CRL Gray Metal Sash Putty - 5 Gallon Silicone Sealants Standard Building Code-SSBCCI) as reported

Standard Building Code-SSBCCI) as reported in the National Research Board Report No

Basic Uses - CRL 43S Silicone is especially designed for joining and sealing most non-porous building materials including a variety of structural materials: glass

medium modulus

Excellent Resistance to Ultraviolet

including cap beads

CRL Gray Metal Sash Putty - 5 Gallon Silicone Sealants Standard Building Code-SSBCCI) as reportedUse for Steel, Aluminum, or Galvanized Window Sash Apply Smoothly without Priming Made expressly for glazing in steel, aluminum or galvanized window sash. CRL Metal Sash Putty is made to apply smoothly, without priming. The gray color blends with the metal finish. Surfaces should be clean, dry, and free of frost. When re glazing, remove all old putty and bedding. If necessary, place glazing in hands and roll into coils to warm and soften. Smooth