CRL 3/16" x 1-1/8" x 4" Silicone Rubber Setting Blocks Caulking Guns such as bathrooms and kitchens

such as bathrooms and kitchens

wipe clean

and stain resistant

Do not apply over damp or contaminated surfaces

and complete channel bedding

CRL 3/16" x 1-1/8" x 4" Silicone Rubber Setting Blocks Caulking Guns such as bathrooms and kitchensCompatible with, and Will Not Discolor, Most Silicone Sealants Can Be Used for Food and Computer Related Applications 80 Durometer Hardness These CRL Silicone Rubber Setting Blocks have superior durability, are U. V. resistant, and are compatible with most silicone sealants. They will not discolor the silicone should the two come in contact with each other. Job specific testing prior to start up is recommended with each silicone sealant manufacturer.