CRL 1/4" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Butyl Rubber Sealants Water Based and Intumescent (Expands

Water Based and Intumescent (Expands When Heated)

The CRL "Don Carlos" Lead Putty Knife has a forged steel blade set in a black wooden handle with lead inlay

*Smooth glazing to an angle that sheets water with a putty knife

fluid dispensing cutter that meets the standards of the professional glazier

CRL 1/4" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Butyl Rubber Sealants Water Based and Intumescent (ExpandsCompatible With Silicone, Butyl, Polyurethane, and Polysulfide Sealants UV Stabilized CRL Thermoplastic Rubber (TPR) Setting Blocks are compatible with almost anything, meaning you can use them in designs calling for the use of modern structural glazing sealants. They are formed of a 90 durometer shore hardness thermoplastic rubber that performs as well as traditional neoprene setting blocks. They are available in the most popular sizes of neoprene