Window capping

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In building construction, window capping refers to the application of one material over another to provide a weather-proof layer, intended to control the infiltration of weather elements.

Window capping does need to provide a water-proof condition that protects the original materials. This control element must serve to safely direct water or wind in order to control run-off and prevent infiltration into the window structure. Cladding applied to windows is often referred to as window capping.

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