Advantages of a telescopic interior door frame, design

More and more manufacturers of interior doors are producing telescopic frames or, as they are also called, Euroblocks, trying to facilitate the installation process in the future. It is also worth noting that such a block looks more civilized compared to a regular one due to the almost complete absence of joints. What is a telescopic interior door frame and how to use it correctly - read on.

What does a telescopic box consist of?

The telescopic door frame consists of slats (two vertical and one or two horizontal) with grooves. The sizes of such elements may vary. The set includes extensions and telescopic trims. The assembly is carried out according to the type of constructor. Each model is supplied with instructions by the manufacturer.

Materials and accessories

Standard materials are used to produce the telescope door frame. These include:

• chipboard;
• MDF;
• solid wood.

Products made from natural wood can have laminated, aluminum or plastic coating, as well as eco-veneer finishing.

The material of the platbands is selected based on the door leaf. If there is a laminated door, the compensation structure is made from a similar material. You can purchase a Euroblock that matches a specific interior style.

If the platbands are purchased later than the doorway, it is worth finding the optimal color option. If desired, you can choose a contrasting color scheme.

The box comes with a set of accessories, which consists of a door closer with a mounting plate, a lock and hinges made of high-quality alloy.

Telescopic door frame: pros and cons

Before you order and assemble a telescopic door frame, you need to understand the pros and cons of using this type of frame. This will help you decide whether to choose such a product.

The telescopic box has the following advantages:

• Simple and quick dismantling. What is important for those who often carry out repairs and re-glue wallpaper.
• Possibility of repeated removal and installation.
• Easy installation. The design consists of protrusions and recesses. You can assemble and install the door frame with your own hands. This allows you to save on the services of a specialist.
• Aesthetic appearance. A door frame without nails looks neater.
• The ability to bridge gaps of any size between the wall of the doorway and the door.
• Saving money. The entire doorway is well hidden by the Euroblock. Therefore, you don’t have to spend money on finishing it.
• Long service life.
• Versatility. The telescopic door frame is suitable for different types of interior doors (hinged, accordion, sliding, compartment, etc.).

Among the disadvantages of the telescopic box, one can highlight only the price. The cost of such structures is higher than conventional analogues.

Box assembly

If you purchased a unit with a universal box, before installation it must be adjusted to the size of the canvas and assembled. The box is laid out on the floor. The canvas is placed between the side slats on the porch. The top bar is put in place. Along the perimeter of the canvas, gaps of 2.5 mm to the side planks and 5 mm to the top are installed. On the upper vestibule, marks are made in alignment with the side ones.

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Installation of telescopic trims

Features of installing telescopic

platbands when
installing interior doors
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Installation of an extension on the front door.

From the lower end of the canvas, 10-15 mm is deposited on the side strips. For kitchen doors and doors of rooms with boilers and gas water heaters, this size is increased to 40-50 mm for normal air flow through the gap between the panel and the floor. The locations of the loops are marked 20 cm from the ends of the fabric.

According to the marks made, all 3 strips are shortened. To make a perpendicular cut, it is better to use a miter box. Otherwise, you need to mark the stripes along the square and try to hold the hacksaw vertically. The upper vestibule is cut with a hacksaw along the marks and trimmed with a chisel in the areas where the top and side planks meet.

For standard canopies, use a chisel to remove excess material on the canvas and one of the side strips. After this, they are fixed with screws into the prepared seats. When using butterfly canopies, there is no need to select a material. They are simply screwed on. To prevent cracking of the material, holes for screws are drilled in advance.

It is better to drill holes and screw the side planks to the top one with the sheet in place and the gaps set. To connect the parts, a pair of wood screws 75 mm long are screwed into the ends of the side parts through the top. It is necessary to make cuts in the upper lintel to align the extensions. It is better to cut the extensions according to the length of the parts of the box before installing it; the width is determined later.

Selection of telescopic door frame by dimensions

For successful installation of interior doors, it is important to determine the size of the Euroblock. It is necessary to correctly calculate the width, thickness and height of this structure. These parameters depend on the size of the doorway. There should be a gap of 3-3.5 cm between the wall of the opening and the door frame. The planks should completely cover the thickness of the wall.

What is it for?

In houses with thick interior walls, it is quite problematic to aesthetically design the doorway, since additional finishing of the slopes is required. Most often, such passages are decorated with platbands on one side, and painted, covered with wallpaper or covered with plastic or MDF panels on the other.

