CRL Off-White Wood Sash Putty - Quart Caulking & Urethane Heaters/Coolers and panels

and panels

Effectively increases the Sound Transmission Class (STC) value by as much as 65% by properly sealing partition openings

and ceramic

UL 1479 Firestops

Kits contain both Adhesive and Primer

CRL Off-White Wood Sash Putty - Quart Caulking & Urethane Heaters/Coolers and panelsHigh Quality Formulation for Face Glazing of Wood Sash Goes on Smooth and Evenly CRL Wood Sash Putty is formulated for application to wood. It goes on smooth and evenly, and its off white color blends with most unfinished wood surfaces. Surfaces should be clean, dry, and free of frost. For best results, prime wood first with an oil based primer. When re glazing, remove all old putty and bedding. If necessary, place glazing in hands and roll into coils