How to properly attach fittings to an interior door. Do-it-yourself door installation

The ability to handle carpentry and measuring tools is already a reason to try to solve such a difficult task as installing interior doors with your own hands. The work is simple, but tricky in its own way. It will take scrupulousness and even tediousness in marking and adjusting, otherwise it will be installed correctly interior door It won't work with a box.

Features of installing interior doors

At first glance, nothing complicated, but this is only a superficial impression. It's about about not just installing the frame and door leaf into the interior opening, but doing it beautifully, without distortions, scratches or sagging hinges. If this is your first experience, then it is best to make detailed step-by-step instructions for installing interior doors yourself before starting work. This is not shameful for beginners. Even experienced craftsmen often make notes with their own hands - what not to forget and what to pay attention to when installing a door frame on a specific interior partition.

During the installation process, you will need to solve two of the most difficult problems yourself:

• Correctly assemble and install the frame of interior doors, align and secure it so that the frame does not sag under the weight of the door leaf;
• With your own hands, mark and cut out the mounting grooves on the vertical post of the frame and on the end of the interior door leaf.

U experienced craftsman It takes 2-3 hours to install an interior door; a beginner will need at least a day to completely install the frame and hang the door leaf.

Advice! It is not necessary to stupidly follow the instructions for installing interior doors, which recommend sequentially installing lock fittings, attaching hinges, and only at the very end solving problems with hanging interior doors. The main thing is to install the frame and door leaf with your own hands with a fresh mind, and you can put off the trim, locks and handles with trim for the next day.

There will be a lot of measuring and sawing. All cuts are made by hand hand hacksaw, therefore, in addition to fresh forces, you will need to stock up on quality tools.

Tools for installing interior doors

A day or two before the start of work, you will need to assemble a working arsenal for working with lumber. You can collect it from friends or rent it. Why two days before installation? Because well before starting work, you will need to check with your own hands the serviceability and functionality of each tool:

• Construction levels - small, 70-100 cm, and large, 150 - 200 cm, with a working bubble indicator. Usually they don’t pay attention to the condition of the camera and beacon, considering them to be in good working order, but in rentals you can sometimes find bent and even broken copies; this is the most important tool in installing interior doors;
• Marking tool - carpentry corner with ruler, tape measure and meter metal ruler. We check for the presence of angle marks at 90° and 45°;
• A screwdriver or electric drill with a bit attachment for cross-head screws. We check with our own hands how the cartridge holds, and the serviceability of the wiring - batteries;
• Cutting tool, you can cut the timber of interior doors with a jigsaw, but it is best to stock up on a pair of hacksaws - carpentry and metal. The first is used for cutting box parts, the second is used for fine cutting of platbands.

In addition to the tool, you will need a hammer, a clamp, a carpenter's chisel, foam in a can, tape and gloves. There is little dust and waste generated when installing interior doors, but you will still have to periodically remove it with your own hands so as not to spread it throughout the apartment.

In addition, it would be correct to have a hammer drill with a bayonet blade in stock, because when installing an interior door frame, problems may occur with the doorway in the wall. Ideally, the gap between the frame posts and the ends of the opening should remain 10-20 mm, for normal alignment and foaming of the cracks. In reality, the opening may be uneven, and you will need to knock down part of the concrete or stone with your own hands, a hammer drill or a hammer and chisel.

How to assemble an interior door frame

The best option would be to purchase a ready-made door kit, which usually includes:

In this case, the entire process of installing the interior frame box comes down to transferring the second parts of the hinges onto the frame parts with your own hands, assembling the hinges with self-tapping screws and installing them in the opening.

The entire job will take less than two hours. One of the options for installing interior doors with your own hands in the video

The only drawback of the above scheme is that not all manufacturers modern models interior doors manufacture their products in kits designed for do-it-yourself installation. Most often, the customer buys a door leaf, and the trim and frame parts are purchased with the expectation of installing an interior door with a frame on their own.

