Tile grout sealant pen, waterproof, moisture-proof, for everyday home use, filling and securing grout lines, elegant and durable -- 50g (25g2)

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.