Door fitting installation. Types of extensions and their features

06.04.2014 07:00

When buying interior doors, we come across phrases: "if you need to install extras, then..." , Will you need extras?"... and so on. So what is dobor or dobor? I'll try to explain in detail:

What are the extras?

The dobor is a "board" a little more than 2 meters long (207-215 cm), usually 10 mm thick, which is finished on one side in the same color as our door. But the dimensions in width, depending on the model of the door, come in different standards, the most common sizes for the width of the extensions are: 10 cm, 12 cm and 15 cm, less often - 20 cm, there are extensions even 40 cm wide. If you need even wider extensions, then this is already on order. I don't see the point in making them even wider than 20cm, since you can always make a compound extension (combine them), which is much easier than installing an extension 40cm wide.

So why do you need extras?

In order to gain (increase) the width of the door frame, the width of which is less than the thickness of the wall of the doorway. For example, the thickness of the wall in the opening where we want to install the door is 17 cm, and the width of the door frame is 7 cm, it follows that we need to add 17-7 = 10 cm with an extension. We also take into account the fact that the extension board is usually inserted 1 cm inside (in the groove on the back of the box). So we need extensions 11 cm wide. We look at the existing standards and, if there are 12 cm, then we take 2.5 sticks (additional boards) for this opening. The door installer will cut off the extra centimeter. If there is no 12, but there is 15 cm, then we take them.

Another example: The wall thickness of the doorway is 8 cm at the bottom and 7-7.5 cm at the top. What should I do? It turns out that we need an addition (according to the maximum width we consider) 8 -7 +1 = 2 cm? Are there such benefits? You are unlikely to find such a wide extension, the answer is simple - for 1 opening we will need 1.5 extension boards 10 cm wide (that is, the installer will dissolve 1 extension into two, and insert the cut side of the extension into the groove of the box). The given examples of calculating extras are suitable for standard type extensions, whose platbands are not telescopic. If you have telescopic architraves (look from the end G- figurative), that is, the platbands are inserted with their protruding spike into the groove of the box and thereby allow to push somewhere a little more, and somewhere less in the range 0-1.5cm. So, using telescopic casing, we will do without extensions for openings with a wall thickness of up to 9 cm for the majority of door types, as well as for doors Dors Profile , despite the fact that there is a spike on the trim for these doors 2 cm That is, if your wall thickness varies from 8.5 to 10 cm, then here you will need an add-on! An experienced craftsman will cut the groove shelf on the door frame in a circle and fix the sawn extension on self-tapping screws or studs. This is a difficult moment in the work, and not a single door manufacturer will show you this method of fastening the extension. Use!))

Generally about telescopic architraves I want to say a lot more. Indeed, a monument to that inventor should be erected. After all, the advantage of telescopes is not only that we save on extensions, judging by the examples above, but we also win very much in the aesthetic design of the door, with uneven walls of the opening! In order for your door to close tightly (correctly), the left and right walls of the doorway must be in the same plane, and not a propeller! In reality, this rarely happens, especially if the repair of the walls was not according to the lighthouses. So this is where telescopic architraves really help us! That is, we can drown the door frame a little (up to 1cm) inside the opening, and where necessary - push it flush with the wall, thereby still adjusting the door plumb. So, apart from the pluses, I don’t find any minuses in using telescopic architraves.

In our store, interior doors with telescopic architraves You can choose from the following categories:

How much does it cost to install extensions?

The installation of extensions comes as an additional service - a subtle and significant "nuance", which, as a rule, the client learns about during the installation process, which is later disappointed, since the final amount of door installation is already different from the original one! That's why you shouldn't be fooled by the low price of installing a door. The cost of installing extensions on an interior door, as a rule, will depend on the width of the extension. Some firms increase the cost of installing extensions for every 5 cm width!

Why are we better?

