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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 40mil PVC Shower Pan Liner

Dallas Specialty & MFG. Co.
CONTRACTOR PRICING ELIGIBLE
Original price $23.84 - Original price $101.99
Original price
$23.84 - $101.99
$23.84 - $101.99
Current price $23.84

Dallas Specialty 40mil PVC Shower Pan Liner is a waterproofing membrane designed for installation beneath mortar beds in tile shower floors. The fl...

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Original price $23.84 - Original price $101.99
Original price
$23.84 - $101.99
$23.84 - $101.99
Current price $23.84

GURU W-S Drain Flashing Set

GURU USA
CONTRACTOR PRICING ELIGIBLE
Original price $43.93 - Original price $43.93
Original price
$43.93
$43.93 - $43.93
Current price $43.93

The GURU® W-S Drain Flashing Set is designed to create a waterproof connection between a shower drain and surrounding waterproofing membrane. It in...

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Original price $43.93 - Original price $43.93
Original price
$43.93
$43.93 - $43.93
Current price $43.93
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wedi Subliner Dry Sealing Tape

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$42.49
$42.49 - $42.49
Current price $42.49

wedi® Subliner Dry Sealing Tape is a tileable waterproofing band used to seal seams, overlaps, and transitions in waterproofing assemblies. It inst...

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Original price $0.00 - Original price $0.00
Original price $0.00
$42.49
$42.49 - $42.49
Current price $42.49
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wedi Mixing Valve Seal

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$15.37
$15.37 - $15.37
Current price $15.37

The wedi® Mixing Valve Seal is a waterproofing accessory designed for sealing mixing valve penetrations in shower and steam room wall assemblies. I...

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Original price $0.00 - Original price $0.00
Original price $0.00
$15.37
$15.37 - $15.37
Current price $15.37

GoBoard Waterproofing Membrane

GoBoard
CONTRACTOR PRICING ELIGIBLE
Original price $124.10 - Original price $124.10
Original price
$124.10
$124.10 - $124.10
Current price $124.10

GoBoard® Waterproofing Membrane is a polyethylene waterproofing membrane with non-woven fabric facing on both sides. It provides a waterproof subst...

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Original price $124.10 - Original price $124.10
Original price
$124.10
$124.10 - $124.10
Current price $124.10

wedi Subliner Dry Inside & Outside Corners

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$15.00
$15.00 - $15.00
Current price $15.00

wedi Subliner Dry Inside & Outside Corners are prefabricated waterproofing components designed to seal inside and outside corner transitions wi...

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Original price $0.00 - Original price $0.00
Original price $0.00
$15.00
$15.00 - $15.00
Current price $15.00

wedi Subliner Dry Waterproofing Membrane

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$95.98 - $499.40
$95.98 - $499.40
Current price $95.98

wedi® Subliner Dry Waterproofing Membrane is a sheet waterproofing membrane designed for interior walls and floors beneath ceramic tile, natural st...

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Original price $0.00 - Original price $0.00
Original price $0.00
$95.98 - $499.40
$95.98 - $499.40
Current price $95.98

Nuheat Membrane

Nuheat
CONTRACTOR PRICING ELIGIBLE
Original price $177.00 - Original price $476.00
Original price
$177.00 - $476.00
$177.00 - $476.00
Current price $177.00

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 $177.00 - Original price $476.00
Original price
$177.00 - $476.00
$177.00 - $476.00
Current price $177.00

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 Vapor 85 Fastener Patch Kit

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$20.12
$20.12 - $20.12
Current price $20.12

The wedi® Vapor 85 Fastener Patch Kit is designed to seal fastener penetrations in wedi Vapor 85 membranes. The patches are installed with wedi® Se...

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Original price $0.00 - Original price $0.00
Original price $0.00
$20.12
$20.12 - $20.12
Current price $20.12

HYDRO-BLOK Uncoupling Membrane

Hydro-Blok
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$475.00 - $775.00
$475.00 - $775.00
Current price $475.00

HYDRO-BLOK® Uncoupling Membrane is a tile underlayment designed for uncoupling, crack isolation, and waterproofing beneath tile installations. It s...

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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 Kit

GURU USA
CONTRACTOR PRICING ELIGIBLE
Original price $216.95 - Original price $216.95
Original price
$216.95
$216.95 - $216.95
Current price $216.95

The GURU W-S Tub Kit is a waterproofing system designed for tub surround and shower wall installations. The kit includes Water-Stop membrane, a mix...

