Product Brochure

Properties Standards Values
Compressive Strength -
perpendicular to surface
ASTM D1621 50.50 psi
Compressive Strength -
perpendicular to cross section
ASTM D1621 386.0 psi
Tensile Strength ASTM D1623 75.30 psi
Shear Strength ASTM 273 53.30 psi
Flexural Strength ASTM C203 788 psi
Nail Pull Resistance ASTM C473-10 Wet 313,8 PSI/Dry 668 psi
Robinson Floor Test ASTM C627 Extra heavy duty & high impact use
System Crack Resistance ANSI A 118.12, S 5.4 No Cracks
Water Penetration ASTM E331-09 passed
Capillarity - 0
Flange-Fixure Seal - passed
Water Vapor Transmission - perm rating ASTM E 96-05 0.494, 0.354
Freeze & Thawing Resistance ASTM C666 - 03 (Modied), 25 No Visual Defects
Thermal Resistance R-Value (1/2”) ASTM C518 1.8 hr. ft. 2F/Btu
Surface Burning Characteristics ASTM E 84, 12
Flame speed 0
Smoke developed 70
Flammability NFPA 286 passed
Temperature Limits - - 50 / + 75 C
Linear Coefcient of
Thermal Expansion
ASTM D696 0.000029 (29 x10
-6
) CTE / C
Accelerated Aging AC 71-S.3.5.3, 25 cycles No Blistering or Delamination
10
BACKER BOARD TECHNICAL DATA