If you do not want to overpay 20-50 percent for non-standard interior doors, then you need to decide on the doorway in advance.
You need to start from the doors you like, the variety of which can satisfy even the most fastidious taste. Basically, doors are produced in standard sizes: 2 meters high and 60, 70, and 80 cm wide.
Helpful information:
Less common is a standard with a width of 40, 55 and 90 cm and a height of 1.9 meters. The thickness of the door frames can vary in the range of 1.5-4 cm.
Table of standard opening sizes
Depending on the room, it may be used standard size doors.
This is how they usually put it:
- in the bathroom and toilet, the height of the opening is usually from 1.9 to 2 meters, width 55-60 cm, depth 5-7 cm.
- in the kitchen height 2 meters, width 70 cm, depth 7 cm.
- in the bedroom or living room, the height of the doorway will be 2 meters, width 80 cm and depth from 7 cm to 20 cm.
- if the bedroom door has double doors, then only the width will change: it will be either 2*60 cm or 40+80 cm.
After plastering works and leveling the walls, the depth of the doorway will increase accordingly.
Data dimensions doorways very difficult to overestimate. After all, if you did not take them into account in your calculations, you may encounter a problem when your door frame does not fit into the opening. And not every opening can be enlarged; sometimes this is impossible due to the specific layout or design of the wall. If this is a load-bearing wall, then you will also face a number of difficulties.
Even a simple wall from plasterboard it is not easy to reduce due to transfer metal profiles. In this case, you will have to overpay for not standard sizes interior door.
There is also the opposite situation, when the doorway is much larger than the door. Here you will also overpay specialists when installing the door, for narrowing the opening.
An unpleasant situation may arise when, as a result of reduction, the platband cannot close the hole in doorway. In this case, you will need to seal up the uncovered sections of the wall, glue wallpaper or lay tiles. It’s good if the room hasn’t been glued up yet, but if it has been, then everything will have to be re-glued.
Therefore, even at the project stage, you need to decide on the size of the doorways, then you won’t have to overpay for non-standard doors or redo the opening.
What you need to know to calculate a doorway:
- height and width of the proposed door
- thickness door frame
- box width
- width of platbands
- the box will be with or without a threshold.
Suppose you need a door measuring 2 by 0.8 meters and 2.5 cm thick. To calculate the dimensions of the doorway, you need to add the dimensions of the frame to the dimensions of the door, plus an installation gap of 1 to 2 cm on each side.
Figure y shows a diagram of a doorway with a door and dimensions. Using these data, we can easily obtain the opening width of 800+30+30+10+10+4+2=886 mm or 88.6 cm.
You can find out the width of the frame on the website of the manufacturer of the doors you like.
- with a threshold of 2000+30+30+10+5+3=2078 mm. or 2 meters and 7.8 cm..
- without threshold 2000+30+10+5+3=2048 mm. or 2 meters and 4.8 cm..
Please note that the most common thickness is 7.5 cm and therefore many manufacturers adhere to this particular size.
If the wall is thicker or thinner than the box, then you will need to install an extension or cut the box lengthwise, respectively. Without these operations you will not be able to and everything will look much worse.
During repairs, it is important to always pay attention to such an aspect as size interior doors. The most the right decision will follow the standards accepted in Russia - this will avoid many problems, because it is known that their installation is carried out only when all the main work has been completed and all that remains is to paint the walls. It is very unpleasant to face at this stage the need to adjust existing openings or make doors to fit custom size– this option is usually much more expensive.
Among other things, it is also necessary to take into account that in the domestic specialized market there are not only products Russian manufacturers, but also imported, made according to European standards, which to a certain extent differ from our GOST standards.
Standard sizes
The dimensions of the openings must correspond to existing commercially available door leaves. There are standards for both them and the boxes.
In particular, the most common are the following:
- for kitchens they are used - 70 cm by 200;
- for bathrooms and toilets - from 55 to 60 by 190 or 200;
- in rooms - 80 cm by 200;
- Double doors are often installed in the living room or dining room - 120 by 200 (each leaf is 600 mm wide).
As a rule, in apartment buildings All openings are arranged exactly to these dimensions. At the same time, in some older buildings they are often significantly larger. Here it makes sense to reduce them to standard dimensions.
On sale there is generally a huge selection of ready-made doors of the most different types. For the most part, they all have a height of 200 centimeters and, accordingly, different widths. Sometimes you can find shorter canvases (190 centimeters).
