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Backer Board & Accessories

Tile Backer Board, Building Panels & Installation Accessories

Backer Board & Accessories provide substrates and installation components for preparing walls, floors, showers, and other surfaces for tile. Shop tile backer board, building panels, screws, washers, seam reinforcement, and fastening systems for compatible ceramic, porcelain, stone, and other tile installations.

GoBoard

GoBoard 1-1/4" Hi-Lo Fasteners for Wood Studs - 700 Pack

Corrosion-Resistant Tile Backer Board Screws for Wood Studs and Subfloors
Original price $44.16 - Original price $44.16
Original price
$44.16
$44.16 - $44.16
Current price $44.16
700.0item | $0.06 / item
In Stock
GoBoard

GoBoard 1-5/8" Hi-Lo Fasteners for Wood Studs - 550 Pack

Corrosion-Resistant Tile Backer Board Screws for Wood Studs and Subfloors
Original price $44.16 - Original price $44.16
Original price
$44.16
$44.16 - $44.16
Current price $44.16
550.0item | $0.08 / item
In Stock
GoBoard

GoBoard Seam Fabric

3" × 300' Polyester Joint Reinforcement for GoBoard Panels
Original price $23.00 - Original price $23.00
Original price
$23.00
$23.00 - $23.00
Current price $23.00
300.0ft | $0.08 / ft
In Stock
GoBoard

GoBoard Washers with Hi-Lo Fasteners for Wood Studs

100 Washers with 100 Hi-Lo Fasteners for Wood Framing
Original price $30.87 - Original price $30.87
Original price
$30.87
$30.87 - $30.87
Current price $30.87
In Stock
GURU USA

GURU W-S Waterproof Tile Backer Board

Waterproof XPS Foam Tile Backer Board for Showers and Wet Areas
Original price $246.00 - Original price $6,590.40
Original price
$246.00 - $6,590.40
$246.00 - $6,590.40
Current price $246.00
In Stock
Hydro-Blok

HYDRO-BLOK Screws & Washers Kit

Galvanized Wallboard Fasteners for Wood & Metal Framing
Original price $0.00 - Original price $0.00
Original price $0.00
$22.73
$22.73 - $22.73
Current price $22.73
In Stock
GURU USA

GURU Screw & Washer Set

Foam Board Fasteners for Wood Stud Framing
Original price $23.22 - Original price $23.22
Original price
$23.22
$23.22 - $23.22
Current price $23.22
In Stock
Wedi

wedi Fastener Kit

Screws and Tabbed Washers for wedi Building Panel Installation
Original price $0.00 - Original price $0.00
Original price $0.00
$36.88
$36.88 - $36.88
Current price $36.88
Only 1 Left
GoBoard

GoBoard 1-5/8" Self-Drilling Fasteners for Metal Studs - 550 Pack

Self-Drilling Tile Backer Board Screws for Metal Stud Framing
Original price $48.04 - Original price $48.04
Original price
$48.04
$48.04 - $48.04
Current price $48.04
550.0item | $0.09 / item
In Stock
GoBoard

GoBoard Washers with Self-Drilling Fasteners for Metal Studs

100-Count Steel Washer and Self-Drilling Fastener Kit
Original price $24.70 - Original price $24.70
Original price
$24.70
$24.70 - $24.70
Current price $24.70
In Stock
GoBoard

GoBoard Tile Backer Board

Lightweight Waterproof Foam Backer Board for Tile Installations
Original price $247.77 - Original price $2,275.62
Original price
$247.77 - $2,275.62
$247.77 - $2,275.62
Current price $247.77
7.0item | $35.40 / item
In Stock
GURU USA

GURU Galvanized Washers - 200 Pack

Tabbed Steel Washers for Water-Stop Foam Board Installation
Original price $27.76 - Original price $27.76
Original price
$27.76
$27.76 - $27.76
Current price $27.76
In Stock
GURU USA

