Property |
Test Method |
1/4" Floor
Underlayment |
3/8" Floor
Underlayment |
| Wood Species |
APA I-95 |
White Birch (also known as Baltic
or Artic Birch |
| Grade |
APA I-95 |
Exterior Grade Phenolic Glue,
Passes Boil Test |
| Construction |
ASTM D1038 |
5 piles |
7 Piles |
| Specific Gravity |
ASTM D1037 |
0.73 |
.073 |
| Density, lbs/cu.ft. |
ASTM D1037 |
45.5 |
45.5 |
Moisture Content
(50%RH@20°C) |
ASTM D1037 |
6.67% |
6.67% |
| Hardness |
ASTM D1037 |
1,367 |
1,367 |
Modulus of elasticity:
Parallel to the grain
Perpendicular to the grain |
ASTM D1037
ASTM D1037 |
2,047,584 psi
795,912 psi |
2,047,584 psi
795,912 psi |
Modulus of rupture:
Parallel to the grain
Perpendicular to the grain |
ASTM D1037
ASTM D1037 |
13,165 psi
7,843 psi |
14,375 psi
10,121 psi |
| Internal Bond |
ASTM D1037 |
370 psi |
370 psi |
Fastener Holding:
Parallel to the grain
Perpendicular to the grain |
ASTM D1037
ASTM D1037 |
333 lbf
414 lbf |
520 lbf
537 lbf |
| Nail-Head Pull Through |
ASTM D1037 |
378 lbf |
674 lbf |
Staple Pull Through:
(1/4" Crown, 18 gauge)
Parallel to the grain
Perpendicular to the grain |
ASTM D1037
ASTM D1037 |
167lbf
174 lbf |
192 lbf
206 lbf |
Boil Test:
Water Resisitance
Stain Resistance
Extract Gardner Color |
APA 1-95
APA 1-95
ASTM D1544 |
Pass
Pass
1 |
Pass
Pass
1 |
| Testing performed in the Halex
Tech Center in accordance with accepted ASTM and APA Test
Methods. |