The thickness also differs significantly. If the minimum is only 15 millimeters, then the maximum reaches 45.
Having carefully measured the openings existing in the apartment, in the future, as a rule, it is possible to select the most suitable suitable option. It is important to understand that inattention in this situation always leads to one thing – unnecessary expenses. Very often, doors are purchased by inexperienced would-be craftsmen, as they say, by eye, and then they have to be returned. There are no particularly big problems if the canvases have not yet been adjusted, that is, they:
- the boxes were not trimmed;
- no hinges or locks were inserted.
Otherwise, the seller will have every right to refuse to accept the goods back.
You should be most careful about your purchase if we're talking about about doors manufactured by foreign companies.
How to make a doorway correctly
When determining which opening needs to be made, it is important to consider the following points:
- the dimensions of the canvas itself (for example, 200 by 70);
- width of platbands (6.5 centimeters);
- box (3 cm).
- installation gap (1 cm);
- door block (2 cm)
- threshold (2cm)
As a result, it turns out that the opening itself for such a door should have a width of 81 centimeters. Its height reaches 208.
Accordingly, for other cases the dimensions will be as follows:
- 60 cm –71;
- 80 cm – 91;
- 120 cm – 131.
Almost all ready-made boxes are made 75 millimeters wide. If the wall is thicker, then special decorative extension strips are used. If necessary, they should be purchased together with the doors - usually manufacturers supply them to retail establishments. If you buy later, there is a chance that their color will differ slightly from the rest of the door elements.
How to measure an existing opening
To avoid mistakes during the measurement process, you must proceed as follows:
- determine the distance from the floor to top point(when the jumper is installed unevenly, measure at the lowest place);
- The width is measured in the middle.
Remember, the accuracy of the measurements will make it easy to install the doors in the future.
Standard frame and door leaf
The width of the door frame of the interior door should correspond in size to the opening, taking into account the previously mentioned gaps (without which it will not be possible to properly install them level).
It should also completely cover the entire side wall in the opening. As noted earlier, if the box itself is too narrow, then it is necessary to use expansion strips (or extensions). Their standard width is 150 millimeters, length corresponds to 2 meters. Thus, for two doors you will need to buy 5 strips.
If the height of the opening is higher than the standard allows, then the problem can be solved with the help of several sheets of extruded (hard foam). They fill it free space, and plasterboard is glued on top or simply plastered (necessarily with a fiberglass reinforcing mesh). It is important to make such adjustments immediately, before the rough work is completed.
Which doors to choose
Nowadays the choice of ready-made doors is truly colossal. There are many designs, colors, materials. You can also find inexpensive options and exclusive.
Currently, the most popular doors are:
Wooden ones are installed a little less often - this is not surprising, because they are significantly more expensive. They are often equipped with glass inserts.
You should know when choosing the most suitable option that, for example, made from solid board the doors are quite heavy and can, depending on humidity, swell or shrink. For the most part, this can be avoided if you take products made from laminated wood. It uses short bars connected together in different directions.
If you don’t have much extra money, then choose MDF doors. The cheapest option is hollow sheets containing honeycomb filler inside. Their disadvantages are mainly:
- too poor sound insulation;
- weak resistance to physical impact;
- moisture intolerance.
For interior decoration of residential premises great importance interior doors play. A door is a kind of “barrier” that allows you to separate one room from another. In this case, the width of the door frame must be chosen correctly so that there are no obstacles when moving people, moving furniture and other objects.
When, the width can be chosen in standard sizes or larger/smaller, taking into account the purpose of the room and the desires of its owner. For houses and apartments, it is recommended to make room openings smaller than for the entrance to the home.
Standard size for entrance width door leaf more than 800 millimeters is selected. Interior doors have widths: 600, 700, 800 millimeters.
Size dependence
Sometimes owners deliberately expand the opening to 900 millimeters.
Tip: When designing and installing a passage in a room, you should consider that the furniture large sizes It is very difficult to bring into a passage 600 millimeters wide. The optimal size is 800 millimeters. The same dimensions should be chosen for the bathroom, which will allow you to bring in without any problems. washing machine and other large equipment.
Standard dimensions are shown in the table:
The table shows that the canvas is selected at least 7 cm smaller than the doorway. But, the thickness of the door frame must also be taken into account.
