Skip to content
Free Shipping on Most Orders $200 or More!
Free Shipping on Most Orders $200 or More!
Contact Us Shipping & Returns Ordering Information Order Status About Us Contractor Program

Waterproofing & Uncoupling Membrane

Tile Waterproofing & Uncoupling Membrane Systems

Explore our full range of premium membrane solutions designed for tile underlayment and crack isolation. This collection includes waterproofing membranes, uncoupling membranes, liquid waterproofing options, corner and pipe seals, banding, and underlayment rolls—perfect for protecting tile installations from moisture and substrate movement. Whether you're looking for a decoupling layer to reduce stress or a complete waterproofing system, we offer trusted products from leading brands like Wedi, GoBoard, USG, GURU, Dallas Specialty, Nuheat, SunTouch, Hydro-Blok, and Warmup. Shop reliable underlayment and waterproofing systems to ensure lasting performance and durability in every project.

Filters

Dallas Specialty 40Mil PVC Perma Gard Shower Pan Liner
Dallas Specialty 40Mil PVC Perma Gard Shower Pan Liner

Dallas Specialty 40mil PVC Shower Pan Liner

Dallas Specialty & MFG. Co.
$23.84 - $101.99
$23.84 - $101.99
$23.84 - $101.99
$23.84
126 in stock!

Dallas Specialty 40mil PVC Shower Pan Liner is a premium waterproof membrane designed to protect shower pans from leaks and water damage. Ideal for...

View full details
$23.84 - $101.99
$23.84 - $101.99
$23.84 - $101.99
$23.84
GoBoard 1/2" - 3/4" Pipe Collar Package, Front
GoBoard 1/2" - 3/4" Pipe Collar Save $1.37 Save $0.00

GoBoard® 1/2" - 3/4" Waterproof Pipe Collar

Johns Manville
$14.24
$14.24 - $14.24
$14.24
$12.87
$12.87 - $12.87
$12.87
21 in stock!

The GoBoard® 1/2" - 3/4" Waterproof Pipe Collar is engineered to seal pipe penetrations for shower heads in walls and ceilings before tile installa...

View full details
$14.24
$14.24 - $14.24
$14.24
$12.87
$12.87 - $12.87
$12.87
Save $1.37 Save $0.00
GoBoard Banding, 4-7/8" x 32'8", Side
GoBoard Banding, 4-7/8" x 32'8", Vertical Save $10.35 Save $0.00

GoBoard® Crack Isolation & Joint Waterproofing Banding

Johns Manville
$47.80
$47.80 - $47.80
$47.80
$37.45
$37.45 - $37.45
$37.45
16 in stock!

GoBoard® Banding is a flexible, lightweight waterproofing and crack isolation membrane designed specifically for contractors and tile installers. M...

View full details
$47.80
$47.80 - $47.80
$47.80
$37.45
$37.45 - $37.45
$37.45
Save $10.35 Save $0.00
GoBoard Curb Cover, 2-Pack, Back Side
GoBoard Curb Cover, 2-Pack, Front Side Save $4.04 Save $0.00

GoBoard® Curb Cover (2-Pack)

Johns Manville
$42.06
$42.06 - $42.06
$42.06
$38.02
$38.02 - $38.02
$38.02
26 in stock!

The GoBoard® Curb Cover provides a dependable waterproofing solution specifically designed for GoBoard curb installations. It effectively seals wal...

View full details
$42.06
$42.06 - $42.06
$42.06
$38.02
$38.02 - $38.02
$38.02
Save $4.04 Save $0.00
GoBoard 4-1/2" Mixing Valve Seal, Back
GoBoard 4-1/2" Mixing Valve Seal, Front
Save $1.73 Save $0.00

GoBoard® Mixing Valve Seal for Waterproofing Shower Valves

Johns Manville
$18.00
$18.00 - $18.00
$18.00
$16.27
$16.27 - $16.27
$16.27
32 in stock!

The GoBoard® Mixing Valve Seal is a critical waterproofing component designed specifically for sealing around shower mixing valves in GoBoard® wate...

