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Waterproofing & Uncoupling

Waterproofing & Uncoupling Membranes for Tile Installations

Waterproofing and uncoupling membranes are installed beneath tile to help manage moisture, isolate cracks, and reduce stress caused by substrate movement. This collection includes waterproofing membranes, uncoupling membranes, crack isolation membranes, shower pan liners, flashing tapes, waterproofing bands, sealants, pipe seals, and shower waterproofing accessories used for floors, walls, showers, bathrooms, and other wet-area tile installations.

Dallas Specialty Perma-Gard 40 mil PVC Shower Pan Liner

Dallas Specialty & MFG. Co.
Original price $18.94 - Original price $81.00
Original price
$18.94 - $81.00
$18.94 - $81.00
Current price $18.94
4.0ft | $5.40 / ft

40 mil Waterproof Shower Pan Liner Dallas Specialty® Perma-Gard 40 mil PVC Shower Pan Liner is a flexible polyvinyl chloride (PVC) membrane designe...

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Original price $18.94 - Original price $81.00
Original price
$18.94 - $81.00
$18.94 - $81.00
Current price $18.94
4.0ft | $5.40 / ft

GURU W-S Drain Flashing Set

GURU USA
Original price $43.93 - Original price $43.93
Original price
$43.93
$43.93 - $43.93
Current price $43.93

Watertight Shower Drain Connection The GURU® W-S Drain Flashing Set creates a waterproof connection between a shower drain and the surrounding wate...

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Original price $43.93 - Original price $43.93
Original price
$43.93
$43.93 - $43.93
Current price $43.93

wedi Subliner Dry Sealing Tape

Wedi
Original price $0.00 - Original price $0.00
Original price $0.00
$46.10
$46.10 - $46.10
Current price $46.10

Waterproof Sealing Tape for Sheet Membrane Seams wedi® Subliner Dry Sealing Tape is a tileable waterproof sheet membrane tape used to seal seams th...

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Original price $0.00 - Original price $0.00
Original price $0.00
$46.10
$46.10 - $46.10
Current price $46.10
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wedi Subliner Dry Corners

Wedi
Original price $0.00 - Original price $0.00
Original price $0.00
$16.27
$16.27 - $16.27
Current price $16.27

Prefabricated Waterproofing for Shower Corners wedi® Subliner Dry Corners are prefabricated membrane corners designed to waterproof inside and outs...

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Original price $0.00 - Original price $0.00
Original price $0.00
$16.27
$16.27 - $16.27
Current price $16.27

wedi Mixing Valve Seal

Wedi
Original price $0.00 - Original price $0.00
Original price $0.00
$15.14
$15.14 - $15.14
Current price $15.14

Waterproofing for Mixing Valve Penetrations The wedi® Mixing Valve Seal is a flexible waterproofing collar designed to seal around mixing valve pen...

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Original price $0.00 - Original price $0.00
Original price $0.00
$15.14
$15.14 - $15.14
Current price $15.14

GoBoard Waterproofing Membrane

GoBoard
Original price $98.85 - Original price $98.85
Original price
$98.85
$98.85 - $98.85
Current price $98.85

Waterproofing Membrane for Tile Installations GoBoard® Waterproofing Membrane is a polyethylene membrane with non-woven fabric facing on both sides...

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Original price $98.85 - Original price $98.85
Original price
$98.85
$98.85 - $98.85
Current price $98.85

wedi Subliner Dry Waterproof Sheet Membrane

Wedi
Original price $0.00 - Original price $0.00
Original price $0.00
$101.24 - $541.47
$101.24 - $541.47
Current price $101.24

Waterproof Sheet Membrane for Tile Installations wedi® Subliner Dry is a flexible, tileable sheet membrane for waterproofing interior walls and flo...

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Original price $0.00 - Original price $0.00
Original price $0.00
$101.24 - $541.47
$101.24 - $541.47
Current price $101.24

Nuheat Membrane

Nuheat
CONTRACTOR PRICING ELIGIBLE
Original price $148.73 - Original price $397.02
Original price
$148.73 - $397.02
$148.73 - $397.02
Current price $148.73
54.0ft2 | $2.75 / ft2

The Nuheat Membrane is a tile underlayment designed for uncoupling, crack isolation, vapor management, and installation of Nuheat heating cable. It...

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Original price $148.73 - Original price $397.02
Original price
$148.73 - $397.02
$148.73 - $397.02
Current price $148.73
54.0ft2 | $2.75 / ft2

wedi Subliner Dry Tub Sealing Tape

Wedi
Original price $0.00 - Original price $0.00
Original price $0.00
$54.24
$54.24 - $54.24
Current price $54.24

Waterproof Tub-to-Wall Transitions wedi® Subliner Dry Tub Sealing Tape is designed to waterproof the critical transition between acrylic or plastic...