• When ordering doors and their installation from us, we will take into account all your wishes and, after measuring, we will calculate the number of extensions so that after installation there is no excess left, which means you do not have to overpay
• Installation of a door with or without extension costs the same for us.
• The price for installation is negotiated during the measurement and subsequently does not change, even if we did not take into account something.
• Our reputation is important to us, so guarantee for installation interior doors we give 3 years!

And here is how the extensions look on the example of our work:

The table will help you choose the right number of extensions for the thickness of the walls of the doorways .

If you have any questions -

Mostly all doors that are manufactured in specialized factories are designed for a certain wall thickness. It is in many cases of the order of 70 or 80 mm. But what about the owners of country or ordinary private houses? Their walls are often much thicker than apartment options.

In this case, you can finish the opening with sheets of drywall or do it even easier - apply the installation of an extension to interior doors. The method is simple and requires much less time and effort to implement. Some homeowners plaster openings in places where there is no box. But, nevertheless, the method of installing extensions is less time-consuming and more effective. Therefore, you need to carefully figure out how to fix the extension correctly.

Dobors are two racks located in a vertical position, and one horizontal bar. It is located at the top of the opening. Thus, the finished design increases the box itself. Among the commonly used materials for the manufacture of structures, the most popular are fiberboard, solid wood and MDF. They are durable and affordable in their price range.

Measurement and preparatory work

The installation of extensions is necessary first of all in order to securely fix the platbands. It is possible to make the correct fixation of the platbands if the products are placed end-to-end to the plane of the wall. It is best to take measurements with the box assembled and installed. After that, the installation of extensions is already carried out.

Initially, you should put ruler on the platform of the box and keep it strictly perpendicular to the wall. It is necessary to determine the dimensions of the upper and lower parts of the product. At the same time, the width of one extension in different parts may differ, since the walls are almost always imperfect. All data should be entered on paper so as not to confuse the parameters of the product.

Many experienced professionals use a more accurate method. Measurement of all additions is made by means of square and flat rail. The first fixture is installed in the seat, and the second is applied to the plane of the wall. Where the square intersects with the rail and there will be a width indicator. The size of each slope must be carefully checked, since an error can be made at any stage.

After the manipulations, proceed to cut the board. This is easy to do with a hand saw. A jigsaw and a stationary machine are also well suited, provided they are available.

Installation

Installing dobors on the interior door with your own hands is quite simple. To do this, you need to decide, first of all, with the type of box. They are:

• with groove;
• without groove.

The first option is the easiest. It has everything to safely carry out the installation of extensions. The versatility of the presence of the groove is that it allows you to adjust the position of the extension. And also this device saves a lot of time. By adjusting the bar, it can be immediately fixed to the wall.

Self-tapping installation

The first thing to do is to drill a hole under the screw. As a rule, MDF boards, from which blanks are most often made, are approximately 10 mm in thickness. This means that the drill must have a maximum diameter of 9 mm. In order to more accurately and reliably mount extensions on the interior door, the diameters of the drill and the heads of the screws must match.

Directly, the screws are chosen so long that they literally go a little into the canvas of the box. If the products are too long, the wood will crack. A prerequisite is the use of wood drills. They are characterized by the presence of special protrusions in the form of needles. Such products are capable of accurately centering holes.

When the tool is selected, we drill a hole for the self-tapping screw. In this case, you need to choose not a perpendicular direction, but set the drill at an angle. This method will allow you to fix an additional element to the central part of the door frame.

The vertical racks are screwed first with self-tapping screws. After fixing them, proceed to the installation of a horizontal bar.

Installation on carnations

Another very effective way to install a door extension is the method of using carnations.

For installation, you will need to drill small holes into which finishing nails will then be hammered.

Critically important - the drilled holes must be less than the length of the nails!

After that, it is necessary to insert the carnations with the sharp side outward, and remove the hats with wire cutters. A mounting bar is often used for driving nails.

When all the fasteners are in place, you can put extensions and gently nail the product, connecting it to the box.