How to install an interior door with your own hands

First of all, you need to lay out the door leaf on a level area. Next, the selected pair of beams is laid to the left and right ends of the sash. Using a tape measure, we measure the width and expected height of the future supporting frame. Then, using a building level and a tape measure, check the dimensions of the interior passage.

Important! This is done in order to determine whether the platbands will cover the edges of the hole in the wall, and what thickness of additional elements should be used.

If you “miss” the height or width of the frame, you will have to redo the trim yourself or, even worse, you will need to raise the interior door in height.

Assembling a door frame frame of any size

In order to install the interior door without distortions, it is important to choose the correct distance between the left and right posts so that the door leaf fits into the frame with a small gap, no more than 2 mm on each side. In this case, the door will open freely without jamming in the hatch.

The easiest way to assemble the frame with your own hands is using a clamp, a saw and two blanks. Vertical posts, as in the case of preparation, are placed at the ends, leveled and secured with clamps.

On the side of the upper and lower edges of the canvas, an allowance equal to the thickness of the timber is left on the workpieces. At the same time, on the left allowance, a cut line is applied with your own hands at an angle of 45° for further joining with the horizontal crossbars of the frame. Without disassembling the structure, markings are applied to cut out the grooves for the canopies, lock and handle.

If the interior door is too wide or complex shape, then usually at this stage they check the conformity of the configuration of the frame with the door to the shape of the interior opening. To do this on wooden plank drive a pair of nails at a distance from each other equal to the outer width of the frame. The plank must be secured above the opening, and a couple of plumb lines are hung on the nails. If the gap between the frame and the wall is 10-15 mm, then the calculation is correct.

Installing hinges on an interior door

After all checks have been completed, it is necessary to cut out mounting grooves for the awnings in the canvas using a chisel or carpenter's knife and hammer. The easiest way is to mill a niche using hand router, but, as practice shows, the work can be done with your own hands and without expensive power tools.

If this operation is difficult, then for interior doors you can use overhead hinges or models for drilling. For installation you only need to drill holes for screwing in the fasteners.

We fix the frame in the doorway

• Mark the level of the upper horizontal cross member of the frame with a marker on the steppe, this will help to complete correct installation horizontally and vertically;
• Using wedges and a building level, we level the frame vertically and horizontally with our own hands. We fix the position of the frame in the opening with wooden plugs and wedges.

Advice! If the frame and door leaf are light in weight, then the frame can be fixed with mounting perforated petals to the wall of the interior partition.

Next, you need to blow out the space between the frame and the wall with polyurethane foam; while installation is being carried out on the polyurethane foam, you need to check it again and, if necessary, finally level it vertically using a long building level. Apply a small amount to the top mark building level and, if necessary, we adjust the frame to the required height.

Installation of door leaf

After the loot is firmly fixed with hardened foam, it is necessary to install the mating parts of the canopies. To do this, initially the door leaf is raised with wedges so that there is a gap of 1-2 mm between the threshold and the lower edge.

All that remains is to install the sash on the awnings, and you can move on to decorative finishing interior doors.

Installing trim on an interior door

Covering the frame with platbands is not particularly difficult. First of all, install the vertical trim strips. The height of the plank is measured according to the mark made earlier, after which the platband is applied to the frame and the cut line is marked at an angle of 45 degrees.

Advice! It is best to make an undercut with your own hands using a thin hacksaw blade on metal. First stick tape onto the cutting line. The plank is nailed with wallpaper nails or placed on glue.

The second vertical casing is installed in a similar way. After the installation of the vertical parts has been completed, you can mark the cut line on the horizontal strip and install it on the door frame in the same way.

What are the sizes of extensions for interior doors?

Additional strips are used as an additional element to increase the width or thickness of the door frame. Most often, installing extensions on interior doors is required in a situation where the wall is much thicker than the canvas, and there is a gap between them that needs to be closed.

The width of additional slats ranges from 10 mm to 200 mm, for interior designs the most popular size is 10-20 mm, and often, due to the non-standard profile of the slot, the extensions have to be ordered or cut out with your own hands from the trim strips.

