CRL M65W PermaWhite Polythane Construction Sealant - Cartridge Sealants As little as 1/2" (13

As little as 1/2" (13 mm) can effectively firestop the opening

Dow Corning®: 995

It bonds metals

provided that surfaces are clean

Do not apply to frost-laden or wet surfaces

CRL M65W PermaWhite Polythane Construction Sealant - Cartridge Sealants As little as 1/2" (13Advanced, Non Yellowing, One Part Smooth Finish Formula Primerless Adhesion on Most Common Construction Surfaces Low Odor No Isocyanates and Low VOC's CRL M65W is a high performance, medium modulus, fast curing, paintable, one component, moisture curing modified polyurethane sealant with advanced non yellowing formula and a smooth finish appearance. Contains no isocyanates and low VOC. Low odor for interior or exterior applications. M65's fast cure