GURU W-S Board Fastener Kit for Wood Studs

200 Coarse-Thread Tile Backer Board Fasteners for Wood Studs
Original price $14.77 - Original price $14.77
Original price
$14.77
$14.77 - $14.77
Current price $14.77
In Stock
Wedi

wedi Washer Master Pack

1-1/4" Tabbed Washers for Secure Panel Fastening
Original price $173.17 - Original price $173.17
Original price
$173.17
$173.17 - $173.17
Current price $173.17
Only 1 Left
Wedi

wedi Building Panels

Waterproof Foam Tile Backer Board for Walls, Floors & Wet Areas
Original price $2,013.00 - Original price $6,217.50
Original price
$2,013.00 - $6,217.50
$2,013.00 - $6,217.50
Current price $2,013.00
Available to Order
Wedi

wedi Self-Tapping Screws - 1-1/4", 100 Count

Ceramic-Coated Screws for Heavy-Gauge Metal Framing
Original price $28.02 - Original price $28.02
Original price
$28.02
$28.02 - $28.02
Current price $28.02
In Stock
Wedi

wedi Tabless Fastener Kit

Screw and Washer Kit for wedi Vapor 85 and Building Panels
Original price $0.00 - Original price $0.00
Original price $0.00
$41.38
$41.38 - $41.38
Current price $41.38
In Stock
Hydro-Blok

HYDRO-BLOK Wallboard Washers - 1,000 Piece Bucket

Galvanized Steel Washers for HYDRO-BLOK Wallboard Installation
Original price $0.00 - Original price $0.00
Original price $0.00
$156.15
$156.15 - $156.15
Current price $156.15
In Stock
Hydro-Blok

HYDRO-BLOK Waterproof Tile Backer Board

Lightweight Waterproof Shower Wall Panels for Tile and Stone
Original price $1,552.20 - Original price $5,042.00
Original price
$1,552.20 - $5,042.00
$1,552.20 - $5,042.00
Current price $1,552.20
Available to Order
Wedi

wedi Screws Master Pack - 1-5/8", 1000 Count

Ceramic-Coated Screws for wedi Building Panel Installation
Original price $113.35 - Original price $113.35
Original price
$113.35
$113.35 - $113.35
Current price $113.35
Only 1 Left
Wedi

wedi Building Panel 24" x 48" x 1/8" - 10 Sheets

1/8" Waterproof Foam Tile Backer Board - 10 Sheet Box
Original price $0.00 - Original price $0.00
Original price $0.00
$369.70
$369.70 - $369.70
Current price $369.70
Only 3 Left
Hydro-Blok

HYDRO-BLOK Wallboard Screws - 1-5/8" 1,000 Count

Corrosion-Resistant Screws for HYDRO-BLOK Wall Systems
Original price $0.00 - Original price $0.00
Original price $0.00
$68.72
$68.72 - $68.72
Current price $68.72
In Stock
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Backer Board & Accessories for Tile Installation

Backer Board & Accessories provide substrates and installation components for preparing walls, floors, showers, and other surfaces for tile. Tile backer boards and building panels create compatible surfaces for tile assemblies, while fasteners, washers, seam reinforcement, and related accessories help secure and connect panels according to the requirements of the selected system.

Backer board systems are available in different materials, thicknesses, and constructions for residential and commercial tile installations. The appropriate substrate depends on the installation area, supporting structure, moisture exposure, tile assembly, waterproofing requirements, and manufacturer specifications.

Types of Tile Backer Board & Accessories

Tile Backer Board

Tile backer board provides a substrate for compatible ceramic, porcelain, stone, and other tile installations. Available products include foam panels, cementitious boards, and other tile substrate systems for walls, floors, showers, tub surrounds, and additional applications. Panel material, thickness, rigidity, moisture performance, and installation requirements vary by product.

Foam Backer Board & Building Panels

Foam backer board and building panels provide lightweight substrate options for compatible tile assemblies. Depending on the product, panels can incorporate waterproof or moisture-resistant construction and can be used for shower walls, tub surrounds, floors, countertops, partitions, and other applications specified by the manufacturer.

Backer Board Screws & Fasteners

Backer board fasteners secure compatible panels to wood framing, metal framing, subfloors, or other approved supporting structures. Screw type, length, corrosion resistance, spacing, penetration, and substrate compatibility vary according to the panel and installation system. Fasteners should be selected according to the requirements of the specific backer board being installed.

Washers & Panel Fastening Systems

Washers and fastening systems can distribute fastening pressure across compatible foam boards and building panels while helping secure them to the supporting structure. Some panel systems require specific washers and screws as part of the approved installation method. Fastener and washer compatibility should be verified with the selected board.

Seam Reinforcement & Installation Accessories

Seam fabric, reinforcing materials, and other installation accessories are used with compatible backer board systems to treat panel joints, transitions, corners, and other areas of the substrate assembly. Required materials and installation methods vary depending on the board construction and whether the assembly also requires waterproofing.