If the width of the slope is small, then you can install an additional strip and attach the second set of platbands to it. But here comes the difficulty. The additional board is available in standard sizes (from 100 to 250 mm) and does not always correspond to the thickness of the wall.

In this case, you will have to cut along the extension, which requires precision, the presence of special equipment (a jigsaw) and the skills to use it. In the absence of the latter, there is a possibility of damaging the board, which entails the purchase of a new one (accordingly, additional costs) or the loss of the decorative properties of the door block.

This process can be facilitated by installing a telescopic box with the function of adjusting the expansion strip (extension), which allows you to decorate the opening on both sides with platbands.

How to assemble a telescopic door frame

When installing a door, inexperienced home craftsmen may have a question about how to assemble a telescopic door frame with their own hands. The work is not difficult. The main thing is to adhere to the algorithm of actions and some tips.

Here's how to assemble a telescopic box:

• Trim the frame elements to fit the doorway.
• Attach the top bar to the ends of the vertical elements and make cuts.
• Fix the posts and the narthex.
• Insert the assembled frame into the door passage. Secure with wedges and level.
• Secure the box with anchors.
• Install telescopic trims.

How to install a telescopic door frame can be found in the instructions. It is supplied by the manufacturer with the model kit. It describes in detail the entire installation process.

Correct installation

The entire installation process is simple and quick. The presence of a special tool will allow you to set the required box size even for those who do not have experience in construction work. It is important to understand the design features and follow a clear sequence when assembling it. It is necessary to select the size and shape of the frame in advance.

Initial parts for installation:

1. box with grooves;
2. additional strip with grooves;
3. door leaf;
4. corner trims;
5. accessories.

List of special material and tools:

• perforator;
• drill-driver;
• hammer;
• roulette;
• pencil;
• level (preferably laser);
• liquid Nails;
• polyurethane foam.

The assembly process will depend on the type of trim used and the width of the box. For example, for openings of non-standard width, platbands are used that contain an additional strip - it can be hidden.

1. The additional strip is adjusted (trimmed). The extensions are attached to the selected quarter on the back of the box.
2. Then the plank is fixed using wedges (pieces of slats). It is important to ensure that the wedges that are installed do not extend beyond the plane of the walls.
3. The gaps between the frame and the wall are securely closed and filled with polyurethane foam.
4. The telescopic trims are attached, after which they are trimmed - it is better to use a hacksaw. To avoid the formation of gaps between parts, the trimming process must be performed with extreme care.

The process of installing platbands is that they are pushed into the corresponding grooves. They need to be strengthened as accurately as possible. They are fixed firmly, but in some cases craftsmen additionally use liquid nails. It should be noted that such an addition makes the structure one-piece. The result of the work is that each side of the box should be one plane with good platbands and extensions.

Installation of interior doors with telescopic frame

You can install a door block with a telescopic frame in a room yourself. The gaps between the frame inserted into the passage and the wall are filled with foam. Wait a day or more for the sealant to harden. After this, the excess parts of the polyurethane foam are cut off with a knife. The hinges are attached to the box. The door leaf is hung on them. Next, the fittings (handles, locks) are put in place. The work of the canvas is checked.

Installation

The main component of the box and the additional strip are assembled separately; they are connected at the moment when the canvas is installed. The frame is placed first in the opening and fixed in the same way as a conventional block for interior doors is installed. After the canvas with hinges and fittings has been hung on the frame, its operation and the presence of the necessary gaps have been checked, you can begin the final installation of doors with a telescopic frame and blowing in the foam. As soon as the foam has dried and its excess has been cut off, it’s time to install the additional strip and adjust its width.

But it is worth noting that in blocks with an extension and a platband, made of a single design, it will not be possible to blow out the foam after installation. Therefore, first the eurobox is installed, the canvas is hung, the foam is blown in, and only then the adjustable trim is installed.

Subtleties of choice

It is advisable to buy such fittings immediately, together with the door frame, because after installing the door frame it will be difficult to guess the shade of the frame.

Selection of planks by size

The telescopic extension for the interior door and a similar design for the front door differ only in thickness and material of manufacture. We’ll talk about the material a little later, but now we’ll look at the different sizes of telescopic extensions.

Since the structure is equipped with an end groove, its thickness cannot be less than 10 mm. Although in fairness it should be noted that there are planks in which the main body of the extension has a thickness of about 7 mm, but in such planks there are overlays along the edges that form a groove.

The thickness of the extensions on interior doors ranges from 10 to 14 mm. They can also be used for entrance doors, but still, if conditions permit, then for entrance doorways it is better to take planks thicker than 15 - 25 mm.

