Casement Window Frame Vertical Weatherstrip Offset-L

BiltBest was a respected Missouri‑based window manufacturer known for pioneering wood‑clad innovations and high‑quality products from the 1950s until its closure in 2010, with replacement parts now supplied by successor specialists like BiltbestWindowParts - part of the AllWindowDoorParts Group USA - Casement and Awning Window  weatherstripping parts, sash and window frame weather Strip. NOTES: Standard colors today are Tan / beige. Wood and Clad Casement Frame Type Weather Seals.

The Vertical Frame weather strip comes in One Hundred Foot (100') Lineal Foot Rolls (Offset-L-Bubble Style) - SEE PICTURE. Utilized on many older wood and clad models. Installs into narrow kerf cut vertical frame track, flexible bulb acts as a mechanical seal with little resistance between sash and frame.