HardieBacker Cement Backerboard 1/4" x 3' x 5' (Model HB1435)

Engineered for superior strength and durability, this 1/4" backer board provides a stable, moisture-resistant substrate for ceramic, porcelain, stone and mosaic tile installations. Its lightweight design and easy-cut formulation make cutting and fitting around corners, curves and pipes a breeze—perfect for both pros and DIY enthusiasts.

Built from a blend of Portland cement and sand, HardieBacker offers enhanced resistance to mold and moisture, ensuring your tiled surfaces remain solid and long-lasting. The proprietary EZ Grid recessed fastener pattern streamlines fastening and alignment, so you get a flat, even surface with fewer callbacks and greater peace of mind.

Key Features

• 1/4" thickness ideal for wall and floor tile applications
• Standard 3' x 5' (36" x 60") panel size for easy layout and minimal waste
• Portland cement and sand composition for durability and fire resistance
• Moisture* and mold-resistant formulation—perfect for bathrooms, kitchens and wet areas
• EZ Grid recessed fastener pattern for precise, flush installation
• Lightweight, no-mesh design that’s easy to score and snap

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.