How to install extensions on an interior door

If, after installing the box, the unpleasant fact is discovered that the vertical plane of the frame is recessed into the space of the interior opening relative to the wall surface, then the only way The situation can be corrected by using additional strips.

You must first determine the size of the extension; to do this, place a building level on the wall and use a ruler to measure the distance to the front edge of the box. Thin strips are nailed with wallpaper nails, wide extensions are glued to the frame.

Professional advice on how to install interior doors

Among the features of installing home doors, the following problem areas can be noted.

Before installing the trim, you need to make sure that the frame or additional strip is located in the same plane with the surface interior wall. Otherwise, even if you do it perfectly with your own hands, a gap will definitely appear between the platbands.

The second problem we have to face is sagging doors if installed incorrectly. To correct the position, you need to remove the door leaf, place washers, or trim the edge and install the door in place.

Conclusion

Installing interior doors with your own hands will require a little practice in installing awnings and extensions, but in general the work is not difficult, and with the right skill you can hang the door in a few hours. The craftsmen claim that with each installation, the quality of their DIY work doubles.

Modern methods of finishing rooms are aimed at simplicity and manufacturability, increasing the speed of work and creating an attractive appearance of all elements of the room. Almost no room is complete without doors that perform two main functions: dividing the various areas of the apartment among themselves according to their functional purpose and participating in the creation of the individual interior of each room. But when buying a new beautiful interior door that ideally matches your plans for decorating the apartment, a problem often arises - a discrepancy in thickness door frame the thickness of the opening in the wall.

Most walls are much thicker than the door frame (usually 80mm). Previously, such problems were solved by plastering the remaining (not covered with frame) part of the wall, followed by puttying, painting or wallpapering. This method took a lot of effort, time and money. Using extras is a more rational way to solve the problem. Before we figure out how to attach the extension to the box, let's look at the advantages of this method.

Benefits of use

• Refusal of “wet” finishing processes that adversely affect the wood of doors.
• Simplicity and high speed of installation door block together with extras.
• Long service life without the need for intermediate repairs.
• Creating Integrity door design and giving it a presentable appearance.

It is advisable to choose additions at the same time as purchasing doors. This will give you the opportunity to verify the accuracy of the match color range and surface textures of the door frame and extensions. Only in this case will you get a harmoniously designed doorway with a finished look.

To simplify the installation of the extension to the door frame, it is desirable that the manufacturer provide a special groove of the required width. This will allow you to get a tight connection between the frame and the extension without the use of additional fasteners, wedges and supports.

To calculate the width of the extension, you need to measure the width of the wall and subtract the width of the door frame from it, then add the depth of the groove to the result. The thickness of the wall is not always the same along the entire perimeter, so measurements must be taken at least at 4 points and the thickness of the extension must be selected according to the maximum measurement.

Let's take a closer look at how to attach the extensions to the door to create a holistic, aesthetic design.

Installation procedure

You can fasten the extensions before installing the door frame or, if it is more convenient for you, then after its installation. Most often, extensions are attached on the side opposite to the side of the hinge installation. This allows door leaf calmly open to the maximum angle without resting on the extension. If you do not need to fully open the door, you can deviate from this rule.

Installation "in the groove"

The first step is to measure in several places the distance from the installed door frame to the plane of the wall along the perimeter of fastening the extensions and add the depth of the groove to it. Next, you should mark the required width and saw off the extension. If the width of the wall has differences, then the gaps between the wall and the platbands can be reduced by using materials with a special telescopic fastening system.

Installation should begin with the vertical parts, on which the horizontal upper part fits tightly.

If there are large gaps between the walls and the finishing (more than 3 cm), it is necessary to perform step-by-step foaming. This will avoid deformation of the frame.

