All in all, we spent hundreds of hours combing through thousands of user reviews to put together a comprehensive list of the best shower underlayment on the market. We then delved into these shower underlayment further and put together detailed reviews so that you can easily pick the best shower underlayment for your needs.
Best shower underlayment
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Best shower underlayment reviews
1. USG Durock Shower System- Waterproofing Membrane 36" x 25' Roll
Feature
75 Square Foot Roll Shower Waterproofing UnderlaymentRoll Measures 36" wide x 25' long
.012" thickness makes install easy, with less buildup
Installs with Unmodified Thinset Mortar
Thin, pliable, tear-resistant material
Description
USG Durock Shower System Waterproofing Membrane is perfect for waterproofing custom walk-in showers where ceramic, porcelain, or natural stone will be installed. Tile shower waterproofing underlayment provides a completely waterproof barrier between the substrate and the installed tile when it is applied to code-approved substrates with unmodified thinset mortar. This membrane is a vapor retarder that is thin, pliable, and extremely durable. 75 square foot rolls measure 36" wide x 25' long and is installed using a 3/16" x 3/16" V-Notch, or 1/8" x 1/8" Square or U-Notch Trowel. This waterproofing membrane is only .012" thick, making installation easy without excessive buildup. Embed the membrane into the mortar that is applied to the substrate, with a finishing trowel or similar tool and work out any air bubbles. Make sure to overlap all adjoining sections a minimum of 2", to ensure a completely waterproof barrier. Price listed is for (1) 75 square foot roll of Durock Shower System Waterproofing Underlayment by USG.2. USG Durock Shower System- Waterproofing Membrane 36" x 100' Rolls
Feature
Roll Measures 36" wide x 100' long roll.012" thickness makes install easy, with less buildup
Installs with Unmodified Thinset Mortar
Thin, pliable, tear-resistant material
Description
USG Durock Shower System Waterproofing Membrane is perfect for waterproofing custom walk-in showers where ceramic, porcelain, or natural stone will be installed. Tile shower waterproofing underlayment provides a completely waterproof barrier between the substrate and the installed tile when it is applied to code-approved substrates with unmodified thinset mortar. This membrane is a vapor retarder that is thin, pliable, and extremely durable. Measure 36" wide x 100' long and is installed using a 3/16" x 3/16" V-Notch, or 1/8" x 1/8" Square or U-Notch Trowel. This waterproofing membrane is only .012" thick, making installation easy without excessive buildup. Embed the membrane into the mortar that is applied to the substrate, with a finishing trowel or similar tool and work out any air bubbles. Make sure to overlap all adjoining sections a minimum of 2", to ensure a completely waterproof barrier.3. USG Durock Shower System- Waterproofing Membrane 36" x 50' Roll
Feature
Roll Measures 36" wide x 50' long.012" thickness makes install easy, with less buildup
Installs with Unmodified Thinset Mortar
Thin, pliable, tear-resistant material
Description
USG Durock Shower System Waterproofing Membrane is perfect for waterproofing custom walk-in showers where ceramic, porcelain, or natural stone will be installed. Tile shower waterproofing underlayment provides a completely waterproof barrier between the substrate and the installed tile when it is applied to code-approved substrates with unmodified thinset mortar. This membrane is a vapor retarder that is thin, pliable, and extremely durable. Measure 36" wide x 50' long and is installed using a 3/16" x 3/16" V-Notch, or 1/8" x 1/8" Square or U-Notch Trowel. This waterproofing membrane is only .012" thick, making installation easy without excessive buildup. Embed the membrane into the mortar that is applied to the substrate, with a finishing trowel or similar tool and work out any air bubbles. Make sure to overlap all adjoining sections a minimum of 2", to ensure a completely waterproof barrier.4. USG Durock Shower System- Waterproofing Membrane 5" x 50' Roll
Description
USG Durock Shower System Waterproofing Membrane is perfect for waterproofing custom walk-in showers where ceramic, porcelain, or natural stone will be installed. Tile shower waterproofing underlayment provides a completely waterproof barrier between the substrate and the installed tile when it is applied to code-approved substrates with unmodified thinset mortar. This membrane is a vapor retarder that is thin, pliable, and extremely durable.5. Durabase XPS 48 in. x 4.5 in. x 3 in. Waterproof Shower Curb Underlayment
Feature
Can be cut to sizeUse with shower pans or mortar beds
Waterproof and vapor-retardant
Low profile curb that is more aesthetically pleasing as well as safer for use
Can be used with any shower pan or mortar bed installation
Description
The Durabase XPS shower curb is a tile-able XPS foam curb that is coated on all 4 sides with a waterproof proprietary blend of synthetic polymer mortar and an alkali resistant fiber mesh. This gives it a highly rigid structure and exceptional bonding strength. At only 3 inches the curb is aesthetically pleasing and also allows ease and safety upon entry into the shower. The Durabase XPS shower curb can be easily cut down or extended by using a second curb for a custom shower entry.6. Durabase Backer Board Screw and Washer Pack (120-Piece) for Shower Underlayment
Feature
Made from galvanized steelSpacing for installation at 16 in. horizontally and 12 in. vertically
Washer should be recessed in the board slightly and covered with urethane or Durabase WP Seam Tape for a watertight installation
Made in China
Made for use with the Durabase XPS Backer Board
Description
The Durabase screw and washer pack is for use with the Durabase XPS Waterproof Backer Board. They are used to quickly fasten the Durabase XPS backer board to the supporting studs. Each pack contains 120 screws and 120 washers.7. Uncoupling Membrane 1/8" Thick, 3.3 ft x 45.9 ft / 150 Square Feet, Uncoupling Membrane for Under Tile, Tile Underlayment Mat, Waterproofing, Anti-Fracture and Crack Isolation Membrane
Feature
A MUST-HAVE FOR YOUR TILE INSTALLATION - Uncoupling membranes have quickly become a necessity in the process of ceramic or stone tile installation as it keeps the tile from cracks and fractures. These are used to uncouple the tiles from the substrate and keep the stress or movement from reaching the tiles and is also a great barrier that keeps water and moisture from seeping through the substrates.PREVENT FRACTURES AND CRACKS - Some substrates like plaster or plasterboard lose their cohesive strength when they get wet, while wood substrate expands. This results in cracked tiles and grout and absolutely no one wants that happening in their homes! These underlayment mats were invented to absorb the movement of the substrates, stop the transfer of stress, pressure and movement to your tiles, preventing fractures and cracks.
