To reduce the installation of doors in private houses, baths and various economic buildings, it is advisable to buy ready-made door blocks with standard sizes. Factory products can be made from different materials, including steel or plastics, from pressed cardboard or wood array. To install such blocks, it is necessary to have openness of the desired dimensions. The unit should be in the opening quite accurately, large gaps are undesirable. When selecting a finished door block, the task is to calculate the size of the openings for each option. . As a basis, when calculating the dimensions are taken by the dimensions. The desired enlightenment enlightement is chosen by the home owner or designers at the project stage. Luxury is the opening, visible physically (opening in the light). It is this physical value that is measured when moving through the door of overall furniture.
Diagram of the door block and opening.
Often, when repairs, it is necessary to solve the feedback - on the door clearance of the existing doors you need to choose a suitable door block in the store.
Door block and opening
Measurement diagram of the doorway.
During repairs, most often use the offers of shops that are going towards buyers and have products in warehouses using the greatest demand. Sellers can have assistance. The problem of the correct choice of block is that factory-based products have certain dimensions.
Doors to order are more expensive, but sometimes this option is inevitable, especially in repairs and reconstructions of old buildings. If you cannot find a similar product, then there is a need to slightly reduce or increase the opening in the size of the existing door. The increase in the height of the doorway is most often impossible.
Calculation of the desired size of the opening requires some knowledge. Especially exactly need to calculate its height. Errors with width corrected, since the width is not strictly limited by the supporting structure. The carrier jumper can not always be lifted above to increase the height of the opening. Large costs are required and for redo the level of clean floor. It is much cheaper to choose a door of a smaller height, if there is some reserve in height. Usually the height, as well as the width of the standard joinery, is changing a multiple of 5 cm.
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Owners of private houses have many opportunities for choosing doors of domestic and foreign manufacture. The standard line of dimensions of the door canvases differ little, as they depend on the same ergonomic parameters. The most important parameter for doors is the average human growth. The standard height of the door of the doors is 2 m, it can be somewhat more or less depending on the desire of the customer.
Options for installing doors.
For a single door, the standard door canvas can have a width of 600 to 900 mm. Usually the choice of width of the opening depends on what furniture will be made. For example, for interior doors, the size of the web 800 mm is often chosen. For the entrance doors, a width is usually selected 900 mm. It is the size of the standard of the standard doors that is a round digit, and not the size of the door lumen. The size of the door lumen is correlated with the size of the door canvase approximately.
The choice of the door block does not affect the thickness of the walls. For interior doors, the standard assumes the thickness of the partition 75 mm, but the wall thickness may be any. If the wall thickness is different, then a good is used, or the platband is placed only on the one hand, on the other hand, there may be a slope. Coolband, a good bar and a box must be made of one material, do not differ in color. Sleeping is usually equally with the wall. For example, the slope in the bathroom can be trimmed with tiles.
Technical clearances
Standards of the size of doors and openings according to GOST and SNU.
When calculating, the concept of technical clearance will be required. These are the gaps on the floor between the doorpass and the box, between it and the floor. In this case, they do not depend on the degree of surface treatment of the product, but are accepted by experience or traditionally. The gaps on each side of the canvas are different. Their size depends on the design, quality of execution and even from the door of the door. It is known that pine structures have unstable dimensions. If the joinery products are made of wet wood, then over time they are boxed, breathed. For such doors, the gap to the installation of the lock is accepted up to 4 mm. For modern high-quality doors (metal or from other materials), it may be less. Usually the clearance from the loop side must be 2 mm. If there is a threshold, then 3-5 mm is allowed between it and the door cloth. For the interior door without a threshold, the gap should be no more than 1 cm. Less than 7 mm is not done, unless there is no special tightness requirement.
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Mounting clearances
Table of matching door openings and doors.
Mounting gaps are necessary in order to freely install the door block in the opening and then be able to close the joints of the mounting foam. Mounting foam - modern material. Earlier, for this purpose, a bar was used, cement mortar. Depending on the enclosure method, it could be more suitable. In this case, the size of the assembly gaps is made from the conditions of modern construction technology.
It is important to know exactly the cross-sectional size of the box to understand, this door block is suitable in the existing opening or not. Modern standard door boxes have certain sizes.
The minimum thickness of the quarter of the box is 25 mm. For the threshold, this size can be reduced, since the thresholds are usually performed from a solid tree. Currently rarely put thresholds in apartments. Sometimes they are put at the entrance to the bathrooms. The box consists of three parts, not counting the threshold. Mounting gaps are left between vertical details of the box and walls, 10 mm on each side. The upper mounting seams should usually be standard 10 mm (except for opening in the Siruba).
Optimal mounting gaps usually do not exceed 1 cm if the openings are formed in the walls of brick, concrete and other dense materials. For cutters, it is necessary additionally a stock for a shrinkage of 5 cm logs, so the height of the opening will be more than 4 cm.
Cutting box when installing
If the existing height of the opening is not enough, then not only the vertical racks of the box under its size, but also the canvas itself, if it allows its design. All finished door blocks have a stock in the height of the box. This rule does not relate to PVC products and metal products. Excess box height is cut when the door is installed. The box is installed directly on the net floor. If the floor is uneven, then the difference is compensated by the height of the box, so they never cut the box of the box one by one measurement. The technology of installation of doors in the Siruba has its own specifics. Compensation of fire sediment is necessary, this is done due to the reserve of the opening in height. In addition, the box cannot be secured directly to the walls.Article on the topic: Plinth height: Standard samples and sizes
Why cut the door leaf?
When choosing the door canvase, it is necessary to take into account the possibility of its fitting, as the door may not fit even with the minimum thickness of the box. The need for trimming occurs if the height of the opening is too small, there is no stock in height. Ordering an individual product is too expensive, so the door canvas sometimes cuts. The process should occur under the control of experienced specialists who are familiar with the technology of making a joinery.
Builders sometimes cut even weak door leafs from glued cardboard into several mm, reducing their strength and service life. So that such a need has not occurred, it is necessary to correctly determine the height of the opening at the project stage. For this make calculations on the available finished blocks. For these calculations, the jumper mark is determined above the opening and the nettting mark. Change these design marks during the construction process cannot be not reduced the height of the opening. The result of the error will be a general increase in estimates for construction.