What is the difference between roller blinds and the usual fabric curtains? The main difference is in the design of both the curtains themselves and their fastening system. The material in such curtains is wound onto a roller in the form of a roll. Hence the name. At the bottom, the fabric is stretched onto a special bar, which is a weighting agent and prevents uneven sagging of the material. Thanks to this bar, the fabric is rolled up without deformation.
The composition of the fabric may vary: natural and synthetic, depending on the purpose and individual preferences. The most common material for making roller blinds is hard polyester. To change the structure of the fabric, inclusions of cotton or linen are allowed.
The rolling of the curtains can be controlled using a chain, a spring, or an electromechanical mechanism.
Roller blinds are already a decorative item for any room, both rolled up and unrolled. This type of curtains originates from blinds, which were intended for commercial premises. Gradually, such curtains began to "move" into residential buildings and rooms. Now this is the same option for decorating and decorating windows as other types of parterres.
They are distinguished by the fact that they are not subject to fading and shedding, are easy to use and maintain. Thanks to a special impregnation, they repel dirt.
Roller blinds for plastic windows are made according to standard sizes, corresponding to the standard in the manufacture of plastic windows. There are both ready-made curtains and those made to order. Standard roller blinds and their sizes will be discussed below.
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Roller blinds for plastic windows: standards
The main feature of fastening rolls to double-glazed windows is that the roller of curtains is installed on the frames themselves. With this fastening, the fabric of the curtains covers the window glass directly, which allows for more economical use of the fabric.
The most widespread are roller blinds of large dimensions, but the demand for small canvases has also increased significantly. Many manufacturers offer their products for small windows, so there is plenty to choose from.
When building typical urban housing, generally available standards for window and door openings are used. Builders are guided by current GOSTs.
Standard sizes of roller blinds for plastic windows can vary from 68 cm to 4.5 m in width. For a window in a city apartment, curtains measuring 200 cm by 175 cm are standard. If you need to purchase roller blinds for each window sash separately, the standard in this case will be 500 by 110 cm.
For a more accurate understanding of the standard sizes of roller blinds, you need to understand the standards by which plastic windows are manufactured. Experts point out that the concept of "standard" for double-glazed windows is rather vague. Different typical sizes for windows were used in different years.
GOSTs and SNiPs are subject to changes from year to year, and already built houses stand, and the windows in them are different! Nevertheless, let's consider in which buildings which standards were applied and are currently in effect.
If we talk about panel houses, the size of plastic windows here is 120/120 cm, less often 130/140 cm and more. The window is divided into two or three sashes of 60-70 cm.
If your apartment is in a Khrushchev-era building, you will have to focus on the length and depth of the window sill. For a window with three sashes, the standard dimensions are 2.04 m by 1.5 m. If there are two sashes, 1.45 m by 1.5 m. In houses of this era, there are also windows with small window sills. The dimensions in this case are as follows: 1.3 by 1.35 m or 2.4 by 1.35 m.
Most plastic windows for rooms in private houses or industrial premises are ordered according to individual measurements, so to purchase roller blinds you need to know exactly what window size to focus on. The maximum size of a non-standard plastic window can be made by the manufacturer in the dimensions of 420 by 420 cm. Below is a step-by-step instruction on how to take measurements from double-glazed windows for different designs of roller blinds as accurately as possible.
Calculate the dimensions yourself
To avoid possible mismatches between the sizes of your windows and roller blinds, you need to take careful measurements. Only then will the product you choose match the window opening as closely as possible and allow you to install the curtains on the frames as accurately as possible.
The easiest way to take the necessary measurements is with a handy measuring tape. It is best to measure the frame at several points in order to take into account all uneven areas and small distortions.
Important! Before you start taking measurements, you must take into account what kind of curtain system will be used, as well as the method of its attachment.
We take measurements.
- If the installation is to be done on a wall, measure the width of the opening, add 1 cm on all sides. This will avoid the appearance of gaps on the sides of the slopes.
Calculate the required size of the roller blind - We measure the height of the opening in the same way, adding another 5 cm to the result obtained. If the window has a protruding sill, the canvas should not touch it, we take this into account.
We measure the width and height of the glass and window sash - If the roller shutter is to be mounted in an opening, then 1-2 cm in height and width are subtracted from the obtained measurements.