Using temporary fixing bars or wooden slats is guaranteed to prevent deformation of the extensions during the foaming process. After the foam has hardened (after 24 hours), it is necessary to cut off the protruding parts, putty the ends together with the wall and cover it with wallpaper. Installation of the platband is carried out after finishing the walls.

Quarter installation

When a “quarter is selected” in the door frame, you can use several methods of attaching the extensions:

First way. To eliminate gaps with front side

, the accessory to the box is wedged from the reverse side.

Second way.

It comes down to forming a kind of groove using one solid strip or several small strips on each post of the box by screwing them.

If the door frame does not have grooves or quarters, then it is necessary to cut the groove with an electric router, and this can be done directly at the installation site.

If you manage to choose accessories that are ideally suited to your door and carefully install them, then as a result you will quickly and easily get a perfectly assembled door that harmoniously fits into the overall interior of the room.

Video This video shows the installation process of the extensions. Replacing an entrance door today represents a whole range of work. And this requires additional elements and paints, today such a design move is no longer used. The installation of additional equipment has come to the fore front door followed by framing with platbands.

Accessories for door frames

New material, which is additional material, appeared not so long ago. But it’s hard to imagine modern life without it. doorway. Therefore, you should get to know him better.

Purpose

Why do you need an extension for the door block? This element is intended to decorate the opening after installation of the box. The fact is that when producing boxed bars, manufacturers adhere to standard size in width. And it is somewhat less deep doorway, where he will have to take his place. And to make the frame frame look more natural, the free space is complemented special panels, which are called additional.

Varieties

Depending on the design project The following types of extensions can be used:

• Wooden;
• Metal.

The most common are products made from MDF, which are most often found both on the shelves of hardware stores and in the apartments of citizens, thus covering the nondescript slope of the doorway. The next most popular products are wood products, and only then metal type doborov.

Polyvinyl chloride panels have become no less popular. These products are easy to use and maintain, which is why they are increasingly used for framing. doorways.

In addition to the material of manufacture, slope framing can be divided into three more categories:

• With missing edge;
• With existing edge;
• Telescopic view.

The edges of the first type of trim are not processed, but represent the simplest evenly cut edges. They are closed with platbands installed on top of the ends of this product. The disadvantage of using extensions that do not have cladding is their potential fragility due to the penetration of water vapor into the product.

The edge extension has the appropriate processing. This type is much better protected from moisture penetration. Some inconvenience associated with trim that has processed edges is the need to select the exact size in width. If this is not done, then the edge will have to be cut, which will automatically deprive it of all its advantages.

Telescopic extensions are distinguished by the presence of a machined groove and ridge on the side parts. If you need to close a wider slope, you just need to take another product and connect it to another. Some differences in width can also be easily eliminated by simply moving two parts apart without losing the attractive appearance. Thus, decorative element frames the doorway, making it complete and beautiful.

How to make extras with your own hands?

If you couldn’t buy a set of extensions along with the door block, then you can always make this element yourself. And in the case of finishing a house with wood, such a solution will be optimal.

To perform the work, you can choose the usual planed boards thickness no more than 20 mm. The width is selected based on the depth of the doorway. To eliminate the option of warping, which constantly haunts natural wood, can be used MDF panel or PVC. Such materials are well suited for finishing the entrance door opening both outside and inside.

Often the panels used have a tongue and groove design. To prevent them from interfering, you should cut off the excess with a jigsaw or hand circular saw. For soft material use a chisel, which can easily remove any comb. The cut side should be processed to give it the appropriate appearance for joining with the platband. The wood is planed with a plane or router, and the PVC panels are simply cut evenly with a stationery knife.

You can put insulation under the homemade addition, for example, mineral wool. This will save apartment owners from extraneous sounds, coming from the landing. This insulation perfectly blocks noise, so its use for finishing a doorway will the right decision. In addition to the absence of extraneous sounds, the use mineral wool will make the front door warmer, because there will be no drafts and cold bridges.

Methods for installing extensions on the front door

Finishing the doorway of the front door can occur in three ways:

1. due to the door frame;
2. installed on the wall of the opening itself;
3. mounted on a special frame.