So, for example, if the thickness is 30 millimeters, which corresponds to minimum size, it is enough to increase the width of the opening by only 6 centimeters. But for veneered or telescopic boxes this will not be enough. They have a greater thickness, plus an additional gap for blowing foam.
Opening measurement
Height measurement
For those who like to do everything with their own hands and reduce the cost of work, we offer short instructions to help you correctly and quickly measure the doorway:
- Measurements should be taken on bare walls. To do this, remove the door leaf and frame before starting work.
- The distance between the walls is measured in several places: top, bottom and center. The smallest value is recorded.
Tip: If it was not possible to dismantle the elements, you need to measure the first one or the size from the center of one of the trims to the middle of the other. This will give approximate figures for the size of the opening.
Width Measurement
- The distance is measured from the lowest point of the floor to the top of the opening or the gap between the floor and the center of the platband is calculated if the box could not be removed.
Measuring scheme
- The depth of the opening is equal to the width of the wall. Therefore, the width of each wall is measured: on both sides of the opening and on top, or the thickness of the door frame is measured, and the wall protruding beyond it is added to it, if there is one.
Size calculation
After taking measurements, you can correctly calculate the size of the door leaf.
This takes into account:
- The height of the door leaf and its width.
- Thickness and width of the door frame.
- Width of platbands.
- If there is a threshold, its dimensions.
As an example, we take the calculation for a door leaf with dimensions:
- Height – 2 meters.
- Width – 80 centimeters.
- The thickness of the door frame is 25 millimeters.
When calculating the dimensions, it is necessary to add the thickness of the box on both sides to the width. In addition, the calculation also takes into account the installation gaps on each side, approximately 15-20 millimeters.
In this case, the width will be equal to: 800+25+25+15+15=880 millimeters. An example for calculation is shown in the photo.
Width calculation scheme
This width is almost perfect option for manufacturers of interior doors. The doors are easily installed in standard sizes of residential openings.
The height is calculated in a similar way, taking into account the installation gaps and the presence of a threshold. The height of the doorway will be: 2000+25+10+15=2050 millimeters.
As a result, for a door leaf with dimensions of 2 x 0.8 meters, the opening in the wall is 2.05 x 0.88.
What is the thickness of door frames? Typically the standard size is 75 millimeters. This must be taken into account when installing the door.
Otherwise, you will need to use a box expander or saw it lengthwise. In this case, problems may arise during the subsequent installation of platbands, which will lead to damage to the appearance of the door.
To determine the parameters of the wall, you need to measure its thickness on all sides in three places. If the parameters around the perimeter of the doorway are the same, products with non-standard sizes are ordered. At different thickness At these points, the door frame is sawn or an extension is installed.
Watching the video in this article will allow you to correctly calculate the opening for installing the door leaf, taking into account the style, characteristics of materials, and operating conditions.
Purpose of the additional element
The additional element is a strip that is used to expand the timber of the used frame for the opening.
It is used to cover a section of the wall that is not hidden by the frame beam. The width of the required extension is calculated by measuring the thickness of the wall in the door opening, and the width of the frame beam is subtracted from the resulting value.
The standard width of an interior door frame is 7 centimeters. If the wall is thicker, additional installation is required. An exception is the use of “L” shaped trims.
Advice: When purchasing doors, you need to take into account the most big size thickness of the wall at the opening. Otherwise, the box will be smaller than the width of the wall. In this case, the platband will not fit tightly on the wall and frame.
If such a defect occurs, you need to use alabaster or gypsum mortar to cover the gap.
The width of the extension is equal to or greater than the part of the wall to be covered. For example, if the wall width is 12 centimeters, and the boxes are 8, an addition of at least 4 is required.
Features of the selection
Before installing the strips on the door frame, you should familiarize yourself with the advantages of installing them:
- High speed of installation of an expanded door block.
- There are no “wet” finishing processes that are unfavorable for wood.
- Long period between regular repairs.
- Aesthetics, which ensures integrity and beautiful view door design.
- Low price of planks.
The three components of the extender-extension, assembled into a single whole, resemble the letter P; it can be attached:
- Straight to the door frame.
- To the wall, where the opening is installed.
- On the mounting beam placed between the extensions and vertical planes opening.
If there is no special mechanical load on the extensions, only liquid nails can be used to fix them into a specially made recess. But more often galvanized self-tapping screws are used for installation.
