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New Window Sizing Instructions


Accurate pricing and ordering of the right-sized replacement windows necessitate precise measurements. If you get them too small, you’ll have to be creative with the fit, which could lead to complications. You’re in a lot of trouble if you order them too big.

Although taking accurate measurements can seem monumental, it’s relatively easy for most window types. The size of each window is determined by taking a reading from the exterior. Always specify your windows’ width and height when placing an order. Listing the frame’s breadth before its peak is customary in the double-glazing trade. Violating this practice could lead to misunderstandings.

Slanted panes

To replace old wooden windows with newer, more energy-efficient ones, or uPVC ones, measure their width first, then their height. Determine the breadth by taking three readings. The process is simple. To begin, brick by brick, measure from the upper right to the upper left. Next, measure the same distance from left to right in the center of the window, just above the locking mechanism, and then again at the bottom.

It would be best to chip away some of the rendered or pebble dash covering your property to expose the brick underneath. For houses with cladding, you’ll need to gently pry out the cladding to expose the frame so you can measure it accurately.

When you take your measurements, you can find that they vary by a tenth or so from one another. Since bricks are typically laid unevenly, this is to be expected. This is in no way indicative of the accuracy of your measurements! Sealing and clearance tolerances necessitate a reduction of 10mm from the tightest dimension. Have a width of this.

The height is more difficult to measure, and your method will vary depending on whether or not your window has a windowsill. If so, the size must be determined by measuring from the top of the present window frame or the head drip to the base of the sill. The sill will be subtracted from the final height by the manufacturer.

Again, you’ll need to take three readings: one on the left, one in the center, and one on the right. The new window can be created with or without a sill, depending on whether or not the original window has a sill and rests on concrete. Again, use the smallest measurement and subtract 10mm if the window is set into a concrete sill or simply 5mm otherwise. That’s how tall you are.

In addition to the width and height, you’ll also need to measure the thickness of your current uPVC window units if you plan on replacing them. This is because replacement units cannot be easily installed if their thickness differs from the originals. Glazing bars, which may be installed externally for externally glazed windows or internally for internally glazed windows, must be removed to obtain accurate measurements of the window’s height and width.

Arched glass panels

Following the procedures above to measure a flat window is something everyone can accomplish, but measuring a curved or rectangular bay window is something that calls for more expertise. Before placing an order, professional surveyors should take accurate measurements. However, if you wish to measure to acquire a price quote, you can do so by following the steps outlined below.

Bay windows are measured in the same way as regular windows. The width and height of each window pane make up the total dimensions of a bay window. Everyone will be the same height.

The width, height, and number of facets must be considered when installing or replacing a bow window. A bow window must conform to the opening’s breadth because the individual panes will all be the same proportions.

If you follow the guidelines above, you will have no trouble measuring for new windows.

M. Ruthe has made a website to aid those having issues with their windows. Visit this site for comprehensive guidance on window maintenance and replacement.

Read also: The Ultimate Guide to Finding Reliable Painters for Your Home.