View full details
$18.00
$18.00 - $18.00
$18.00
$16.27
$16.27 - $16.27
$16.27
Save $1.73 Save $0.00
GoBoard Waterproofing & Crack Isolation Membrane, 108 Sq Ft (3'3" x 33') Unpackaged
GoBoard Waterproofing & Crack Isolation Membrane, 108 Sq Ft (3'3" x 33') Slightly Unrolled
Save $24.10 Save $0.00

GoBoard® Waterproofing & Crack Isolation Membrane – 108 Sq Ft (3'3" x 33') for Tile Installers & Contractors

Johns Manville
$148.20
$148.20 - $148.20
$148.20
$124.10
$124.10 - $124.10
$124.10
16 in stock!

GoBoard® Waterproofing & Crack Isolation Membrane is a lightweight, flexible membrane engineered for professional contractors and tile installe...

View full details
$148.20
$148.20 - $148.20
$148.20
$124.10
$124.10 - $124.10
$124.10
Save $24.10 Save $0.00
GoBoard 2-IN-1 Inside Outside Corners, 2-Pack, Back Side
GoBoard 2-IN-1 Inside Outside Corners, 2-Pack, Front Side
Save $2.82 Save $0.00

GoBoard® Waterproofing Corner (2-Pack)

Johns Manville
$21.64
$21.64 - $21.64
$21.64
$18.82
$18.82 - $18.82
$18.82
11 in stock!

GoBoard® Corner is a pre-formed waterproofing accessory designed specifically to seal inside and outside corners in tile showers, steam rooms, and ...

View full details
$21.64
$21.64 - $21.64
$21.64
$18.82
$18.82 - $18.82
$18.82
Save $2.82 Save $0.00
Save up to $144.32 Save $0.00

GURU G-FLEX Uncoupling Membrane for Tile Underlayment & Waterproofing

GURU USA
$42.55 - $596.32
$42.55 - $596.32
$42.55
$31.80 - $452.00
$31.80 - $452.00
$31.80

GURU G-FLEX Uncoupling Membrane is a high-performance tile underlayment designed for tile installers and contractors seeking reliable crack isolati...

View full details
$42.55 - $596.32
$42.55 - $596.32
$42.55
$31.80 - $452.00
$31.80 - $452.00
$31.80
Save up to $144.32 Save $0.00
Guru Water-Stop Inside Corners product image
Gurus Water-Stop Inside & Outside Corners
Save up to $5.21 Save $0.00

GURU Inside & Outside Water-Stop Corners

GURU USA
$19.21
$19.21 - $19.21
$19.21
$14.00 - $16.75
$14.00 - $16.75
$14.00
25 in stock!

GURU USA's Water-Stop Inside & Outside Corners are designed to create a waterproof seal in shower corners. This 2-pack makes waterproofing easi...

View full details
$19.21
$19.21 - $19.21
$19.21
$14.00 - $16.75
$14.00 - $16.75
$14.00
Save up to $5.21 Save $0.00
GURU Water-Stop Waterproofing Band, 5-1/2" and 13-1/3" Side by Side
Save up to $18.34 Save $0.00

GURU W-S Band Waterproofing Reinforcement for Showers & Wet Areas

GURU USA
$58.30 - $133.16
$58.30 - $133.16
$58.30
$54.00 - $114.82
$54.00 - $114.82
$54.00
8 in stock!

GURU W-S Band Waterproofing Reinforcement is a trusted solution designed to securely complete waterproofing at critical floor-to-wall joints. Perfe...

View full details
$58.30 - $133.16
$58.30 - $133.16
$58.30
$54.00 - $114.82
$54.00 - $114.82
$54.00
Save up to $18.34 Save $0.00
Guru Water-Stop 4-1/2" Mixing Valve Seal Render
Save $0.77 Save $0.00

GURU W-S Mixing Valve Seal

GURU USA
$10.90
$10.90 - $10.90
$10.90
$10.13
$10.13 - $10.13
$10.13
19 in stock!

The GURU W-S Mixing Valve Seal provides contractors and tile installers with a durable, watertight solution to prevent leaks around shower mixing v...