Tip: If you commit with front side, it is necessary to hide the fastener heads with mastics or plugs matched to the tone of the box.
Types of additions
To furnish your home, you can purchase the following doors:
- With boxes in which a groove was pre-selected on the outside for proper alignment with the extensions.
To do this, you can use chipboard or wooden planks one centimeter thick. The width of the panel strips is measured with a box mounted into the opening, which will be the basis of the structure. In this case, the element is nailed with reverse side openings with galvanized small nails in increments of 20 to 35 centimeters. You can insert the strips into the recess and then fix them in the opening of the box with glue.
- Without groove with box beam. In this case you can:
- choose a groove using a machine with a special straight cutter yourself;
- attach the extensions to the box beam through pre-drilled screws from the end of the element;
Tip: To attach additional strips to the frame, the diameter of the through holes along the entire length is not the same. First, the drill is taken with a diameter equal to the screw head, then according to the size of its barrel.
- additional elements are installed on bars screwed to the wall with self-tapping screws. The first of them is located 200 millimeters from the floor, and then in increments of 60 centimeters;
- the extensions with the box “sit” inside the base of plywood or plasterboard;
- a box beam without a groove is connected to the planks by installing a rail that runs with outside opening along the alignment line;
- a lath or plank made of plywood is attached around the perimeter not in a continuous strip, but in separate sections.
The timber and trim strips are nailed to the rail. In this case, the central axis of the rail and the connection line must coincide or have a slight offset.
After assembly, the outer line of the extensions is flush with the opening. Excess up to one millimeter is trimmed off with a plane, and then everything is closed with cash.
Installation of accessories
Typically, the top strip, combined with the lintel, is superimposed on two vertical parts.
To calculate its length, you need to add two thicknesses of additional racks to the size of the lintel. But you can also place the bar between them. In this case, the length of the lintel trim is selected according to the width of the box, and to the heights of the left and right vertical elements the thickness of the top bar is added.
Installation procedure:
- With scrupulous accuracy, measurements are taken according to the scheme that corresponds to the chosen method of fastening.
Tip: For right and left extensions, the vertical size is measured separately. Wherein internal line The future plank should be measured according to the box, and the outer one in the opening in fact.
- The board is cut according to measurements and according to the construction diagram.
- All three additional elements are attached to the assembled door frame.
- When attaching the slats to a box that is not installed in the opening, it is installed together with them.
- Mounting wedges are placed between the wall and the door base and they are used to align the device in the opening.
- The installation gap is blown in with foam before installing the spacer wedges, between the box beams and the extensions.
- Foaming of the entire space is carried out in portions, in at least two steps. Adjustments to the curing process are controlled while the foam cures.
- The work is completed by sealing the gap formed between wooden parts both the floor and the installation of platbands.
A correctly executed door frame expansion allows you to create any opening quickly and efficiently. This is especially important when it is difficult to select a standard ready-made design.
Replacing doors during the process is a very responsible matter. It is important not just to choose, it must fit into the opening. Adjusting the dimensions is often impossible without disturbing the structure of the coating. Taking risks in this case is very expensive. Therefore, when choosing, you need to take into account not only the design, but also the standard sizes of interior doors, standard markings, opening methods, and prepare as much as possible before going to the shopping center.
The purpose of interior products differs from those that are intended to protect housing from intrusion by strangers. First of all, they must be highly functional and provide comfort in the premises. Requirements for different rooms, differ, but the main criteria can still be identified:
- Protecting the premises from unwanted visits. For example, it is necessary to create confidence that no one will accidentally interfere during procedures. In addition, protection is needed from increased noise, light, odors from the kitchen or drafts;
- division of space– this is necessary to delimit the premises into separate zones and organize the area according to its purpose;
- – canvases must match general design premises.
Structures can be glazed or sheathed tightly. According to the opening method - cassette. The main selection criterion is that the canvas must completely cover the entrance.
Dimensions of interior doors according to GOST
Dimensions have been approved by the state standard interior designs. In this case, it is necessary to take into account several parameters simultaneously: the length, width and thickness of doorways. All manufacturers adhere to certain standards. If necessary, structures can be manufactured according to individual measurements, but this will not be cheap for the customer.
