Tunnel Board Z is a calcium silicate, fiber reinforced, autoclaved building sheet containing fibers of natural origin.

 

 

[Bullet] Open to diffusion, resilient
[Bullet] Low expansion and contraction properities
[Bullet] Weather resistant and easy to work with
 
 

A calcium silicate, fiber reinforced, autoclaved sheet containing fibers of natural origin (Surface smooth)

 

1/4" (6mm thickness - 48" x 96" sheet

Light grey

 

 

Density

103 lbs/ft3 dry
Flexural Strength 2100 psi per ASTM C1185

Compressive strength

3760 psi

Modulus of elasticity

 .87 x 106

Normal moisture content

7% normal
Surface burning characteristics Flame spread  0                      Fuel contributed 0                    Per ASTM E-84
Continuous maximum temperature 325 degrees F