DAP KWIK SEAL ULTRAâ„¢ is a high performance, premium siliconized kitchen and bath sealant that repels water, stains and dirt so the sealant stays looking clean, fresh and new. It has stain proof protection and is guaranteed to stay mold and mildew free for the life of the sealant. It can be exposed to water in as little as 4 hours after application without washing out, putting the area in service sooner. KWIK SEAL ULTRAâ„¢ is 100% waterproof and crack proof, applies easily and smoothly, is low in odor, safe for granite and marble and cleans up water. Interior use.