EXCELLENT WATERPROOFING LAYER - Aside from uncoupling the tile from the substrate, these membranes also act as a great waterproofing layer that protects moisture-sensitive substrates like wood, metal or asphalt. This is also ideal for bathroom and shower floors, even for your sauna or steam rooms!
QUICK AND EASY TO USE - These uncoupling membrane rolls are lightweight and easy to carry, making them extremely easy to install using your standard tools. Its grid structure and anchoring fleece laminated on the underside bonds well to a modified thin-set mortar and tiles can be immediately installed over the uncoupling membrane. No need to wait for the mortar to cure. Fast, simple and hassle-free!
PROTECT YOUR HOME INVESTMENT - Nobody wants to install tiles over cracked floors but what guarantee do we have that your newly-built concrete floors won't have cracks or fractures years after? So to better protect your home, it's best that you take precautionary measures and use these uncoupling membranes for your lovely abode.
Description
Uncoupling Membrane 3.3 feet x 45.9 feet / 150 Square Feet - Tile Underlayment Mat - Waterproofing, Anti-fracture, Crack Isolation Membrane (1/8 inch thick)8. Schluter Kerdi 108 Sq Ft Waterproofing Membrane
Feature
Roll dimensions are 3' 3" x 33'KERDI is a pliable sheet-applied polyethylene waterproofing membrane and vapor retarder
Eliminates water damage which can lead to mold and mildew
Features an anchoring fleece on both sides to anchor the membrane in thin-set mortar
Ideal for waterproofing in conjunction with tiled surfaces on walls and floors
Description
Kerdi is a sheet-applied polyethylene waterproofing membrane and vapor retarder. Kerdi200/10M covers 108 sq. ft. and is ideal for waterproofing tiled tub surrounds and showers. This membrane features an anchoring fleece on both sides to anchor it in thin-set mortar. Kerdi eliminates water damage which can lead to mold and mildew. Roll dimensions are 3 ft. 3 in. x 33 ft. For commercial and residential use Installs easily with unmodified thin-set mortar (sold separately) Waterproofing for tiled shower walls and floors Covers 108 sq. ft.9. 3in1 Vapor Barrier Flooring Underlayment w/Overlap and pre-Attached Tape Strip - Bestlaminate- 2mm - Bundle 1,000sq.ft (10rolls @ 100 sf)
Feature
Price per 1000 sq.ft ( 10 rolls each 100sq.ft.)2mm 3in1 Construction. With a pre-attached self-sealing strip and plastic overlap, installation is a breeze!
Suitable for wood and cement subfloors
Great for laminate & engineered floating floors
Fast & Free Fedex Ground
Description
3in1 Blue Vapor Barrier Underlayment is universal and affordable. Suitable for all types of subfloor including cement subfloor. Ideal for for all flooring ranging from concrete slab, bamboo, floating and wood floors, or even laminates engineered hardwood! This underlayment is 2mm thick and will provide you with basic performance and moisture protection.10. Uncoupling Membrane 1/8" Thick, 3.3 ft x 98.5 ft / 323 Square Feet, Uncoupling Membrane for Under Tile, Tile Underlayment Mat, Waterproofing, Anti-Fracture and Crack Isolation Membrane
Feature
A MUST-HAVE FOR YOUR TILE INSTALLATION - Uncoupling membranes have quickly become a necessity in the process of ceramic or stone tile installation as it keeps the tile from cracks and fractures. These are used to uncouple the tiles from the substrate and keep the stress or movement from reaching the tiles and is also a great barrier that keeps water and moisture from seeping through the substrates.PREVENT FRACTURES AND CRACKS - Some substrates like plaster or plasterboard lose their cohesive strength when they get wet, while wood substrate expands. This results in cracked tiles and grout and absolutely no one wants that happening in their homes! These underlayment mats were invented to absorb the movement of the substrates, stop the transfer of stress, pressure and movement to your tiles, preventing fractures and cracks.
EXCELLENT WATERPROOFING LAYER - Aside from uncoupling the tile from the substrate, these membranes also act as a great waterproofing layer that protects moisture-sensitive substrates like wood, metal or asphalt. This is also ideal for bathroom and shower floors, even for your sauna or steam rooms!
QUICK AND EASY TO USE - These uncoupling membrane rolls are lightweight and easy to carry, making them extremely easy to install using your standard tools. Its grid structure and anchoring fleece laminated on the underside bonds well to a modified thin-set mortar and tiles can be immediately installed over the uncoupling membrane. No need to wait for the mortar to cure. Fast, simple and hassle-free!
PROTECT YOUR HOME INVESTMENT - Nobody wants to install tiles over cracked floors but what guarantee do we have that your newly-built concrete floors won't have cracks or fractures years after? So to better protect your home, it's best that you take precautionary measures and use these uncoupling membranes for your lovely abode.
