Tile grout sealant pen for home use, waterproofing and mildew-proofing tile grout sealing -- 6 pieces

Silicone sealant is designed to created a waterproof seal between two surfaces. Applying a silicone bead is a fairly straightforward process but it does require a certain amount of precision. From prepping the surface and using a sealant gun to smoothing, here is our step-by-step guide to applying silicone sealant.