Foam installation

Installing door extensions according to this principle is several times faster than other methods. Products are put in place. After that, they need to be wedged from the inside. Surfaces should be pressed against the door frame. It is possible to fix the opening only after thorough cleaning and mandatory wetting of the surface.

Installation of telescopic extensions

This type of product has its own unique advantages.

• It can be tightly fixed in the overall structure.
• The surfaces are securely attached to each other.
• Connecting the components together is quite simple.
• Dobory with this configuration can be shifted either up or down.
• It is possible to move them inside and outside the product.
• The power reserve of the parts is small, but these millimeters allow you to adjust the position of the extensions as accurately as possible and correct the mistakes that were made during the marking.
• Special "adjustment" grooves make the design convenient and easy to install.

Along with the box

The method is to assemble the entire structure before attaching it to the wall. Both the box and the dobors are assembled into one. Additional elements that expand the opening are attached to the door frame. After that, the finished product is fixed.

The following tips will be helpful:

• Carnations are used solely to press additional panels to the door frame. They do not keep from shifting.
• In the process of drilling holes, a crack can be made on the front side of the product and between the slopes. Therefore, all work must be done carefully.

Installing doors, especially interior doors, is not an extremely difficult task, but it involves a number of specific actions, thanks to which the door will function perfectly and look aesthetically pleasing. It often happens that when installing an interior door, ordinary or for a pencil case, an additional board is used. What it is and what it is intended for, we will consider in this article.

What it is?

The process of installing an interior door includes several stages:

• collecting a box or frame in which the door will function;
• setting and securing the box in the doorway;
• preparation of the door leaf, installation of fittings;
• installation of the canvas in the box, fitting and adjustment;
• finishing with platbands of the doorway.

Dobornik for interior doors - this is a decorative element that expands the box if it does not match the width of the opening. It seems to continue the door frame, creating a single and integral structure. Essentially, it is a 90-degree slope made of rectangular slats and a casing made of solid materials.

What do they look like?

The slats have a wide range of color options. In the vast majority of cases, they are made from the same material as the door frame with the door. Therefore, it is more profitable to purchase doborniki together with a door and a frame from one manufacturer or company. When assembled, the dobors have a U-shape.

Cloths of extensions made of wood-based materials can be with a protective edge, or their ends remain untreated. Also, a groove can be made on the edge on one side, and a spike on the other. Such extensions are a type of lining. Telescopic boxes are completed with such extensions.

Why are they needed?

Add-ons for interior doors hide all the defects of the opening, protect against mechanical influences, serve as an additional reinforcement of the frame, as well as an important decoration of the door.

The standard dimensions of the width of the door frame are 80 cm and 100 cm. If the width of the doorway is greater than these dimensions, then during installation there is free space that needs to be ennobled. You can, of course, order a box of any width that matches the dimensions of the doorway, but custom work increases the cost of the purchased product by several times compared to a standard order. And even more so when the door is made of a rare breed of wood.

It is precisely for this to close this free space and save on material, and you need such an element as extensions. They serve to create your own design, give you the opportunity to realize your imagination by choosing material, color, style and shape.

The aesthetics of the entire interior depends on a carefully made door slope.

What are the types?

Types of extensions differ in the way they are installed:

• attached;
• lining;
• combined;
• telescopic.

You can attach them to the door frame both before installation and after, when the jamb is securely installed. For fastening before installation, either small self-tapping screws or glue are used.

You can fasten the box with the dobor using thin metal plates. For example, pieces of "crocodiles" (fasteners for attaching guides) used to mount the frame under drywall.

