HardieBacker 0.42-in Fiber Cement Backer Board, 36 x 60 in

Durable, water-resistant fiber cement backer board for tile and stone installations in wet areas. Sized 36 in x 60 in with a 0.42-in thickness, it provides a stable, mold-resistant substrate ideal for bathrooms, kitchens, and laundry rooms.

Key Features:

• Moisture and Mold Resistance: Fiber cement composition resists water damage for long-lasting tile installations
• Rigid, Stable Substrate: Minimizes flex for improved tile adhesion and reduced cracking
• Versatile Application: Suitable for floors, walls, and countertops in wet or dry areas
• Easy to Score and Snap: Grid surface aids straight cuts for faster installation
• Thin Profile: 0.42-in thickness fits remodels without significantly raising floor heights

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Can this be used in wet areas like showers?
A: Yes. It’s designed as a water-resistant backer board for tile in wet areas when installed per manufacturer guidelines with proper waterproofing.

Q: How is it cut?
A: Score along a straightedge and snap, or use a carbide-tipped scoring tool; holes can be drilled with carbide bits.

Q: What fasteners should I use?
A: Use corrosion-resistant backer board screws or approved nails per James Hardie installation instructions.

Q: Do I need waterproofing over the board?
A: Yes. Use a liquid-applied or sheet membrane as specified by local code and the installation guide for shower and wet wall applications.

Q: Is it suitable for floors under tile?
A: Yes, install over suitable subfloor using thinset and approved fasteners per the installation guide.

The Seamless Foundation for Elevated Tilework

This backer board creates a pristine, unwavering canvas that lets tile sing—crisp lines, richer grout reveals, and a finish that feels impeccably tailored. I love the subtle grid texture; it guides precision cuts so layouts look intentional and architectural. Pair it with large-format porcelain and a whisper-thin grout for a spa-worthy bath. It’s the quiet luxury essential beneath every stunning surface.

Build a lasting, water-ready base for your next tile project—add HardieBacker to your cart and install with confidence.

Installation