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HardieBacker® Cement Board

Help prevent underlayment mold and moisture damage in wet areas by installing HardieBacker 1/4 in. or HardieBacker 500 cement board. You'll get superior performance with a limited lifetime warranty.

Damp areas, such as bathrooms and kitchens, require high-performance products. Choosing HardieBacker cement board will help ensure that these high-traffic spaces are protected when they get wet.
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HardieBacker® Cement Board
1/4 IN. CEMENT BOARD
This light, easy-to-cut, no-mesh board features our exclusive EZ Grid® recessed fastener pattern, making installation even easier.
DESIGN ADVICE: Perfect for floors and countertops.
Thickness:
0.25"
Lengths:
Widths:
59.938"
35.938"
60"
36"
96"
48"
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HardieBacker® Cement Board
500 CEMENT BOARD
HardieBacker 500 cement board delivers superior underlayment protection against moisture damage and mold growth.
DESIGN ADVICE: An ideal choice for walls and floors.
Thickness:
0.42"
Lengths:
Widths:
59.938"
31.938"
60"
36"
96"
48"

Installation Series

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HardieBacker cement board is our choice for wet area walls and floors. Its Moldblock™ technology ensures durability and a commitment to quality we can trust.
SEBASTIAN LOMBARDO of Lombardo Homes in Shelby Township, Michigan.

Moisture Protection

Containing no paper facing (which serves as a food source for mold) or gypsum (which can disintegrate with continuous moisture exposure), HardieBacker 500 cement board is perfect for wet-area walls.

HardieBacker 500 is ideal beneath tile in a shower or behind a tile backsplash. Its smooth surface can also be painted or wallpapered.
Go ahead and create a relaxing, beautiful space. You can count on HardieBacker cement board to do the tough behind-the-scenes work.
Composed of 90% Portland cement and ground sand, HardieBacker cement board contains no asbestos, glass mesh, formaldehyde, or gypsum.

HardieBacker cement board can be used in place of regular drywall, gypsum boards, glass mesh cement boards, and "floated" walls/floors