Bathroom would require applications of water proofing on the wall and floor to prevent water, formation of mold and mildew on the wall and floor. Step-by-step guide to waterproofing a bathroom Materials Needed
Waterproofing membrane or paint
Primer
Sealant
Waterproof tape
Brush or roller
Trowel
Screed
Silicon sealant
Tile adhesive (if tiling) Steps to follow: 1.