In most cases, installation of an additional board involves the use of a special groove selected on a box beam. And the main fastening material here is “liquid” nails. Due to the fact that the extension does not bear a load, adhesive fastening will be quite sufficient.

An alternative to “liquid” nails are self-tapping screws. They are twisted into a decorative element on the front side. But if it is not hidden with an appropriate overlay, then the appearance of such a finish will not be entirely attractive. In rare cases, nails with a decorative head are used for fastening. But this option requires an appropriate interior design of the hallway.

Whichever installation method is chosen, the following actions will be performed:

• Two side blanks of the same size are cut;
• Mounted on the side slopes of the opening;
• The top blank is cut out;
• Installed between the side elements.

This algorithm can be performed in the opposite direction, when the trim of the front door opening starts from the top element. In this case, the side panels should take a position between the floor and the top bar. But at any joint, installation is carried out only from the side elements. This is the most correct and convenient option.

In order for the slopes to be as airtight as possible, a silicone sealant. Next, an extension is inserted into it, secured by one of the listed methods. This ensures that there is no air movement through the joints between the workpieces and the door block.

What to do if there is no groove

Finishing slopes with extensions can be done not only if there is a special groove in the box. This causes some inconvenience in terms of creating a clear and even outline of the opening. But even in this case, you can achieve the desired result.

To carry out work on installing extensions on a box without a groove, you must:

• measure the depth of the doorway from the edge to the frame beam;
• cut wooden blanks for the frame;
• install the frame using bars, a building level and self-tapping screws;
• secure the extensions to the frame using mounting adhesive, screws or nails.

According to this plan, you can carry out future work and get a smooth and beautifully designed doorway.

Accessories for metal doors

IN Lately began to gain enormous popularity. These blocks do not have a special groove for installing extensions, although there is a clear need for them due to the minimum width of the iron box. And this is where drywall comes to the rescue.

To install extensions in an opening with a metal entrance door, it is necessary to cut strips whose length is equal to the depth of the slopes. The number of parts depends on the height of the box beam. The installation frequency should not exceed 30 cm, which makes it possible to give the finish proper strength. The planks are glued to the wall with glue. If necessary, an additional one is attached to one part so that the level of the walls exactly matches the contour of the door block.

When the original frame is ready, installation of the extensions begins. Any materials that are available to the apartment owner are suitable for the work. Additional strips are attached using assembly adhesive applied to inner surface each element. Upon completion of the work, it is necessary to install platbands on the new metal entrance door.

Platbands on the front door

If the extensions are a continuation of the box, filling the slope of the opening, then its completion can be called the platband. There is also a large selection here.

Purpose and varieties

The immediate task facing such an element as the platband is to frame the doorway. These interior elements are decorated with them. Modern door frames can be divided into the following categories:

• flat;
• rounded;
• curly.

The first option allows docking in any form. But rounded and figured platbands can only be sawn at an angle of 45 degrees. In this case, it is necessary to have a special device called a miter box.

In addition to the shape, platbands can be divided into:

• Monolithic;
• With built-in cable channel.

The use of monolithic elements can be considered classic version framing doorways. But cable channels began to be placed in platbands in order to “hide” excess wires from prying eyes. These structural elements are made of PVC and consist of two parts. One is attached to a wall or box, and the other serves as a decorative cover that covers the wires laid inside.

Methods for installing trim on the front door.

Platbands according to the method of fastening can be divided into:

• Invoices;
• Telescopic.

The first method involves fastening the elements using nails driven through the body of the platband into a box or wall. Other types of fasteners can also be used, which will be hidden under the decorative element.

Telescopic platbands are installed using a special comb inserted into a groove on the extension or additional strip. In this case, you can use glue to firmly fix the part in its place.

When replacing doors in a private house or apartment, you often have to install the doors yourself. Naturally, they can be replaced with platbands or slopes can be made, but it will not look as impressive as a correctly selected and established extra. Therefore, every novice master should know how to install extensions on interior or entrance doors in order to do it himself, thereby saving time and the family budget.

