Waterproof Material For Bathroom Cabinets There are many waterproof bathroom cabinet materials on the market that can keep your cabinets dry and free of water damage. Some materials are more expensive than others, but they all have their pros and cons. Some of the most popular waterproof bathroom cabinet materials are silicone, acrylic, and vinyl. Silicone is the cheapest option, but it doesn't last as long as other materials. Acrylic is a good compromise because it's durable but also affordable. There are many materials that can be used to make bathroom cabinets waterproof. One of the most popular options is a sealant. Sealants are available in a variety of colors and can be applied to the cabinet's surface using a brush, roller, or spray. Some sealants are also removable, so they can be replaced if they start to peel or chip away.