What Is Grout Caulk

Color Sil “Grout Caulk” is a 100% RTV Silicone Sealant. Available in a sanded texture or a satin finish, and color matched to all grout manufacturers. … Grout Caulk is especially ideal for areas that are subject to movement like showers, bathroom fixtures, counter top surfaces, tile/grout areas, and much more.

What is grout caulk used for?

Grout is only used to fill the joints between tiles, while caulk can seal seams in many spots—along baseboards and crown molding, on windows to stop leaks and drafts, and anywhere two construction materials meet, even on outdoor concrete.

Can I use grout instead of caulk?

This substance works well to join tile together and makes for a pretty, even finish. If you discover that grout was used in your home in places where caulk should have been, including along your tub’s edge or in corners, then you should remove it (or have a handyman do so) and replace it with caulk.