When purchasing a ready-made door frame, its thickness may not correspond to the thickness of the wall in the room. Then you have to install an additional board. This is a special plank made of solid wood, fiberboard or MDF, which can have a thickness from six millimeters to three centimeters. Its width can be different, depending on the size of the section of the wall that needs to be covered with additional cover.

Types of extras:

1. A simple extension is a regular extension strip, up to 25 centimeters wide. May be different colors, from which you select the one most suitable for the decoration of your door.
2. A telescopic extension is a set of planks that can be inserted into one another due to the presence of grooves and ridges. Thus, by connecting the planks, you can cover any section of the wall.
3. Combined boarding is an additional board 2-5 centimeters wide, connected to a platband. Installed only where it is necessary to veneer small area walls.

Before installing the extension, be sure to take the most accurate measurements possible, since the thickness of the walls may not be the same everywhere.

Correct installation of interior doors with your own hands

When starting to install the extension, you must first install and secure the door block. Most door frames have a ready-made groove for installing additional boards, but some models do not have it. Therefore, the installation technology will be different.

Installing the extension into a box with a groove:

• The groove intended for picking up is completely cleared of residues polyurethane foam or other finishing materials;
• Then the top bar is inserted into the recess for fitting, the necessary marks are made on it and connected to each other by a straight line;
• The board is cut evenly with a jigsaw or sawmill;
• The side extensions are adjusted in the same way;
• Wedges can be placed between the frame and the extension for a more precise fit;
• Next, the extensions are inserted into the grooves and filled with polyurethane foam along the contour.

If there is no recess in the door frame, you can cut it out yourself using a router.

Methods for installing additional strips in a box without grooves:

• Fastening can be done to wooden blocks, screwed to the wall and located at the same distance from each other;
• Installation additional elements made by attaching to a box beam using self-tapping screws;
• WITH outside a strip is driven in around the entire perimeter on which the extensions should be secured.

How to attach a telescopic extension to an interior door

The technology for installing telescopic extensions is practically no different from installing extensions in a box with grooves. Only the extension of the planks takes place in stages, and the installation of each subsequent batch is carried out after the polyurethane foam has completely hardened.

It is strictly not recommended to install a fully assembled shield, since after applying the foam there is a high chance of gaps forming between the planks. Install this way telescopic extension can only professional builders when using special slats.

Advantages of telescopic extension:

• A doorway decorated with additional strips looks impressive in any interior;
• Can even be used on expanding doorways;
• Thanks to the addition, the slopes do not get dirty or destroyed;
• A large selection of shades allows you to choose telescopic slopes to match the color of the doors.

The adjustment of the planks must be done extremely carefully so as not to damage the recesses and ridges of the fasteners.

Quick installation of extensions and trim on interior doors

Extensions with platbands are installed quickly and easily because they do not require major fastenings. They just need to be inserted into the recesses of the box. This perfect solution for narrow doorways.

Work order:

• The upper additional strip is adjusted exactly to size;
• Side trims are cut only at the bottom to the required height;
• All elements are tightly inserted into the grooves.

The side trims cannot be sawed off from the top, because there are grooves there for attaching the top strip.

Careful attention should be paid to adjusting the corners, otherwise the platband may become crooked and spoil the appearance of the door.

Professional installation of extensions on interior doors (video)

In order for a door with an extension installed on it to look aesthetically pleasing, it is necessary not only to correctly calculate all the dimensions, but also to correctly install the extension strips. You should also think about the design in advance: if the store doesn’t have a selection that matches your door, then you can take strips of contrasting color that will look perfect in the interior. By following all the advice of professionals and following detailed instructions, you can easily install additional elements of any complexity. If the walls are not too smooth and have a big difference in thickness, then there is a reason to install plastic slopes with a wood pattern or to match the color of the walls.

