|
| Physical Properties
|
Nom.
|
Tests
|
|
Water Absorption*
|
|
½" Vol.
|
3.0
|
|
|
¾" and above
|
1.5
|
|
|
*% Vol-2 hrs
|
|
ASTM C209
|
|
Flame Spread
|
25 (7.9m)
|
ASTM E84
|
|
Smoke Developed
|
5
|
ASTM E84
|
|
Compressive Resistance
|
30
|
|
|
5% consolidation-psi
|
207 kPA
|
ASTM C165
|
|
Weight, pounds per square foot for:
|
|
½" thick
|
0.50
|
|
|
¾" thick
|
0.56
|
|
|
1" thick
|
0.75
|
ASTM C209
|
Return to Perlite Roof Insulation
|