Grip-Rite MORE™ Backer Board & Underlayment

Grip-Rite MORE Backer Board and Underlayment is an innovative and versatile product designed to excel in the toughest conditions and is 28% lighter*, on average, than leading portland cement backer boards.

Free from VOCs, quartz silica dust, and other harmful chemicals, the eco-friendly formulation of Grip-Rite MORE is future-focused and aligns with current safety and environmental standards.

This product is fire and water-resistant, mold and mildew-resistant, and easy on the environment. For unmatched performance, Grip-Rite MORE Backer Board and Underlayment is the obvious choice, backed by a 10 year warranty

Revolutionize your residential and commercial building projects by embracing our premium, backer board and underlayment. Use as a direct replacement for fiber cement, gypsum boards, OSB, plywood, and gypcrete products.

*Based on average published weight of Hardie® Backer Board 1/4" Cement Board and Hardie® Backer Board 500.

Features & Benefits

  • Lightweight - 28% lighter, on average, than the leading portland cement backer board

  • Eco-Friendly - Free from VOCs, quartz silica, and other harmful chemicals

  • Water Resistant - Resists damage and mold growth from long term water exposure

  • Fire Resistant - ASTM E84 - Flame Spread Index of 0 and Smoke Developed Index of 0

  • Durable - High flexural and impact strength

Where to Buy
SKU Thickness Dimensions Pieces Per Pallet
GRMGO1235 1/2 in. 3′ x 5′ 40
GRMGO1248 1/2 in. 4′ x 8′ 40
GRMGO1435 1/4 in. 3′ x 5′ 80

Related Products