HardieBacker 1/4-in Fiber Cement Backer Board, 4-ft x 8-ft

A durable fiber cement backer board designed for floors and countertops in moisture-prone areas. The 0.25-in thick, 4-ft x 8-ft sheet features MoldBlock technology, is waterproof throughout, and delivers excellent tile adhesion for long-lasting installations.

Key Features:

• Waterproof Construction: 100% waterproof composition protects the entire board in wet areas
• Mold Protection: MoldBlock technology resists mold and mildew damage
• Easy Cutting & Handling: Score-and-snap design reduces dust and simplifies on-site sizing
• Strong Tile Adhesion: Fiber cement build with Portland cement and sand provides a stable substrate
• Versatile Use: Ideal under tile, vinyl, wood, granite, and other stone on floors and countertops

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Can this board be used on shower walls?
A: No. For shower walls, use HardieBacker with HydroDefense technology or follow local code-approved waterproofing systems.

Q: How do I cut the board?
A: Use the score-and-snap method with a carbide scoring knife for clean cuts and minimal dust.

Q: Is additional waterproofing required?
A: Consult local building codes. The board is waterproof throughout, but assemblies may require waterproofing at seams or fasteners.

Q: What are the exact dimensions?
A: Actual size is 0.25-in thick x 48-in wide x 96-in long; coverage per sheet is 32 sq ft.

Q: Where is it commonly installed?
A: Floors and countertops in kitchens, bathrooms, laundry rooms, mudrooms, and similar interior spaces.

A Sleek, Stable Foundation for Luxe Surfaces

This backer board lays the groundwork for impeccably tiled floors and refined stone countertops. Its smooth, grid-marked surface creates crisp lines and a polished base that elevates finishes. Pair it with oversized porcelain or honed marble for a gallery-worthy look in kitchens and baths. A resilient, waterproof core makes it a quiet essential of sophisticated, long-lasting design.

Build a moisture-proof, rock-solid base for your next tile or stone project—add HardieBacker to your cart today.