Window Glossary

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There are 4 names in this directory beginning with the letter M.
Masterframe
The combination of the head, sill and jamb sections of a window.

Meeting rail
The part of a sliding glass door, a sliding window or a hung window where two panels meet and create a weather barrier.

Miter
To make a diagonal cut, beveled to a specific angle (usually 45°). Sometimes miter cuts are made into an overlapping siding or soffit panel surface, to provide a neater appearance.

Mylar
A weatherstripping material that is present where the sash frame meets the masterframe. Adds increased resistance to air infiltration.