Ways to collect extras on the box before its installation:

• To begin with, we assemble the box, sawing the guides at 90 or 45 degrees, 6 mm more than the width of the door leaf, for a working gap of 3 mm along the perimeter of the leaf. If there is no quarter-shaped groove on the guides on the back, it must first be made on a circular machine or with a cutter. Using a chisel for this job is time-consuming and requires professionalism to achieve the desired quality. The width of the quarter is chosen corresponding to the width of the extension, and the depth is about a centimeter.
• We cut off the selected extension to the width necessary to block the opening together with the box. Cut along the length of the vertical and horizontal strips so that the horizontal piece overlaps the vertical ones.
• We make formwork along the perimeter from the wrong side of the box from an even material, for example, from drywall. Why do we fasten its strips about the size of the width of the prepared extension with self-tapping screws to the box.
• Align the vertical parts of the door frame with respect to the floor at an angle of 90 degrees.
• We apply glue (any for wood or liquid nails) into the groove, insert the extension, adjust it so that there are no gaps. From above, for the fortress, you can tighten the parts of the extension with self-tapping screws, be sure to drill holes with a thin drill for the entire length of the self-tapping screw so that the canvas does not swell or crack. Then we leave to dry. As soon as it dries, the formwork is removed and the jamb is mounted.

Can be done without glue. Planks are prepared in the same way. On the back side of the box, where the quarter is located, plates are screwed, extensions are inserted and fastened with short self-tapping screws.

If there is no groove, you can cut panels from the selected material with a width corresponding to the width of the opening to be covered. Assemble a box from the extensions, and insert the door jamb inside. This can only be done if the extension is thin, or if the distance for mounting the whole assembly allows, and the trim is wide enough to cover the mounting seam.

Methods for installing extensions on a mounted box are used when there is an already installed jamb with a door, and the box has a quarter for extension.

Method one:

• This area is freed from foam and thoroughly cleaned.
• Using a tape measure and a corner, measure the distance from the recess in a quarter to the end of the opening, in several places around the entire perimeter.
• Cut to length and width of workpiece. They are inserted into the groove, and in this place the extensions are supported in several places to the box, for example, with a bicycle thermometer or pieces of hardened foam, polystyrene. After that, they are wedged so that there are no gaps and the extensions stand at 90 degrees relative to the plane of the door.
• Construction foam is applied only to the part that is at the point of contact. After the foam hardens, you can process the entire slope with it. It is better to use foam with a small coefficient of expansion for mounting. If there is no groove, then the dobor cloth is slipped under the box, wedged and foamed.

The second method, which is used if it is not possible to put the extension on the foam, and the thickness of the extension allows you to drill through it:

• We make several holes in the dobor bar. Three holes are enough in the horizontal bar, and four holes in the vertical bar. In the place of the holes, with a drill of a larger diameter, we make indentations to drown the heads of the self-tapping screws.
• Using a tape measure and a corner, we measure the distance from the box to the edge of the opening. According to the largest size, cut off the width of the extension. A prerequisite: the dimensions at the junction of one plank with another, that is, in the corners, must be the same.
• We cut out small even rectangular bars from the material at hand and slip them under the box in the places of fasteners. We drive self-tapping screws into the planks, apply them to the box, press them against the bars and pull them with a screwdriver, making sure that there are no gaps at the joints. This can be done if the width of the extension is not more than 20 cm. In the same way, you can assemble the box before installing it.

Method three:

• A thin rail, like a glazing bead, is nailed onto the box, no larger than 10/10 mm in size around the entire perimeter. If there is no rail, then at a distance of about 5 mm from the inner edge of the box, self-tapping screws are screwed around the perimeter or nails are driven in. The hats are cut off with a grinder, leaving the pins about a centimeter.
• The extensions are prepared in the above way, wedged and more spacers are added between the side extensions in the place where the nails were nailed and from the floor to the horizontal extension. It is better to fix the extensions with masking tape from one wall to another through the opening. And in the same way they foam.

