Standard Sliding Window Sizes Sliding windows work very similarly to double-hung windows with the exception of the sashes sliding side-to-side rather than top-to-bottom.

Choosing standard window sizes can make buying new or replacement windows fast and easy. Standard window sizes are also usually less expensive, especially helpful if you are installing them. In ...

This document supplements the North American Fenestration Standard for Windows, Doors, and Skylight testing standards and is now available for purchase in the FGIA online store.