Here are the main standard dimensions of interior doors with a frame for a leaf thickness of 44 mm:
| Dimensions of the canvas, mm | Opening dimensions, mm | ||||||
| Width | Height | Width | Height | ||||
| Single door models | |||||||
| 550 | 2000 | 2100 | 2200 | 630/650 | 2060/2090 | 2160/2190 | 2260/2290 |
| 600 | 680/700 | ||||||
| 700 | 780/800 | ||||||
| 800 | 880/900 | ||||||
| 900 | 980/1000 | ||||||
| Double-leaf models | |||||||
| 1200 (600/600) | 2000 | 2100 | 2200 | 1280/1300 | 2060/2090 | 2160/2190 | 2260/2290 |
| 1400 (600/800) | 1480/1500 | ||||||
| 1500 (600/900) | 1580/1600 | ||||||
You should know this! Standard parameters allow you to select and install the design as accurately as possible. However, its functionality will not be impaired.
How to correctly measure an opening
If it is not possible to invite a measurer, you need to measure all the dimensions yourself. To do this you will need a tape measure, a pencil and a piece of paper.
- Width measurements must be taken at the top and bottom at a distance of 20 centimeters from the top and bottom borders and in the middle;
- height is measured in two places: from the floor surface to the upper border. If there is a threshold, it should be taken into account when taking measurements;
- measuring the thickness of the door frame of an interior door. Moreover, if it is more than 100 mm, it will be necessary to additionally install additional elements in the form of slopes.
The gap between the box and the wall should be 15 mm. After installing the structure, it is filled with polyurethane foam.
If you plan to install non-standard structures, for example, in the form of an arch, you need to contact professionals. It is quite difficult to perform such measurements correctly. You can draw a design on paper and give it to manufacturers.
Calculation of the proportionality of the box to the opening
If you don’t have a proportionality table at hand, you can calculate the necessary parameters yourself. To do this, you need to add the width of the box and the thickness of the installation gap on both sides to the width of the canvas.
- The standard width of the door frame is 25 mm;
- The recommended gap on each side is 15 mm.
Let's calculate the parameters of the opening width for a sash with a width of 550 mm:
550 + 25×2 + 15×2 = 630 mm.
To calculate the size of the opening for interior doors in height, you need to take into account:
- distance from the floor surface to the sash 10 mm;
- box thickness 25 mm;
- gap 15 mm.
The height parameters without threshold will be calculated as follows:
2000 + 25 + 15 + 1 = 2031 mm.
To install a box with a threshold, you need to add the height of the threshold instead of the indentation to the floor surface, and take into account the method of its fastening: with foam or screws.
Construction dimensions do not always fit into these formulas. In case of discrepancies, you can use the following tips:
- if a few millimeters of the opening width is missing, you need to expand it a little manually;
- if the box is much narrower than recommended building codes, you should select the appropriate sizes of extensions for interior doors, they will close the free partition;
- if the product is installed in load-bearing wall, its thickness may exceed the thickness of the box. For such a case, slopes are installed.
If none of the proposed options is suitable, you should make a block according to individual order.
Corridor Product Parameter Definitions
When choosing a product for a room, you need to take into account the dimensions of the openings. They must differ from the parameters of the valves. You cannot rely on standards; you must take your own measurements.
The standard height of doorways in the corridor is 2.01÷2.05 m. The width can vary within 1.28÷1.6 m.
In order to select a product according to these parameters, you can choose a double-leaf design with identical 60 cm panels, or different widths 0.6 + 0.8 or 0.6 + 0.9 m. The total width allows them to be installed in an opening of 1.6 m.
Product marking
There is product marking in accordance with GOST; in practice, manufacturers make their own adjustments and designations. Let's first consider generally accepted norms.
| Type of design | |||||||
| D | In the box | ||||||
| P | Canvas | ||||||
| Blade type | |||||||
| G | Deaf | ||||||
| ABOUT | With glazing | ||||||
| U | Reinforced with continuous filling | ||||||
| Additional markings | |||||||
| L | Left | ||||||
| P | With threshold | ||||||
The height and width of the structure are indicated in decimeters.
You can find individual manufacturer markings with other designations for the sizes of interior double doors, indicating the material of manufacture and the name of the product. Dimensions can be indicated in centimeters.
Standard sizes of swing interior doors with frames
Swing structures are installed in wide openings. Most often - in the living room. They attract attention and become the central element and decoration of the room. It is important to correctly determine the dimensions of interior doors with frames, as errors will immediately be evident.
