Resource Type: Glossary Term

Material used around moving window or door parts to reduce air and water infiltration.

A small drainage opening in a window or door system that allows water to escape.

Water entering around a window, door, skylight, or storefront system.

A window that allows unwanted air movement through gaps, failed seals, or damaged components.

A replacement window installed into an existing opening with limited disruption to surrounding finishes.

A glass panel installed within a door slab or door system.

A door system connecting indoor and outdoor living spaces, often built as sliding glass doors or hinged glass doors.

A large glass door system with panels that slide horizontally, often connecting interior living areas to patios or yards.

A hinged window that opens outward from the bottom and is hinged at the top.