Plycem USA LLC
Building Products Listing Program
- Plycem USA LLC
- Cementitious Backing Boards
- Houston, TX
- B1034-2
- B1034-2, Edition 1
- April 30, 2025
- April 30, 2025
- N/A
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ASTM C1288
Standard Specification for Fiber-Cement Interior Substrate Sheets
ASTM E84
Standard Test Method for Surface Burning Characteristics of Building Materials. -
Allura® Backer with Triple Block™ fiber-cement backing board
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Product is marked with labels that include the following information:
a) Manufacturer’s name or Trademark.
b) Product name.
c) Production Date Traceability Code.
d) ASTM C1288 Grade I.
e) QAI File Number (B1034-2)
f) Traceability code.
g) QAI logo shown here:
Labels are applied to palletized finished products to ensure visibility on the jobsite.
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The following outlines Allura® Backer with Triple Block™ fiber-cement backing board performance evaluated by QAI.
Allura® Backer with Triple Block™ fiber-cement backing board complies with Grade I requirements per ASTM C1288.
ALLURA® BACKER WITH TRIPLE BLOCK™ FIBER-CEMENT BACKING BOARD FIBER-CEMENT INTERIOR SUBSTRATE SPECIFICATION PER ASTM C1288
PRODUCTS
THICKNESSES
REQUIREMENT
RESULT
inches
mm
Allura® Backer with Triple Block™ fiber-cement backing board
1/4 – 1/2
6.4 – 10.7
Flexural Strength
Grade I
S2 – Moisture Movement
Pass
S4 – Water Tightness
Pass
S5- Warm Water Resistance
Pass
S6 – Surface Burning Characteristics
FS: ≤ 0
SDI: ≤ 5
S8 – Shear Bond Strength Modified Dry-Set Cement Mortar
Pass
S9 – Shear Bond Strength Organic Adhesives Type 1
Pass
S10 – Nail-Head Pull-Through
Pass
S11 – Mold Resistance
Pass
Allura® Backer with Triple Block™ fiber-cement backing board have the following surface burning characteristics determined in accordance with ASTM E84.
ALLURA® BACKER WITH TRIPLE BLOCK™ FIBER-CEMENT BACKING BOARD SURFACE BURNING CHARACTERISTICS PER ASTM E84
PRODUCTS
THICKNESSES
FLAME SPREAD INDEX
SMOKE DEVELOPED INDEX
CLASS
inches
mm
Allura® Backer with Triple Block™ fiber-cement backing board
1/4 – 1/2
6.4 – 10.7
≤ 0
≤ 5
A
Notes:
Final acceptance of the product in the intended application is to be determined by the authority having jurisdiction.
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Final acceptance of the product in the intended application is to be determined by the authority having jurisdiction.
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QAI maintains ISO/IEC 17065 accreditations via the International Accreditation Service (IAS) for the United States and Canada. Typically, certifications under this accreditation do not require the Seal of a Professional Engineer in order to be accepted by the authority having jurisdiction. Should a Professional Engineer Seal be needed, please select from the highlighted States / Provinces that are available for this specific manufacturer’s file. If a specific State / Province is not available, you may email info@qai.org to request if a sealed document is available for that jurisdiction.
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The standard herein listed is the currently accepted version within the relevant certification scheme, code or other requirements unless otherwise noted. Transition periods may apply. Upon request, QAI will provide information about the validity of any of its certifications.
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