View full details
$10.90
$10.90 - $10.90
$10.90
$10.13
$10.13 - $10.13
$10.13
Save $0.77 Save $0.00
GURU Water-Stop Tub Kit for bathtub waterproofing, sealing, and leak prevention in tub surrounds and wet areas
Save $40.35 Save $0.00

GURU W-S Tub Installation Kit

GURU USA
$243.35
$243.35 - $243.35
$243.35
$203.00
$203.00 - $203.00
$203.00
6 in stock!

The GURU Water-Stop Tub Kit is a complete waterproofing solution designed for professional tile installers and contractors. This tub installation k...

View full details
$243.35
$243.35 - $243.35
$243.35
$203.00
$203.00 - $203.00
$203.00
Save $40.35 Save $0.00
GURU Water-Stop Waterproofing Membrane Sheet, 26 sq ft
GURU Water-Stop Waterproofing Membrane Sheets
Save up to $25.86 Save $0.00

GURU W-S Waterproofing Membrane Sheet

GURU USA
$58.25 - $71.08
$58.25 - $71.08
$58.25
$37.97 - $45.22
$37.97 - $45.22
$37.97
6 in stock!

GURU Water-Stop Shower Waterproofing Membrane Sheet is a professional-grade waterproofing membrane designed for tile installers and contractors. Id...

View full details
$58.25 - $71.08
$58.25 - $71.08
$58.25
$37.97 - $45.22
$37.97 - $45.22
$37.97
Save up to $25.86 Save $0.00
GURU Water-Stop Drain Flashing Set
Save $5.23 Save $0.00

GURU Water-Stop Drain Flashing Set for Shower Waterproofing

GURU USA
$38.00
$38.00 - $38.00
$38.00
$32.77
$32.77 - $32.77
$32.77
9 in stock!

The GURU USA W-S Drain Flashing Set offers a seamless waterproofing solution designed for shower drain installations. Perfect for both new construc...

View full details
$38.00
$38.00 - $38.00
$38.00
$32.77
$32.77 - $32.77
$32.77
Save $5.23 Save $0.00
Guru Water-Stop Waterproofing Membrane 54 Sq Ft
Guru Water-Stop Waterproofing Membrane
Save up to $149.10 Save $0.00

GURU Water-Stop Waterproofing Membrane

GURU USA
$112.69 - $624.10
$112.69 - $624.10
$112.69
$95.00 - $475.00
$95.00 - $475.00
$95.00
32 in stock!

GURU Water-Stop Membrane is a professional-grade waterproofing membrane designed for tile installers and contractors to ensure effective shower wat...

View full details
$112.69 - $624.10
$112.69 - $624.10
$112.69
$95.00 - $475.00
$95.00 - $475.00
$95.00
Save up to $149.10 Save $0.00
Guru Water-Stop 3/4" Pipe Seal
GURU 3/4” Water-Stop Pipe Seal
Save $1.66 Save $0.00

GURU ¾” Water-Stop Pipe Seal

GURU USA
$9.55
$9.55 - $9.55
$9.55
$7.89
$7.89 - $7.89
$7.89
20 in stock!

The GURU USA ¾” W-S Pipe Seal is a professional-grade waterproofing accessory designed to create a reliable, watertight seal around ¾-inch shower p...

View full details
$9.55
$9.55 - $9.55
$9.55
$7.89
$7.89 - $7.89
$7.89
Save $1.66 Save $0.00
Hydro-Block 3/4" Pipe Seal - Waterproof Seal for Pipes
HYDRO-BLOK 3/4" Pipe Seal
Save $2.88 Save $0.00

HYDRO-BLOK® 3/4" Pipe Seal

Hydro-Blok
$13.14
$13.14 - $13.14
$13.14
$10.26
$10.26 - $10.26
$10.26
14 in stock!

The HYDRO-BLOK 3/4" Pipe Seal is designed to provide a reliable and durable seal for 3/4" inlet and outlet pipes in tile shower and tub installatio...

View full details
$13.14
$13.14 - $13.14
$13.14
$10.26
$10.26 - $10.26
$10.26
Save $2.88 Save $0.00
Hydro-Blok 4.5" Mixing Valve Seal - Waterproof Seal for Plumbing
Save $4.03 Save $0.00

HYDRO-BLOK® 4-1/2" Mixing Valve seal

Hydro-Blok
$18.39
$18.39 - $18.39
$18.39
$14.36
$14.36 - $14.36
$14.36
18 in stock!

