CRL 22C Clear: Use as either an adhesive or sealant. High tensile strength withstands the effects of even the harshest weather. Repairs household items. 22AL Aluminum: Use this to repair rain gutters, storm windows, patio doors, and metal awnings. It is an excellent seam sealer for aluminum window joints and mobile home panels. 22BL Black: Seals and repairs many rubber items in autos. Stops leaks in doors and windows, or trunk lid gaskets. 22W White: Our mildew-resistant formula caulks bathtubs, sinks, tile, and shower stalls. 55RED: High-Temp up to 600°F (315°C) Silicone Gasket sealant for resisting high temperature applications and makes in-place seals for so many automotive uses. Resists the effects of heat, regular and synthetic oils, grease, antifreeze, and transmission fluid.