CRL Gray Metal Sash Putty - 5 Gallon Silicone Sealants or in designs that will

or in designs that will be painted after application of the sealant

ASTM C1311

and temperature extremes

CRL M64 Modified Polyurethane Construction Sealant is specially formulated to outperform traditional VOC solvent polyurethanes for sealing moving joints in concrete

Excellent Resistance to Ultraviolet

CRL Gray Metal Sash Putty - 5 Gallon Silicone Sealants or in designs that willUse 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