Canvas dimensions
In apartments built in the last century, swing doors with a leaf width of 65 cm and a structure height of 230 cm were most often used. Currently, manufacturers have expanded the production of models and offer door frames with the following parameters.
| Height, cm | Sash parameters, cm |
| 200 | 60 + 60 = 120 |
| 40 + 70 = 110 | |
| 40 + 80 = 120 | |
| 40 + 90 = 130 | |
| 50 + 70 = 120 | |
| 55 + 80 = 135 | |
| 60 + 90 = 150 |
Door frame dimensions
Boxes swing doors are made in a U-shaped design without thresholds. This is enough to completely fix the product around the perimeter. As in conventional models, when calculating the parameters it is necessary to leave a gap between the box and the opening.
During production door frame used different material. The width can be between 15-40 mm, optimal size The width is generally considered to be 30-35 mm.
Door opening dimensions
Manufacturers often indicate standard door opening sizes along with the product labeling.
The width can be determined using the formula:
width of two sashes + double frame width + double gap
The frame width is usually 30 mm, for the gap width you should leave 15 mm on each side.
To determine the height without threshold, you should include in the calculations the distance from the floor surface to the canvas of about 5÷20 mm:
sash height + frame width + gap + height from the floor surface
When installing a threshold, calculating the height is similar to determining the width.
Blade thickness
This is the third characteristic of interior structures. The strength of the entire structure and sound insulation depend on it. The standard thickness of the sheets is 40 mm. Manufacturers also offer thinner blades 20, 30, 36, 38 mm.
Products with a parameter of 50 mm can be made upon individual order.
Interior doors of non-standard sizes
Free layouts of apartments and the construction of private houses require a non-standard approach to the design of premises. Often designs from . For such planning standard parameters door products may not be suitable.
By individual order it is possible to produce not only fabrics of non-standard parameters, but also unusual design. In this case, it is important to take into account the thickness of the material, since drywall is limited in the perceived loads.
If you plan to produce canvas custom size, it is important to consider some features and limitations.
- Reducing the height of the product is not recommended. Structures of increased height can be installed in rooms with high ceilings;
- when changing the width, it is important to consider the uniformity of load distribution. If the opening is more than 2 meters, additional supporting elements in the middle of the structure.
As a non-standard technique, you can change the width of one sash to a third or half of standard width. This model is usually called one-and-a-half.
This is important to know! Manufacturing custom-made structures will increase the cost by 30÷40%.
Standard sizes of interior doors: main types and range
The modern market is filled with a variety of products. You can choose quite budget models or elite exclusive samples in different color scheme and design. When choosing, you should take into account the basic design of the room.
Basic materials for making products:
| Photo | Material |
 | Glass |
 | Tree |
 | , or MDF |
 | PVC |
Classification of models by opening method
Manufacturers offer samples with hidden box. To install such structures, certain requirements must be met:
- the thickness of the walls should not exceed 80 mm;
- the opening parameters must comply with the manufacturer’s recommendations, the vertical deviation is no more than 1 millimeter.
You can choose designs with in a non-standard way opening. They save space and are also attractive appearance will bright accent in design.
- Swing models With in the classic way openings can be left- or right-handed, while the hinges are mounted on the opposite side.
- Sliding– significantly save space. They have one or two canvases moving along the floor surface along special guides.
- Harmonic- several canvases are folded in the form of an accordion; wide openings are required for their installation.
- Rocking are made from 1÷2 panels, the mechanism allows you to open the panels both inside and outside the room.
Conclusion
Interior doors complete the interior design. High-quality installation depends primarily on correctly performed measurements and calculations. When choosing a product, you need to take into account many parameters: material, weight and dimensions of the structure. Manufacturers offer a wide range of models that will fit into both regular and non-standard openings. If desired, you can do individual design designs.
Have you ever encountered the problem of determining door sizes? Share your experience with us. Our team will be happy to discuss various nuances.
Features of sizing can be seen in the video.
If you decide to start building a residential building or carry out major renovation apartment, you will inevitably have to face the choice of doors. They not only perform the function of protecting your home from external influences, but also serve as decoration in the interior.
The market is replete with these goods - both domestic and foreign, so the choice is difficult for the uninitiated person. When choosing, it is best to focus on the standard sizes of interior doors with frames. This simplifies their installation and reduces your costs for the interior element in question.