Backer Board for Showers & Wet Areas

Tile backer board is commonly used as a substrate in showers, tub surrounds, and other wet-area installations, but moisture and waterproofing performance varies considerably between products. Some foam and building panels can provide a waterproof surface when their seams, fasteners, penetrations, and transitions are treated according to the manufacturer's system.

Other backer boards can provide a moisture-resistant tile substrate without serving as the waterproofing layer themselves. A board should therefore not be assumed to create a waterproof shower assembly simply because it is suitable for use in wet areas. Follow the manufacturer's requirements for membranes, seam treatment, fasteners, penetrations, and transitions.

Tile Backer Board for Walls & Floors

Backer boards can be used in compatible wall and floor tile assemblies where a suitable substrate is needed between the supporting structure and finished tile. Wall applications can include showers, tub surrounds, backsplashes, and other tiled surfaces, while approved floor panels can form part of tile underlayment assemblies over suitable subfloors.

Not every backer board is approved for every application. Panel thickness, framing or subfloor requirements, fastener spacing, joint treatment, bonding materials, and tile limitations should be checked before selecting a board for a particular wall or floor assembly.

Backer Board Fasteners & Panel Installation

The performance of a tile substrate depends on both the panel and the way it is attached and connected. Compatible screws, washers, seam reinforcement, adhesives, sealants, or other accessories can be required depending on the system. Using manufacturer-specified components helps maintain the intended attachment, joint treatment, and moisture-management characteristics of the assembly.

Choosing the Right Backer Board & Accessories

Choosing the right backer board and accessories starts with the installation area and supporting structure. Consider whether the application is a wall or floor, dry or wet area, the framing or subfloor material, required panel thickness, waterproofing method, tile assembly, and manufacturer specifications. Match screws, washers, seam materials, and other accessories to the selected panel system rather than assuming backer board components are universally interchangeable.

Frequently Asked Questions

What is backer board used for in tile installation?

Backer board provides a compatible substrate between the supporting structure and finished tile assembly. Depending on the product, it can be used on walls, floors, showers, tub surrounds, backsplashes, countertops, and other tiled surfaces. Approved applications and installation requirements vary by backer board type and manufacturer.

What is the difference between cement board and foam backer board?

Cement board uses a cementitious construction, while foam backer board uses a lightweight foam core with surfaces designed for compatible tile installation. Their weight, moisture performance, rigidity, thicknesses, fastening methods, and waterproofing requirements differ, so the appropriate board depends on the specific tile assembly and application.

Is tile backer board waterproof?

It depends on the product. Some backer boards are designed to form part of a waterproof assembly when seams, fasteners, penetrations, and transitions are properly treated. Other boards are suitable for wet areas but require a separate waterproofing system. Check the manufacturer's specifications rather than assuming all backer boards are waterproof.

What backer board is used for showers and wet areas?

Several types of tile backer board can be suitable for showers and wet areas, including compatible foam panels, cementitious boards, and other building panels. The correct product depends on the shower system and waterproofing method. Verify whether the selected board provides waterproofing itself or requires a separate membrane.

What fasteners are used for tile backer board?

Backer board should be installed with fasteners approved for the specific panel and supporting structure. Depending on the system, this can include corrosion-resistant backer board screws, specialized screws, and washers. Required fastener length, spacing, penetration, and compatibility with wood or metal framing vary by manufacturer.

Do backer board seams need to be treated?

Most backer board systems require specified treatment at panel joints, although the materials and methods vary. Depending on the board, seams can require reinforcing fabric, mesh tape, mortar, waterproofing bands, sealant, or another system-specific product. Wet-area installations can require additional waterproofing treatment at seams and transitions.

What thickness backer board should I use for tile?

Required backer board thickness depends on the product, application, supporting structure, framing or subfloor spacing, and tile assembly. Different thicknesses can be approved for walls, floors, countertops, or other applications. Follow the panel manufacturer's specifications rather than selecting thickness solely according to whether the installation is a wall or floor.

How do I choose the right backer board and accessories?

Start with the installation area, supporting structure, and moisture exposure. Compare panel material and thickness, approved applications, waterproofing requirements, and tile assembly. Then select compatible screws, washers, seam materials, and other accessories specified for that panel system rather than assuming components from different backer board systems are interchangeable.