We measure the depth of the glazing bead in order to determine which roller blind system will suit us best - When installing on a window frame, the initial measurement points should be located along the outer edges of the glass. Add another 4 cm to the height.
- If you are planning a vertical roller blind up to the floor with a ceiling mounting system, you need to measure the height of the wall to the ceiling, preferably taking into account the width of the cornice, if any. Do not forget that you will have to subtract 1-2 cm from this size to avoid contact of the canvas with the floor and its deformation.
The standard length of the canvas is 160-170 cm, cut to the desired length on site - If you need to attach a roller blind to only one window sash, measure its width from the outer edge to the handle. Subtract half a centimeter from the resulting value; this is necessary so that the edges of the fabric do not bend when the sash is opened. Subtract one to two centimeters from the length of the sash.
Determine the size of the roller blind on the window with a handle 
When choosing a ready-made roller blind for a balcony door, you need to take into account that its standard size is 68*215 cm
To ensure that roller blinds fit perfectly and last a long time, you need to take into account several important factors.
- type of fastening;
Options for mounting roller blinds - features of materials;
Variety of fabrics for roller blinds - the style in which the room is decorated;
Striped roller blinds look great in a country style kitchen - the level of illumination of the room and the level of transparency of the curtain material.
Most of these criteria are easy to find out, it is enough to carefully study the catalog of products provided by the curtain store. You can take measurements yourself. But if you are not confident in your abilities, it is better to involve specialists in measuring manipulations.
Roller blinds: types, kinds, examples
Roller blind systems are divided into:
- open;
- closed;
- mini cassettes;
- oversized;
- cassette;
- attic system;
- zebra system.
The first system is suitable for a standard plastic window size of 180 by 200 cm. The diameter of the winding roller is from 2.5 to 3 cm. Open-type roller blinds can be attached either to the wall above the slopes or to the window opening.
The closed type of construction has a more complex structure. In addition to the main components of roller blinds (fabric, winding shaft and lower vertical bar), the design includes a metal box that hides the twisted fabric from view and external contaminants.
The advantages of such a structure are:
- maximum tight fit of curtains to the window surface, even in the presence of drafts or when the window is open;
- longer service life of the roller shutter control mechanism, as the protective case prevents the mechanism from becoming unbalanced during frequent use.
Mini-cassettes are mounted inside the window on the frame. Such roller blinds are reflective structures. The roller on which the fabric is wound is in a protective aluminum case and has a diameter of 1.5 cm. Along the edges of the structure there is a guide system that protects the fabric from deformation and sagging. The peculiarity of the mini-cassette is that it can be opened together with the window sash, as it is attached directly to it.
Large-sized roll structures can be up to 3.5 meters wide and up to 4.5 meters high. The roller diameter of such a structure is from 3.5 to 7 cm. Roll fabrics of such sizes are used in industrial buildings, large offices, theaters and cinemas.
Cassette systems are similar to mini-cassette systems in their design, but there are several differences: they do not have a protective metal case for the roller and side guides for the canvas. This design looks more attractive in terms of cost. Cassettes are installed either on the frame itself (with this method, holes are drilled) or using brackets. The second method is only suitable for installation on an opening window.
Roller blinds for the attic are also designed on the principle of a cassette, only they are not rolled up by a chain, but by a spring mechanism. More powerful guides are installed on the sides of the canvas. Even weighted materials are suitable for such a design. Dense fabrics are ideal for achieving the effect of a "total eclipse".
Zebra roller blinds are designed in such a way that they regulate the lighting level in the room in one movement, without having to roll or unroll the fabric. The fabric in this system is cut into longitudinal strips arranged in two rows. Using a chain mechanism, the strips shift, allowing you to select the desired lighting.
Whatever systems, types, kinds of roller blinds you choose, they will perfectly emphasize any design and style of the room. It is only important to correctly determine the dimensions. Tightly fitting roller blinds always look attractive. If you deviate even slightly from the specified dimensions, the curtains will deform, allow gaps or bend when opening the windows.
Video: How to determine the size of a roller blind? Sizes of roller blinds for plastic windows.
50 photos of roller blinds of standard and non-standard sizes in the interior:
Where to find out how to choose the right size roller blinds for plastic windows
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