Sections of the article:

They call extras vertical racks, as well as one horizontal strip, which serve to “encompass” the door frame, that is, to increase its width. Such planks are made from MDF, fiberboard or solid wood. Installation of doors with extensions must be carried out after the basics and features of this process have been studied.

Additional strips are purchased together with the door block itself, but you can also buy them separately. These products have very simple design, so any master who has at least once dealt with doors will cope with the installation task. You can also make door panels yourself from slabs or other lumber.

Installation methods

An additional expander, which resembles the letter “P”, can be attached:

• To Wall;
• Directly to the opening;
• On the mounting beam.

Important advice: if a factory-made door frame does not cover the entire required width of the opening, then the remaining part can be sealed with plastic, covered with wallpaper or plastered. But it is much easier to make or buy door panels that will look much better and will not require repairs in the future. If the door frame beam is without a quarter, then you can take additional boards of any thickness. If there is a mounting recess, then you will need to purchase extensions 1 cm thick.

To fix the planks, you can simply use liquid nails, because the extensions will not be subject to any strong mechanical loads. The installation of extensions on interior or entrance doors is theoretically the same. Fastening can also be carried out using galvanized self-tapping screws. When attaching the planks from the front side, it is necessary to cover the head of the fastener with a special mastic and close it with plugs, which must be matched to the tone.

Extensions with and without grooves

For a country or private house you can purchase a door:

• With grooved quarter box;
• With box timber without quarter.

The first option is considered the simplest, since for it you can take both wooden and chipboard planks 1 cm thick. The width of the planks is measured with the main frame installed in the doorway. You may not take it into account when measuring the width, but you should still take into account that the addition will only be an addition. Determine the distance to the end of the quarter from the beginning of the opening.
The width of the additional strip will be equal to the width that is not enough to completely cover the opening, as well as the size of the recess. It could be 1cm or other sizes.

It is important to know that installing a door with an extension will be more difficult with a frame that is installed in a doorway with an extension.

For finishing, you can use bars 30-40 cm long, which must be glued around the perimeter of the extension, and fill the remaining space with polyurethane foam. Or you can fasten the beam to the wall using self-tapping screws (5-6 pieces will be enough). They can be used to adjust the location of the frame, after which all that remains is to install the extension in the groove and fill the gap with foam.

Measurements are taken at several points (preferably four). Sometimes the readings differ, and if any deviations are detected, then the maximum size should be taken as the base size. When everything is assembled, the additional line should be flush with the line of the opening itself, and if there are extra millimeters, then they should be removed using a plane. In the future, all this will be closed in cash.

Using small galvanized nails, it is necessary to attach the additional extension of the structure to the base from the reverse side. It is better to take a step from 20 to 35 cm. You can also simply install it in a recess, but before that you need to join the places with glue.

If there is no notch

If the manufacturer has made a box beam without a notch, then you can select the quarter yourself using a router with a straight cutter and a built-in ruler. Or you can attach the extensions to the box beam by drilling holes through. This is done with self-tapping screws. Through holes intended for fastening strips have different diameter along the entire length. First of all, use a drill with the diameter of the screw head, and then with a diameter that is equal to the barrel of this fastener. After watching a video of how doors with extensions should be installed, everything will immediately become clearer to you.

You can install additional elements on bars, which must first be attached to the wall using self-tapping screws. The first element should be located at a distance of 29 cm from the floor, and the rest can be placed at 60 cm.

You can also install the extension together with the box inside a plywood or plasterboard base. The connection of a box beam without a quarter can also be accomplished by installing a batten that will run along the matching line from the outside of the structure.

The fastening of the plank or rail should not be continuous; it is necessary to fasten it in separate sections.

Important: the timber and additional strips should also be nailed to the batten, and its central axis should exactly coincide with the connecting line. Any of the above options is easy to implement, so the owner himself decides which method to choose.

Basic algorithm for installing accessories

In order to understand how to make additions to an interior or entrance door, you need to know the sequence of the process. The top strip, which is combined with the lintel, must be placed on two vertical slats.