The fourth method is the crate of an open opening:

• For this, blocks are prepared no thicker than the gap between the opening and the box, or a little thicker, but in this case, a line is drawn around the entire perimeter of the box at the same distance for a guide. Any length, as long as it does not crack during installation. Width from the box to the edge of the opening.
• They are mounted on dowels to concrete and brick, using a building level and a corner. Dobors are prepared in the same way. Attach to the bars on liquid nails. After drying, you can foam for soundproofing.

Method five:

• It is possible to fasten the extensions directly to the opening with liquid nails, if they cover the mounting seam with their thickness. To do this, glue is applied pointwise to the opening. They take a bar a meter and a half, apply it to the slope and use a mallet to level the plane. Secure with masking tape until dry.
• Clamps can be used to secure the extensions to the box. To do this, prepare extensions in length and width, assemble a box from them, apply liquid nails to the end, apply to the jamb and tighten with clamps until dry.

Telescopic

This type of extensions is assembled as a constructor. It is advisable to use a cutting milling machine in your work. Without it, it is quite difficult to make cuts at 45 degrees using a simple miter box for this. Therefore, when assembling the box at 90 degrees, it is necessary to ensure that the groove for the addition at the junction is solid. Dobors are inserted into it, having a spike on one side, and on the other, a groove into which the casing is inserted.

The depth of the groove is 15 mm, which makes it possible to "walk" in size in width when purchasing or adjusting the additional and cashing. The steps for measuring, cutting and fastening are the same as for straight planks.

Their convenience lies in the fact that they are easily assembled together, and make it possible to cover any distance.

Combined

Combined types of doborniks are corner strips made of fiberboard, MDF, PVC - they are both an addition and a cashing out. Use this type of additional slats with insufficient overlap distance. Attached mainly to liquid nails.

Dimensions

Standard sizes of extensions on the market:

• thickness 6-30 mm;
• width 50 -250 mm;
• length 2100 mm.

Width of telescopic panels 90, 120, 150 mm. A quarter on a box for addition is most often 10/10 mm, so the thickness of the bar is 1 cm.

The required plank width is the width of the opening minus the width of the door frame, plus a quarter, if any. Additional boards can be prepared by hand. Such an item of non-standard sizes can be made to order.

The catalog page of the OBI hypermarket contains accessories for interior doors. Here you can buy individual trims and other accessories worth from 50 to 4500 rubles. There are about 300 items in this category in stock.

When buying components from this section, you must accurately select:

• . Product color and texture.
• . Height, width and thickness dimensions.
• . Front surface finish.

Door frames are designed for installation along the perimeter in an opening of standard sizes. They are a product prepared for installation, sold complete with fittings and fasteners.

Platbands are used for decorative framing of the opening. Behind them hide the space (slits) between the canvas and the wall. Dobors are installed to expand the door structure and the original decoration of the walls. Manufacturers make these decorative elements in the same colors as the canvases of all the main series.

Order in the OBI store accessories for installing interior doors with manufacturer's warranties.

Payment and delivery methods

1. Purchase goods online with delivery

• . You can pay for the order in cash or by bank transfer.
• . You will coordinate the date and time of delivery with the operator by phone when confirming the order.
• . The terms of the free service depend on the city, amount and weight of the product.
• . Unloading goods, lifting and transferring are additional services and may be paid separately, check with the store operator.

Detailed information about the intervals and zones by city, the conditions for unloading and lifting the order are located, where you can independently calculate the cost of your delivery in advance, indicating the postal address and parameters for unloading.

1. Order and collect yourself where it is convenient for you

• . When filling out the order form, indicate a convenient date and time for you to visit the hypermarket.
• . You can pay for the purchase in cash or by bank transfer at the cash desks of the store.

Purchased goods can be picked up at any of the OBI stores in Moscow, St. Petersburg, Ryazan, Volgograd, Nizhny Novgorod, Saratov, Kazan, Yekaterinburg, Omsk, Krasnodar, Surgut, Bryansk, Tula and Volzhsky.