In the windows of hardware stores you can now find telescopic additional strips with a width of 90 mm to 400 mm. But the most popular sizes are 90 mm, 130 mm and 170 mm.

If you need a non-standard, very wide additional strip, you can order it from any workshop specializing in the manufacture of doors or furniture assembly. But you can go the other way and assemble such an array from several planks.

If the smooth joining of straight strips is quite problematic, then telescopic structures are easily joined using thin connecting strips; in the diagram below this structural element is indicated as a “fixing element”.

Finishing nails

Wooden and MDF trims are easier and better to fasten with nails with flat heads. Then, if necessary, they can be easily dismantled. And so that the platbands do not dismantle by themselves and hold tightly, the nail should be driven into the door frame at least 20 - 25 mm. It is better to make the distance between the nails the same. To simplify the task, you can pre-drill through holes in the lantern. At the end, so that the nails do not disturb the appearance, they can be painted over with a wax pencil.

You can also drive nails into the door frame first. Then use pliers to remove their caps. The length of the visible part of the nail without the head should not be greater than the thickness of the strip. Next, having placed the platband against the nails, a wooden beam wrapped in fabric is applied to the plank at the location of these nails, and with a few light blows of a hammer the plank is pressed onto the nail.

What it is

The term "telescopic" is usually applied to objects consisting of several parts that extend from each other. A door frame of this type, in accordance with the definition, is assembled from several slats, only they do not slide out from each other, but snap into place using a system of grooves, forming a single whole. Thanks to this connection, the parts of the block are easily adjusted, and the end result gives a perfect rectangular shape. Today, two types of telescopic block are produced:

• The design of the box and platband as a single whole;
• Two separate components - a box and a platband, connected by grooves.

What kind of extras are there?

First, let's look at what an extension is and how a telescopic extension differs from a regular extension.

An extension is a plank that is installed on the end of the doorway and is located between the door frame (lutka) and the outer door casing framing the doorway.

Accessories are not installed on all doors. If the wall thickness does not exceed 140 mm, then in principle you do not need any additions. Such fittings are installed only if the doorway is on a thick wall or partition and the thickness of the frame is not enough to completely cover the end of the wall.

Professionals distinguish 3 types of extras:

1. Telescopic structures;
2. Straight planks with edge;
3. Straight planks without edge.

As shown in the diagram above, the options with and without an edge differ only in the presence of this very edge. The edge does not serve any practical function, only decoration. The price of planks without edges is a little lower, but believe me, such savings are not the best solution.

If the platband moves a little, then the owners will have to either seal the end of the plank with something, or select paint to match the platband. Both options will be noticeable in any case and they do not look very nice, to put it mildly.

Telescopic extensions for interior doors differ from ordinary straight ones by the presence of a groove at the end, which faces the platband. On the opposite side, such structures may have a tenon, a straight cut, or the same groove.

There is a small nuance here; for normal installation of the telescopic extension, a special groove must be cut on the door frame. In turn, the platbands also need to be taken not simple, but L-shaped. Moreover, the groove on the box is cut in the factory using a special tool. At home, with your own hands, and even a not very experienced master can not do this kind of work.

By the way, if you decide to install regular straight extension strips on your opening, step-by-step installation instructions and practical advice on choosing this product can be found “here”.

Frame dimensions and shape

To determine the geometric parameters of the door frame, two important points should be taken into account:

1. Dimensions of the door leaf for which this frame is made.
2. The purpose of the door block, that is, in which room the structure is planned to be installed.

For example, if interior doors with a frame are installed in a steam room, special requirements are imposed on such structures. These doors should not let out warm air and allow cold air into the room.

In the case when you need to create a reliable barrier that prevents the leakage of warm air, to make a door frame you will need four bars, which can be assembled using a hidden method. After connecting the beams, a closed rectangular frame is formed: the frame in this case will be represented by an upper cross member and a threshold connected to each other by vertical elements. A three-millimeter gap must be provided between the sash and the frame: failure to comply with this requirement will lead to problems associated with the movement of the canvas.

Manufacturers

Below is a list of the most popular manufacturers of telescopic doors that can be purchased in the Russian Federation:

Different manufacturers package their models differently. You need to check in advance what comes with them in the package (platbands, accessories, fittings).

Experts predict that telescopic doors will soon gain popularity in construction. But it is worth remembering that such a mechanism needs to be looked after so that it lasts as long as possible.

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