This is our most popular sealant! CRL 33S Silicone is a high quality sealant that delivers the performance you demand at a competitive price. It is a one component, room temperature curing, acetic cure, 100% silicone elastomer that does not require the addition of activators, stabilizers, or catalysts to achieve optimum performance.
Product Warning: Not recommended for structural glazing or insulating glass glazing, concrete and stone expansion joints, horizontal decks, patios, driveway or terrace joints where abrasion is possible. Not recommended for surfaces with special protective or cosmetic coatings such as mirrors, reflective glass, polyethylene or polypropylene surfaces. Not recommended for use on concrete, marble, limestone, lead coated surfaces, submerged joints (swimming pools), plazas, decks, pavements, etc. Remove all old sealant before applying new. Not suitable for painting. Check cartridge label and Specification Data Sheet for additional limitations.
Our Best-Selling Silicone with Special Additives to Resist Mold and Mildew | Plastic Cartridges with Screw-On Nozzles | 24 Month Shelf Life*