Doors play an important role in the interior of any room. That is why their installation and design should be approached with great responsibility. So that the doors have an aesthetic appearance they are usually completed with additional strips. What is the function of extensions for interior doors and how to install them correctly? You will learn the answers to this and other questions from the article.

Products are special strips, which are horizontal and vertical, of different sizes and textures. They are installed in the doorway between the casing and the box. The need for this arises when it is necessary to mask defects, to give aesthetics to the door.

What else dobory need - to hide the missing width of the door frame. It is for this reason that the name appeared - dobornik, that is, covering the wide slopes at the openings. In a standard room, there are enough boats, but if an apartment or a house is built according to an individual project, then the platbands do not cope with their task, the extensions help to hide the “bare” side walls. Then the design and interior acquire a complete look.

Given the importance of the element, it is worth taking into account that the additional board should be as similar as possible to the door leaf in texture, color and style.

Reasons for installing slats

Door extensions are needed in cases where there are too wide openings in the room.

To make it more clear, let's take an example. The width of the wall is 200 mm. 70 mm of them will be blocked by a box and 130 mm will be covered with an extension. We add 20-30 mm for the groove and get the required plank size (150-160 mm). An additional element is needed only if the platbands are planned from two sides: internal and external.

Ennobling the opening with extensions is a relatively new trend that is gaining popularity. When thinking about how to expand the door frame, it is better to use specially prepared strips. Since the existing casing will not hide an empty wall. Dobors are produced in different widths and lengths, so they completely close the space between the slopes and the door leaf.

Materials and design features

Depending on the form and method of fastening, the types of extensions can be as follows:

Elements are made from a variety of materials. Depending on the raw materials used, door trims for interior doors are made of wood, plastic or MDF.

Wood dobor is made, as a rule, from natural wood. Ash, beech, oak and conifers are used. The additional beam can be edged or tongue-and-groove. It is extremely important that the door leaf and the additional element are made of the same material. This will avoid visual dissonance.

Dobor from MDF is the most requested. It is lightweight, resistant to mechanical damage and easy to install. It is made from a fine-fiber fraction, and is covered with a laminated film or natural veneer on top. Such extensions will be a good addition to both wooden doors and hollow door leaf.

Items from PVC or simply plastic Dobory for doors can be attributed to the number of budget options. They are low cost, easy to install and do not require additional maintenance. Most often used for front doors.

How to choose the right accessories

The first thing you should pay attention to when choosing a material for additional products is their compatibility with the door leaf. As mentioned earlier, for the reliability and harmony of the design, they must be made from the same raw material. It is best to purchase items with doors.

The quality of the selected material is also extremely important. The plank should not have any chips or cracks. A flat and smooth surface without defects indicates the good quality of the product.

If your choice fell on telescopic extensions for interior doors, then in this case, first of all, you need to make sure that there are fasteners. These should be special factory grooves, the shape and size of which are individually selected for all interior doors.

It is worth taking into account the price-quality ratio of the selected product. It is best to give preference to trusted brands and manufacturers. Cheap analogues unlikely to be high quality.

Before buying a product, you need to accurately calculate how many additional elements you need. As a standard, 2.5 strips are installed on the door.

Dimensions of extensions for interior doors

Door extensions are available in any size, but standard trims are most suitable for an interior unit. The thickness of the additional element must correspond to the thickness of the groove located on the door frame itself. As a rule, it is from 10 mm to 16 mm. The most suitable width of extensions for interior doors ranges from 70 to 200 mm. If it turns out to be a little more, then it is adjusted by cutting. The height of the parts is 2100 mm.

In addition to standard sizes, the slats are made from the material required by the customer, suitable dimensions. Those who live in an apartment or house with an unusual layout are forced to resort to this option.

To independently determine the parameters of the addition, you need to measure the thickness of the wall, the height and width of the doorway. It is necessary to add a small margin of 1-2 cm to the measurements obtained. This is necessary in order to eliminate the possibility of error.