An interior door with a frame is called a door block, the parameters of which are regulated by GOST 6629-88, current in the Russian Federation. Block parameters: height, width of the door frame and its thickness depend on their location in the room - living room, kitchen, bathroom, toilet, since the parameters of openings during mass construction were standardized back in the Soviet Union and before today preserved in housing projects.
In addition, 80 percent of the housing stock of Russians was built in the USSR according to the mentioned GOST standards and is regularly repaired. So, for example, the width of the toilet opening is 71 or 81 cm, in the bathroom 91 and 101 cm, and in the kitchen 121 cm, height 207 cm, openings between living rooms vary from 101 to 191 cm (single and double leaf), height 237 cm. Most are guided by these standards domestic producers, and a number of foreign ones have similar ones.
It should also be noted the improved quality of Russian products furniture factories working on high-tech equipment. According to GOST, the standard sizes of interior blocks should be smaller sizes opening 3 cm in height and width. In practice, this gap is significantly smaller and is about 1 cm. The thickness of the door frame depends on the thickness of the walls in the room, which in standard Russian apartments is 7.5 cm.
Therefore the most common standard thickness boxes are 7.5 cm, although larger sizes may be available. If the wall is thicker than 7.5 cm, the block is assembled door panels, covering uncovered wall elements. The extensions are not regulated by GOST and are produced in widths from 8 to 20 cm in increments of 1 cm.
Boxes are made from wood coniferous species, mostly from pine, which is less susceptible to warping and deformation, and the canvas is made from a variety of materials: solid hardwood, profiled from PVC, aluminum, using glass. The thickness of the box also depends on the weight of the canvas.
The dimensions of the box are regulated by standards, which recommend using timber no more than 30 mm in width and 80 mm in thickness. However, in practice, large-sized timber is also used. Lightweight interior doors are mounted on timber 50-60 mm thick, heavier ones made of oak or glazed - on timber 7.5-9.4 cm. finished product It has complex configuration, which is also regulated by standards, which allows the use of fabric of different thicknesses.
Prefabricated door blocks: main dimensions
Quite often, door blocks are assembled by craftsmen from basic elements. The canvas is usually purchased, and the box is assembled from elements and adjusted to fit the opening. In this case, you need to pay attention to both the thickness of the box and the dimensions of the quarter in the selected door block. The thickness of the leaf must correspond to the size of the selected quarter of the interior door frame, otherwise it may not close.
Prefabricated doors will be significantly more expensive than standard ones, and their quality may be worse. They resort to assembling doors from elements in cases of large discrepancies between the openings and standard blocks. In addition, standard blocks are factory-finished with a tree covering valuable species With high level quality, which is impossible to do in artisanal conditions.
Nevertheless, the market offers such services, and they are in significant demand, especially in construction individual houses and cottages. Domestic standards differ from the standards of imported blocks, primarily from products from countries such as Spain, Italy, Finland, and Sweden. The main differences in the standards relate to the width and height of the canvas.
The differences are insignificant (5-6 cm), but when purchasing products from these countries, installation difficulties may arise due to the doorways not matching the purchased units or when installing the door leaf in standard box. Problems may arise in the future when replacing the canvas, which will be difficult to find on sale. Therefore, it is recommended to focus on Russian standards.
Before purchasing door blocks, you should carefully measure the openings of the living space: the height, width and depth of each of them. This will allow you not to make a mistake and choose standard sizes of interior doors with frames, significantly saving on this and simplifying installation. Below are the standard dimensions of door frames for interior doors according to GOST.
| Type of premises | Opening width/height, mm | Box width/height, mm | Box thickness, mm | Door leaf width/height, mm | Blade thickness, mm |
| Toilet | 700x2100 | 670x2070 | 60 | 600x2000 | 30 |
| Bathroom | 800x2100 | 770x2070 | 60 | 700x2000 | 30 |
| Bathroom, kitchen | 900x2100 | 870x2070 | 60 | 800x2000 | 40 |
| Living room | 1000x2100 | 970x2070 | 75 | 900x2000 | 40 |
| Living room | 1200x2100 | 1170x2070 | 75-94 | 1100x2000 | 40 |
| Living room | 1300x2100 | 1270x2070 | 75-94 | 1200(600+600)x2000 | 40 |
| Living room | 1500x2300 | 1470x2270 | 75-94 | 1400(700+700)x2200 | 40 |
| Living room | 1900x2400 | 1870x2370 | 75-94 | 1800(900+900)x2300 | 40 |