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Original price $0.00 - Original price $0.00
Original price $0.00
$54.24
$54.24 - $54.24
Current price $54.24
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Nuheat Membrane Sheet

Nuheat
CONTRACTOR PRICING ELIGIBLE
Original price $35.00 - Original price $42.00
Original price
$35.00 - $42.00
$35.00 - $42.00
Current price $35.00

Nuheat® Membrane Sheet is a tile underlayment designed for uncoupling, crack isolation, vapor management, and Nuheat cable installation. The polypr...

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Original price $35.00 - Original price $42.00
Original price
$35.00 - $42.00
$35.00 - $42.00
Current price $35.00

wedi S-DRY Tape

Wedi
Original price $33.92 - Original price $33.92
Original price
$33.92
$33.92 - $33.92
Current price $33.92

Waterproofing Tape for Shower Transitions wedi® S-DRY™ Tape is made from S-DRY Membrane and is used to waterproof transitions between wall surfaces...

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Original price $33.92 - Original price $33.92
Original price
$33.92
$33.92 - $33.92
Current price $33.92

wedi S-DRY Sheet Waterproofing Membrane

Wedi
Original price $160.65 - Original price $176.80
Original price
$160.65 - $176.80
$160.65 - $176.80
Current price $160.65

Sheet Waterproofing for Shower Walls and Floors wedi® S-DRY™ is a sheet waterproofing membrane for wall and floor surfaces in wedi S-DRY Shower Sys...

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Original price $160.65 - Original price $176.80
Original price
$160.65 - $176.80
$160.65 - $176.80
Current price $160.65

wedi Vapor 85 Fastener Patch Kit

Wedi
Original price $0.00 - Original price $0.00
Original price $0.00
$21.92
$21.92 - $21.92
Current price $21.92

Fastener Patches for Vapor 85 Installations The wedi® Vapor 85 Fastener Patch Kit includes 100 pre-cut patches for covering fastener locations in w...

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Original price $0.00 - Original price $0.00
Original price $0.00
$21.92
$21.92 - $21.92
Current price $21.92

GURU W-S Corner Bench Kit

GURU USA
Original price $46.19 - Original price $46.19
Original price
$46.19
$46.19 - $46.19
Current price $46.19

Pre-Formed Waterproofing Corners for Shower Benches The GURU® W-S Corner Bench Kit includes pre-formed waterproofing corners for sealing inside and...

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Original price $46.19 - Original price $46.19
Original price
$46.19
$46.19 - $46.19
Current price $46.19
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HYDRO-BLOK Uncoupling Membrane

Hydro-Blok
Original price $0.00 - Original price $0.00
Original price $0.00
$475.00 - $775.00
$475.00 - $775.00
Current price $475.00

Tile Underlayment for Uncoupling, Crack Isolation and Waterproofing HYDRO-BLOK® Uncoupling Membrane is a high-performance tile underlayment designe...

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Original price $0.00 - Original price $0.00
Original price $0.00
$475.00 - $775.00
$475.00 - $775.00
Current price $475.00

GURU W-S Tub Waterproofing Kit

GURU USA
Original price $216.95 - Original price $216.95
Original price
$216.95
$216.95 - $216.95
Current price $216.95

Complete Waterproofing System for Tub Surrounds The GURU® W-S Tub Kit is a complete waterproofing system for tub surround and shower wall installat...

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Original price $216.95 - Original price $216.95
Original price
$216.95
$216.95 - $216.95
Current price $216.95

wedi S-DRY Shower Pipe Collar

Wedi
Original price $8.93 - Original price $8.93
Original price
$8.93
$8.93 - $8.93
Current price $8.93

Waterproof Seal Around Shower Pipe Protrusions wedi® S-DRY™ Shower Pipe Collar seals around 1/2" to 3/4" shower pipe and fixture protrusions in wed...

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Original price $8.93 - Original price $8.93
Original price
$8.93
$8.93 - $8.93
Current price $8.93
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wedi S-DRY 90° Inside Corner

Wedi
Original price $13.81 - Original price $13.81
Original price
$13.81
$13.81 - $13.81
Current price $13.81

Waterproofing for 90° Inside Shower Corners wedi® S-DRY™ 90° Inside Corner is a preformed waterproofing corner made from wedi S-DRY Membrane. It is...

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Original price $13.81 - Original price $13.81
Original price
$13.81
$13.81 - $13.81
Current price $13.81

Warmup DCM-PRO Fleece Back Membrane Sheets – 10 Sheet Box

WarmUp
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$216.60
$216.60 - $216.60
Current price $216.60

Warmup DCM-PRO Fleece Back Membrane is an uncoupling membrane designed for use with Warmup DCM-PRO electric radiant floor heating systems. The flee...

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Original price $0.00 - Original price $0.00
Original price $0.00
$216.60
$216.60 - $216.60
Current price $216.60

wedi Flooring Panel Kit

Wedi
Original price $0.00 - Original price $0.00
Original price $0.00
$206.54
$206.54 - $206.54
Current price $206.54

Waterproof Tile Underlayment for Bathroom Floors The wedi® Flooring Panel Kit provides a complete 40 sq. ft. waterproof underlayment system for til...