The HYDRO-BLOK 4-1/2" Mixing Valve Seal is engineered to provide a secure, watertight seal for 4-1/2" mixing valve penetrations in tile shower and ...

View full details
$18.39
$18.39 - $18.39
$18.39
$14.36
$14.36 - $14.36
$14.36
Save $4.03 Save $0.00
HYDRO-BLOK Uncoupling Membrane Unrolled
HYDRO-BLOK Uncoupling Membrane Rolled Up
Save up to $194.91 Save $0.00

HYDRO-BLOK® Uncoupling Membrane

Hydro-Blok
$594.95 - $971.52
$594.95 - $971.52
$594.95
$476.00 - $776.61
$476.00 - $776.61
$476.00
18 in stock!

The HYDRO-BLOK® Uncoupling Membrane is a versatile tile underlayment designed specifically for ceramic and stone tile installation. This high-quali...

View full details
$594.95 - $971.52
$594.95 - $971.52
$594.95
$476.00 - $776.61
$476.00 - $776.61
$476.00
Save up to $194.91 Save $0.00
Save up to $46.72 Save $0.00

Nuheat Uncoupling Membrane

Nuheat
$170.63 - $457.72
$170.63 - $457.72
$170.63
$153.00 - $411.00
$153.00 - $411.00
$153.00
17 in stock!

Nuheat Membrane is a versatile tile underlayment designed for contractors and tile installers looking to simplify tile installation while protectin...

View full details
$170.63 - $457.72
$170.63 - $457.72
$170.63
$153.00 - $411.00
$153.00 - $411.00
$153.00
Save up to $46.72 Save $0.00
Save up to $4.06 Save $0.00

Nuheat Uncoupling Membrane Sheet

Nuheat
$30.57 - $40.62
$30.57 - $40.62
$30.57
$27.48 - $36.56
$27.48 - $36.56
$27.48
175 in stock!

Upgrade your floor installation with the Nuheat Uncoupling Membrane Sheets. This innovative solution is designed to create a strong, crack-resistan...

View full details
$30.57 - $40.62
$30.57 - $40.62
$30.57
$27.48 - $36.56
$27.48 - $36.56
$27.48
Save up to $4.06 Save $0.00
Save up to $1.94 Save $0.00

SunTouch HeatMatrix Uncoupling Membrane

SunTouch
$151.50 - $502.00
$151.50 - $502.00
$151.50
$149.56 - $504.57
$149.56 - $504.57
$149.56

The SunTouch HeatMatrix Uncoupling Membrane simplifies the installation of heating wires while offering added benefits like crack isolation, vapor ...

View full details
$151.50 - $502.00
$151.50 - $502.00
$151.50
$149.56 - $504.57
$149.56 - $504.57
$149.56
Save up to $1.94 Save $0.00
USG Durock Liquid Waterproofing & Crack Isolation Membrane, 1 Gallon

USG Durock Liquid Waterproofing & Crack Isolation Membrane

USG
$40.50 - $122.27
$40.50 - $122.27
$40.50 - $122.27
$40.50
198 in stock!

USG Durock™ Brand Liquid Waterproofing & Crack Isolation Membrane is a high-performance, ready-to-use acrylic polymer-based membrane designed f...

View full details
$40.50 - $122.27
$40.50 - $122.27
$40.50 - $122.27
$40.50
Warmup DCM-PRO Membrane
Save $19.90 Save $0.00

Warmup DCM-PRO Fleece Back Membrane Roll

WarmUp
$398.00
$398.00 - $398.00
$398.00
$378.10
$378.10 - $378.10
$378.10

The Warmup DCM-PRO Fleece-Back Membrane Roll is a premium uncoupling membrane designed for use with electric underfloor heating systems. Ideal for ...

View full details
$398.00
$398.00 - $398.00
$398.00
$378.10
$378.10 - $378.10
$378.10
Save $19.90 Save $0.00
Free Shipping

On Qualifying Orders of $200 or More!

Need Help?

Contact Us

Top Brands

Offering 40+ Brands

Returns

30 Day Returns