how long should silastic to dry in a shower
Bottom Line. Experts such as NaturalHandyman.com recommend allowing fresh silicone caulk to dry overnight, at minimum. Allowing caulk to dry for 24 hours before using the shower will ensure that the caulk is cured and 100 percent waterproof.Even fast drying products should be given 3 to 12 hours to cure before using the shower.ast-curing silicone products such as G.E. Silicone II Kitchen and Bath Silicone caulk instruct users to allow the fresh caulk to dry for 1 hour before using the shower. Once dry, the silicone is waterproof, crack proof and shrink proof.