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HardieBacker 1/4" Cement Board, 3 ft. x 5 ft. Panel

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HardieBacker 1/4" Cement Board, 3 ft. x 5 ft. Panel

Store SKU # 24-255

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List Price: $14.00
Our Price: $10.55
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Quick Overview

HardieBacker 1/4'' board for floors and countertops is America's best selling 1/4'' board.

Note: A minimum order of 10 panels is required.

HardieBacker 1/4'' board for floors and countertops is America's best selling 1/4'' board. Produced with James Hardie's proprietary cement formulation, this no-mesh board is the lightest cement board available and cuts easily, even in tight, awkward spaces. HardieBacker board provides superior protection against moisture damage and mold growth and is backed by a limited lifetime product warranty.

Basic Composition/Size
90% Portland cement and ground sand. HardieBacker board contains no asbestos, glass mesh, formaldehyde, or gypsum.

  • 1/4" Sheet Size:
  • 3'x 5' (EZ Grid board with recessed fastener pattern)
  • Thickness: 1/4"
  • Weight: 1.9 lbs/sq.ft.

Mold Resistance
HardieBacker products achieve a perfect score on both industry standard mold tests. HardieBacker board scores a 0 (best possible score) on the ASTM G21 for mold resistance and a 10 (best possible score) on the ASTM D3273 test against mold growth.

Approvals
HardieBacker cement board is recognized as an interior substrate according to the following:

  • National Evaluation Service (NES), Inc., Report No. NER-405 (BOCA, ICBO, SBCCI)
  • City of Los Angeles, Research Report No. 24862
  • City of New York MEA number 223-93M
  • HUD Materials Releases 1263d and 1268c
  • Tile Council of North America handbook

Flexural Strength
Based on typical Equilibrium Moisture Content: 2100 psi when tested in accordance with ASTM test method C1185.

Non-Combustibility
HardieBacker cement board is recognized for use in non-combustible construction in NER-405.

Surface Burning Characteristics
When tested in accordance with ASTM test method E-84:
Flame Spread: 0
Fuel Contributed: 0
Smoke Developed: 5

Thermal Resistance
(Approximate value) 1/4'' thick: R:0.13

Installation Guide