Common Storm Window Sizes

October 11, 2010

Storm windows can improve the energy efficiency of your home and can be a better alternative to window replacement for some people. Storm windows are used with your existing windows, either on the inside or the outside. Storm windows come in a variety of different materials to suit your needs, and a large variety of storm window sizes are also available.

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Most Common Storm Windows Sizes

Because storm windows are used with existing windows, the common storm window sizes are the same as the size of home windows. Builders and architects may prefer a particular size of window, which would be standard for that housing development. Windows tend to come in half-foot increments, but there is no hard and fast rule. There are no standard window sizes for any particular type or style of window, though window manufacturers have their own standard sizes.

If you want to find out if there are common storm window sizes available to fit your home's windows, find out who manufactured your windows. If those windows are one of the manufacturer's standard sizes and that same manufacturer makes storm windows, you may be in luck. Otherwise you will either need to find another manufacturer with the same standard sizes or order custom-sized storm windows.

There are some common minimum sizes of all home windows because building codes require egress windows (windows that people can crawl through for emergencies) have openings of at least 24 inches wide and 20 inches high with a net clear opening of 5.7 square feet (ground-floor bedrooms only need 5 feet). And some particular styles of windows, such as casement windows, come in widths 24-30 and heights 48-56. Storm window sizes for casement windows would vary accordingly.

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