Our #1 pick for the best waterproofing membrane is Waterproofing Membrane 8mils Thick -54 Sq Ft – Waterproofing Polyethylene Fabric, Waterproof Membrane for Shower Walls, Bathroom Floors, Sauna and Steam Room – Click to See the Price

This waterproofing polyethylene membrane can extend the life of your bathroom’s walls, floor, and corners. This is a water-vapor impermeable product that’s ideal for wet area application. Apart from bathroom floors and shower stalls, it can be used in steam showers and saunas as well. It has an 8 mils-thick surface that is quite effective at preventing damage from water and moisture. 

The product is very flexible, so you won’t have problems with its application on rough surfaces – you can expect trouble-free installation. The surface folds and bends easily and allows direct application on a tile with an unmodified thin-set mortar. With no water build-up underneath your tiles, this quality polyethylene membrane provides long-lasting and cost-effective protection for your shower and bathroom.


Table of Contents:

Best Waterproofing Membrane for Shower

Best Waterproofing Membrane for Bathrooms

Best Waterproofing Membrane for Retaining Walls

Best Waterproofing Membrane for Foundation

Best Waterproofing Membrane for Concrete

Best Waterproofing Membrane for Decks


Best Waterproofing Membrane for Shower

Waterproofing Membrane for bathroom, shower, and tile flooring – Click to See the Price

This waterproofing membrane by Simplyhardware prevents the passage of water and vapor in showers and bathrooms. The polyethylene sheet (8 mils thick) is pliable and can be cut and folded easily. It has a low water vapor permeability that prevents water build-up underneath the tiles. 

This is a cost-effective product that can protect your bathroom and shower for years. It creates a strong bond with any unmodified thin-set mortar.

Best Waterproofing Membrane for Bathrooms

Gauti Band 4 mil Waterproofing Membrane (5 inches x 98.5 feet) Vapor Barrier to Waterproof Showers, Bathrooms, and Steam Rooms – Click to See the Price

The Gauiti Band Waterproofing Membrane is an excellent product if you need long-lasting protection for your bathroom walls. The high-quality polyethylene membrane spreads easily across the surfaces and creates a flexible and seamless membrane. The product creates a strong bond and a water-tight seal which prevents the passage of water and vapor. 

The Gauti Band Waterproofing Membrane is compatible with a wide range of adhesives and cementitious surfaces. After application, the chances of leaks in your bathrooms are reduced to a very low level. The product can be applied on a wet screed coat.

Best Waterproofing Membrane for Retaining Walls

Kohree Waterproofing Membrane Fabric, 6 Inch X 75 Foot Roll Anti-Fracture Membrane Fabric, Non-Woven Waterproof Fiberglass Mesh Tape for Bathroom Shower Walls, Floors, Tiles – Click to See the Price

Kohree Waterproofing Membrane provides strong protection from alkali, acid, corrosive chemicals, and acids. You can use this product to extend the life of your retaining walls, bathrooms, showers, steam rooms, joints, and corners. 

Expect excellent waterproof performance and the prevention of unexpected leaks. Kohree Waterproof Membrane is created with a high-quality non-woven fabric that won’t shrivel or wrinkle over time. 

Additionally, the product creates a strong bond with any liquid waterproofing membrane. Being cost-effective and easy to apply, the Kohree Waterproofing Membrane Fabric is widely used for remodeling projects.

Best Waterproofing Membrane for Foundation

MFM SubSeal40 Waterproof House Wrap – 40 mil (1, 36in.) – Click to See the Price

MFM SubSeal Waterproof House Wrap works excellently for foundation walls, balcony decks, parking garages, sils, and pony walls. It can also be used around windows and door frames. 

Leaking water can quickly damage your property. Using a product like MFM SubSeal Waterproof House Wrap can save you both time and money, as it’s specially designed to provide lasting protection from water on below-ground structures. It’s a prefabricated, seld-adhering sheet-type membrane that acts as a long-lasting and effective barrier between water and adjacent foundations. 

Best Waterproofing Membrane for Concrete

RadonSeal Plus Deep-Penetrating Concrete Sealer, Basement Waterproofing & Radon Mitigation in One | Seals Concrete Against Water, Vapor, and Radon Gas (5-Gallon) – Click to See the Price

RadonSeal Plus Deep-Penetrating Concrete Sealer is a waterproofing product that reduces water seepage and vapor inflow. The product works best with poured concrete, concrete blocks, and other cementitious surfaces. 

This is a powerful product that easily penetrates the surface and creates a strong bond with the matrix of the concrete. Use it to provide long-lasting protection for your basement floors, basement walls, garage floors, and slap-on-grade. RadonSeal Plus Deep-Penetrating Concrete Sealer permanently strengthens and hardens the surface and protects it from water vapor, soil gases, and capillary water. 

Additionally, this concrete sealer prevents damage from road salts, deicing chemicals, and freeze-thaw. This is a non-flammable and non-toxic product. It can also be used as a primer for epoxies, tiles, and overlay flooring. It’s not recommended for polished concrete, stained concrete, pavers, lightweight blocks, and modified hydraulic cement.

Best Waterproofing Membrane for Decks

Goberco Under Deck Drainage System – Z/50/16 – Each roll 50’ long, for 16’’ joist spacing, 30 mils thick black lldpe – Click to See the Price

The Goberco Under Deck Drainage System is a waterproofing membrane that provides protection for decks. The product works well with treated wood, cedar, and composite wood. Each roll is 30 millimeters thick and prevents decks from damage caused by seeping water, vapor, freezing-thaw, and mildew. 

What’s more, the product also provides lasting protection from insects and termites. Goberco Under Dreck Drainage System reduces cracking and splitting.