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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 Tub Sealing Tape with Butyl Strip

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$48.20
$48.20 - $48.20
Current price $48.20

wedi® Subliner Dry Tub Tape with Butyl Strip is a waterproofing accessory designed for sealing tub-to-wall transitions in tiled assemblies. The int...

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Original price $0.00 - Original price $0.00
Original price $0.00
$48.20
$48.20 - $48.20
Current price $48.20

wedi S-DRY Shower Pipe Collar

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $10.50 - Original price $10.50
Original price
$10.50
$10.50 - $10.50
Current price $10.50

The wedi S-DRY Shower Pipe Collar is a preformed waterproofing collar designed to seal pipe penetrations in shower walls. Its flexible rubberized o...

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Original price $10.50 - Original price $10.50
Original price
$10.50
$10.50 - $10.50
Current price $10.50
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GURU W-S Corner Bench Kit

GURU USA
CONTRACTOR PRICING ELIGIBLE
Original price $46.19 - Original price $46.19
Original price
$46.19
$46.19 - $46.19
Current price $46.19

The GURU® W-S Corner Bench Kit includes pre-formed waterproofing corners for sealing inside and outside transitions on tiled shower bench assemblie...

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Original price $46.19 - Original price $46.19
Original price
$46.19
$46.19 - $46.19
Current price $46.19

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 Underlayment Kit

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $0.00 - Original price $0.00
Original price $0.00
$219.34
$219.34 - $219.34
Current price $219.34

The wedi® Underlayment Kit is a 40 sq ft waterproof flooring system designed for interior tile floor installations. The kit includes wedi building ...

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Original price $0.00 - Original price $0.00
Original price $0.00
$219.34
$219.34 - $219.34
Current price $219.34

wedi S-DRY Mixing Valve Collar

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $14.25 - Original price $14.25
Original price
$14.25
$14.25 - $14.25
Current price $14.25

The wedi S-DRY Mixing Valve Collar is a preformed waterproofing collar designed to seal around mixing valve penetrations in shower walls. Its flexi...

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Original price $14.25 - Original price $14.25
Original price
$14.25
$14.25 - $14.25
Current price $14.25

wedi S-DRY 135° Outside Corner

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00

The wedi S-DRY 135° Outside Corner is a preformed waterproofing corner designed for sealing 135° outside transitions in wedi S-DRY shower systems. ...

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Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00
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wedi S-DRY 135° Inside Corner

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00

The wedi S-DRY 135° Inside Corner is a preformed waterproofing corner designed for sealing 135° inside transitions in wedi S-DRY shower systems. It...

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Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00
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wedi S-DRY 90° Outside Corner

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $16.25 - Original price $16.25
Original price
$16.25
$16.25 - $16.25
Current price $16.25

The wedi S-DRY 90° Outside Corner is a preformed waterproofing component designed for sealing outside corners in wedi S-DRY shower systems. It is u...

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Original price $16.25 - Original price $16.25
Original price
$16.25
$16.25 - $16.25
Current price $16.25

wedi S-DRY 90° Inside Corner

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $16.25 - Original price $16.25
Original price
$16.25
$16.25 - $16.25
Current price $16.25

The wedi S-DRY 90° Inside Corner is a preformed waterproofing component designed for sealing inside corners in wedi S-DRY shower systems. It is use...

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Original price $16.25 - Original price $16.25
Original price
$16.25
$16.25 - $16.25
Current price $16.25

wedi S-DRY Tape

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $39.90 - Original price $39.90
Original price
$39.90
$39.90 - $39.90
Current price $39.90

The wedi S-DRY Tape is a waterproof seam tape used to seal seams, overlaps, and transitions in shower waterproofing installations. It is manufactur...

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Original price $39.90 - Original price $39.90
Original price
$39.90
$39.90 - $39.90
Current price $39.90

wedi S-DRY Waterproofing Membrane

Wedi
CONTRACTOR PRICING ELIGIBLE
Original price $189.00 - Original price $208.00
Original price
$189.00 - $208.00
$189.00 - $208.00
Current price $189.00

wedi S-DRY Waterproofing Membrane is a sheet-applied membrane designed for waterproofing shower walls, floors, and transitions. It creates a waterp...

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Original price $189.00 - Original price $208.00
Original price
$189.00 - $208.00
$189.00 - $208.00
Current price $189.00
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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.