In order to correctly calculate the length of the top strip, it is necessary to add to the length of the lintel itself a couple more thicknesses of the extensions, which will act as racks.

If you place it between them, then the lintel will have a length that will be equal to the width of the box. In this case, the thickness of the top strip should be added to the height of the vertical elements (left and right strips).

Installation sequence

Depending on the chosen installation method, we take measurements according to the diagram with high accuracy. Vertical extensions (left and right) must be measured separately. It is best to measure the inner line of the vertical bar along the box itself, and external line It is advisable to measure it actually in the opening itself.

According to the chosen work plan, we cut the board that was chosen to create the extension. All additional parts must be attached to the door frame. If the frame is not installed in the doorway, and the additions are already screwed or nailed, then we install everything together. You can align the structure in the opening using mounting wedges. We place them between the extended door base and the wall. By changing the position of the wedges, you can align the structure in the opening. You can see how to install extensions on the door in a detailed video.

Between the beams themselves and the box beams it is necessary to install spacer wedges. This is done before the process of blowing polyurethane foam into the gap. It is necessary to fill the gap with foam in portions; the entire space must be filled at least twice. It may be necessary to make adjustments as the foam cures. The completion of the work involves sealing the gap that remains between the floor and the wooden parts.

Expanding the box with additions using drywall

Using a milling machine, you need to create a 1 cm groove in the box. We make this groove along the entire perimeter of the box. We glue the false slopes and strengthen them with self-tapping screws. You can take as a basis not only plasterboard, but also magnesite board, moisture-resistant plywood, OSB or even gypsum fiber board.

The base must be secured to the box with self-tapping screws in two rows. The fastening pitch should be at least 25 cm, but not more than 30 cm. To know how to correctly and quickly install extensions for entrance or interior doors, you need to take the advice of professionals.

When calculating the size of the top panel, it is necessary to take into account the fact that it will overlap the vertical elements. After the box with the plasterboard base and extensions has been assembled, it must be installed in the opening using spacer wedges and self-tapping screws.

Using spacer wedges we adjust the verticality and horizontality of the structure, and also provide the necessary gap for further filling with foam.

Mounting wedges must be positioned around the entire perimeter of the block. The technological gap formed between the wall and the frame is filled with polyurethane foam in 2 or even 3 times. After the foam has hardened, the excess part should be cut off. At the end of the work, the gap is closed with platbands.

How to make a supplement yourself?

To make a door frame with your own hands, you need to select a perfectly even strip, equal in width to the door frame and matching it in color and material. Thanks to the additions, you can aesthetically frame the doorway of both the entrance and interior doors. You can cut out the additional board yourself required sizes. But it’s still easier to buy ready-made accessories in advance along with the door.

Almost all models of interior doors are sold together with extensions that match them in color, material and size. Installing a door complete with all accessories at once is much more convenient and simpler.

What is useful to know about extras

The standard depth of the door frame is 7-8 cm, but it happens that the wall has a larger width, in which case you can get beautiful view a doorway will not be possible without the use of extensions. Extensions can have a thickness from 5 to 40 mm. These products can be finished with either veneer or laminated film. The texture and color of the additions must fully match appearance door block. You can learn more about how to install a door with an extension using video or photo instructions.

The standard height of an interior door is 2015 mm, but the width can be from 50 to 140 mm. If the wall has a thickness that is very different from the thickness of the door block, you may need to use several extensions at once. Therefore, when choosing door accessories, be sure to take into account the specifics of the door frame and its design features.

According to the standard technology for installing additional strips on inside There is a special recess in the box. It's called a quarter. This notch may not exist. In this case, it is recommended to use backing boards of any thickness. But we must not forget about additional fixation of products.

The cost of add-ons depends on their size and material of manufacture and can range from several hundred rubles to several thousand. Goods made from valuable wood species will cost more than others. Products made from MDF with a white gloss finish are considered one of the most expensive.