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Original price $0.00 - Original price $0.00
Original price $0.00
$206.54
$206.54 - $206.54
Current price $206.54

wedi S-DRY Mixing Valve Collar

Wedi
Original price $12.11 - Original price $12.11
Original price
$12.11
$12.11 - $12.11
Current price $12.11

Waterproof Seal Around Shower Mixing Valves The wedi® S-DRY™ Mixing Valve Collar seals around mixing valve penetrations in wedi S-DRY Shower System...

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Original price $12.11 - Original price $12.11
Original price
$12.11
$12.11 - $12.11
Current price $12.11

wedi S-DRY 135° Outside Corner

Wedi
Original price $14.45 - Original price $14.45
Original price
$14.45
$14.45 - $14.45
Current price $14.45

Waterproofing for 135° Outside Shower Corners wedi® S-DRY™ 135° Outside Corner is a preformed waterproofing accessory for 135-degree outside corner...

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Original price $14.45 - Original price $14.45
Original price
$14.45
$14.45 - $14.45
Current price $14.45
Sold out

wedi S-DRY 135° Inside Corner

Wedi
Original price $14.45 - Original price $14.45
Original price
$14.45
$14.45 - $14.45
Current price $14.45

Preformed 135° Corner Waterproofing The wedi® S-DRY™ 135° Inside Corner is a preformed waterproofing accessory for 135-degree inside corners within...

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Original price $14.45 - Original price $14.45
Original price
$14.45
$14.45 - $14.45
Current price $14.45
Sold out

wedi S-DRY 90° Outside Corner

Wedi
Original price $13.81 - Original price $13.81
Original price
$13.81
$13.81 - $13.81
Current price $13.81

Waterproofing for 90° Outside Shower Corners wedi® S-DRY™ 90° Outside Corner is a preformed waterproofing accessory for outside corners within 36" ...

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Original price $13.81 - Original price $13.81
Original price
$13.81
$13.81 - $13.81
Current price $13.81
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Waterproofing & Uncoupling Membranes for Tile & Shower Installations

Waterproofing and uncoupling membranes are installed beneath tile assemblies to help manage moisture, isolate substrate cracks, and reduce movement transfer between the substrate and finished tile surface. These systems are commonly used in showers, bathrooms, kitchens, laundry rooms, balconies, and other tile installations where moisture protection and crack prevention are important.

This collection includes waterproofing membranes, uncoupling membranes, crack isolation membranes, liquid waterproofing products, shower pan liners, flashing tapes, waterproofing bands, pipe seals, mixing valve seals, drain flashing components, and waterproofing accessories designed for residential and commercial tile installations.

Types of Waterproofing & Uncoupling Systems

  • Waterproofing Membranes: Installed beneath tile to help prevent moisture from reaching the substrate.
  • Uncoupling Membranes: Designed to reduce stress transfer from substrate movement into the tile assembly.
  • Crack Isolation Membranes: Help bridge minor substrate cracks and reduce the risk of tile and grout cracking.
  • Shower Pan Liners: Used to create waterproof shower floor assemblies beneath mortar beds and tile.
  • Waterproofing Tapes, Bands & Seals: Used to seal seams, corners, plumbing penetrations, and transitions within waterproofing systems.

Waterproofing for Showers & Wet Areas

Shower waterproofing systems commonly use membranes, waterproofing bands, inside and outside corners, pipe seals, mixing valve seals, drain flashing, and compatible sealants to create continuous moisture protection behind tile surfaces.

Uncoupling Membranes for Floors

Uncoupling membranes are frequently installed over concrete slabs, plywood subfloors, radiant heat systems, and other substrates where movement, expansion, or shrinkage could transfer stress into the tile installation.

Selecting the Right Waterproofing Membrane

Selecting the correct membrane depends on moisture exposure, substrate conditions, crack isolation requirements, radiant heat compatibility, installation location, and the type of tile assembly being constructed.

Frequently Asked Questions

What is the difference between a waterproofing membrane and an uncoupling membrane?
Waterproofing membranes are designed to block moisture, while uncoupling membranes are designed to reduce stress transfer from substrate movement into the tile assembly. Some products provide both functions.
When should a waterproofing membrane be installed under tile?
Waterproofing membranes are commonly installed in showers, bathrooms, laundry rooms, balconies, and other areas where moisture exposure is expected.
What does an uncoupling membrane do?
Uncoupling membranes help separate the tile assembly from minor substrate movement, reducing the risk of cracked tile and grout caused by expansion, contraction, or settling.
Can tile be installed directly over waterproofing membranes?
Most waterproofing membranes are designed to receive tile when installed with compatible thin-set mortar and according to manufacturer requirements.
Are waterproofing membranes required in showers?
Building codes and installation standards commonly require shower assemblies to include waterproofing systems that protect the structure from moisture intrusion.