uPVC Window Measurements

uPVC Windows

uPVC Window Measurements

uPVC Window Measurements in the Price Calculator

In order to calculate the price of your selected uPVC windows, please enter the following:

measurements in millimetres (height * width)

Limitations for height and width are given below the input boxes. After you enter the required uPVC window measurements, you will see the price of a standard uPVC window of your choice. Later you can change the specifications of your selected uPVC windows by using different options shown in the price calculator, and see the price difference.
Note:
Below is a detailed instruction of how to measure uPVC windows. However, we strongly advise you to call a specialist to take measurements for you. If you need information on non-standard sized uPVC windows or wish a specialist to take the uPVC window measurements for you, please contact our staff. Send us an e-mail Inquire about uPVC window measurements

Importance of Accurate uPVC Window Measurements

uPVC window measurements should be taken carefully. Before ordering new uPVC windows, it is important to accurately measure the height and width of the window opening. It is also important to check if the angles of the opening are all 90 degrees. If the new uPVC window is too small or too large for the existing window opening, this may harm its heat and sound insulation properties. The uPVC window construction may ...Read more undergo unequal pressure and eventually fail. Even if you choose the best available uPVC windows but do not know how to measure windows correctly, their benefits cannot be fully enjoyed. You should also take into consideration the following aspects:

1. Note the size limitations for uPVC window height and width and try not to get too close. For example, a single-pane tilt and turn window can be no larger than 1400 x 1500 mm, because then there is a risk of uPVC window subsiding and problems in opening /closing of the uPVC window. If the measurements of your required uPVC window are close to the maximum dimensions, it is advisable to consider alternative uPVC window options. This way you can avoid possible problems in the future.
2. Choose the right size of gaps around the uPVC window (between the uPVC window and window opening).
3. Make sure that there is a safe way to carry the uPVC windows of your chosen size to the window opening (whether they will fit through the entrance door and interior doors).
4. Choose interior and exterior window sills of the right length, if they are to be used.

Only when uPVC window measurements are taken correctly can you be sure that the uPVC windows will be durable, provide the best heat and sound insulation, prevent burglaries, etc. Before signing the agreement, the customer has to specify the exact amount and measurements of uPVC windows, window sills and other accessories that he/she intends to buy (the measurements are revised by our staff), as well as to indicate whether the uPVC windows are to be installed by our staff, the preferred installation method, if there is such, and other interior finish if the customer orders it. Hide

How to Measure uPVC Windows

If you decide to take uPVC window measurements on your own, here are some basic rules for doing this:

It is the window measurements that should be entered in the price calculator. However, it is convenient to measure the window opening first and then subtract the width of gaps needed for insulation.
Height and width of the window opening have to be measured in three locations: height of the opening is measured on the left side, in the centre and on the right side; width of the opening is measured at the top, central part and at the bottom. This is done in case the window opening is warped.
It is important to determine whether the window opening is a rectangle (all the angles are 90 degrees). For this purpose you can use a spirit level or another tool. Alternatively, you can measure the two diagonals of the window opening and compare them. If the diagonals do not match, the window opening is not a rectangle and this must be marked in the draft.
Gaps between the uPVC window and window opening must be at least 15 mm wide on each of the four sides; this will be used for insulation.
uPVC window handing has to be clearly indicated in the draft. uPVC windows may be left-handed, right-handed, awning or tilting, or a combination of these. Depending on the selected uPVC window profile, there is a possibility to choose inward-opening and outward-opening uPVC windows.

It is also important to plan the following:

The method to be used when installing uPVC windows, whether it is drilling through the frame or using cleats to fix the uPVC window in the window opening.
Whether the project includes window sills or not.
The correct width of gaps between the uPVC window and window opening so that to insert insulating foam. This is calculated according to the selected installation technique and building requirements.
As was already mentioned, it is important to pay special attention to the size limitations of uPVC windows in order to prevent any future problems like difficult opening / closing, glass fracture or profile warping.

Following these rules you will have the correct measurements for uPVC windows which will prevent cold bridges, provide a sufficient sound insulation, remove any critical static load, prevent burglary attempts and stay the same for many years. Specific details of how to measure uPVC windows are given in the next section.

uPVC Window Measuring Step by Step

1. Measure the height and width of the aperture. Each dimension has to be measured three times: height is measured on the left side, in the centre and on the right side; width is measured at the top, central part and at the bottom. The smallest of the three measurements is registered.
2. Determine the size of uPVC windows that you need. Consider the width of gaps to be left around the perimeter (which will be used for inserting sealant) and note down the uPVC window measurements in millimetres.
3. Check whether the window opening is a rectangle (all angles have to be 90 degrees). You can use a spirit level or another tool. Alternatively, you can measure the two diagonals of the window opening and compare them.

Figure 1 Measuring the uPVC window aperture

Measuring the uPVC window aperture

4. Indicate the handing and opening direction of your chosen uPVC window (whether opening inwards or outwards). For example, you are looking from the inside of the room, uPVC window opens inwards and the handle is on the left. Use a solid line to indicate an inward-opening uPVC window (looking from the inside). Use a dotted line to indicate an outward-opening uPVC window (looking from the outside).

Figure 2 Indicating uPVC window opening type

Indicating uPVC window opening type

5. When taking measurements for uPVC doors, you should keep in mind the standard door sizes and adjust your measurements accordingly. Additionally, floor level should be indicated. Responsibility for accurate uPVC door measurements and floor level marking is carried by the foreman who is carrying out the installation. A mark should be made 1 metre above floor level (marked OFF). 1 metre mark should be made in all rooms where uPVC windows and doors are to be installed. Measurements should be taken using a laser measuring device or another accurate measuring device.

Figure 3 Indicating one metre level

Indicating one metre level

6. Tolerable inaccuracies. There are certain tolerable inaccuracies while taking measurements. Measurements of uPVC window aperture can be +-12 mm, while the total inaccuracy can be up to 24 mm. Measurements of uPVC windows can be +-2 mm, while the total inaccuracy can be up to 4 mm.

Figure 4 Tolerable inaccuracies for uPVC window aperture

Tolerable inaccuracies for uPVC window aperture

Figure 5 Tolerable inaccuracies for uPVC windows

Tolerable inaccuracies for uPVC windows

The width of the gap between uPVC window and aperture may be different in each individual case; this is determined by the type of aperture and the type of sealant used, namely the expansion rate, indicated by the manufacturer.

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