Murus CB-2100PUR


(Cement Board/PUR Foam Core/Cement Board)

# 2145 2155
Overall Thickness: 4-5/8″ 5-5/8″
Thickness Tolerance: +/-1/8″ +/-1/8″
Width: 48″ 48″
Width Tolerance:
(Finish Size)
+/-1/8″ +/-1/8″
Standard Lengths:
8, 10′ 8, 10′
Length Tolerance: +/-1/4″ +/-1/4″
Weight: 5.75 lb/sf 5.95 lb/sf
Insulating Core
Type: Polyurethane closed cell foam
Thickness: 3-11/16″ 4-11/16″
Density: 2.2 lb/cu.ft. 2.2 lb/cu.ft.
R-value 6.9 per inch thickness 6.9 per inch
Insulating Core Properties 4Design Values
K Factor:
(aged foam)
.145 ASTM C-518
Compressive Strength: 21 psi ASTM D-1621
Compressive 1MOE: 566 psi ASTM D-1621
Shear Strength: 25psi ASTM C-273
Shear Modulus: 199 psi ASTM C-273
40 psi ASTM C-203
Flexure Modulus
530 psi ASTM C-203
Tensile Strength: 44 psi ASTM D-1623
Tensile Modulus: 831 psi ASTM D-1623
Perm Inches:
1.4 ASTM E-96
Foam Fire Rating: Class 1 **UL723
Flame Spread: 20 **UL723
Smoke Developed 250-400 **UL723
1MOE: Modulus of Elasticity 2MOR: Modulus of Rupture 3MD: Machine Direction 4Design Values are mean derived from multiple specimens
**UL723 is not necessarily a representation of performance in an actual fire.
Class 1 is the highest rating available for combustible materials.
Outside Skins
Type: Cement bonded particle board comprised of wood particles and cement.
Thickness: 10mm (Also available in 8 and 12mm)