Mosaic crystal grout, tile sealant, waterproof and mildew-proof, for crafts -- 30g + gloves + scraper + sponge -- BIEMMEDUE

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.