Caulking Professionals – Toronto & GTA Tips For Caulking Windows | Page 10

WINDOW CAULKING COMPOUNDS: WHICH ONE TO USE? Water-based foam sealant With 25% of expansion tendency, the water-based sealant can be used for window and door caulking. However, unlike silicone and polyurethane, it can only be applied to smaller cracks and for new constructions. It does not shrink and yields satisfactory to excellent results. Butyl Rubber Butyl rubber is an excellent caulking compound for your window as it can be effectively used for most contrasting surfaces. Be it glass, metal, plastic, wood or solid concrete, butyl rubber is the caulking compound for you. Latex Latex is also a good window caulking compound that is effective in filling cracks in tile, plaster, glass, and plastic. It can be used to fill the ugly looking nail holes. Latex is easy to use and is resistant to water once dry. You can paint it to merge it with the rest of your window frame.