FSR pressure treated cedar is tested in accordance to the following standards:
UL 790, UlC-S-107-M, ASTM-E-108, UBC-15-2, NFP A256
ICC ESR 1410, CSFM Listing #4150-1735-101
ICC ESR 2867, CSFM Listing #4150-1735-100
Download the Material Safety Data Sheet here.
Testing Criteria:
Flying Brand Test: |
Class |
Flame Temperature |
Flame Application |
A |
1400 ± 50° F |
10 Minutes |
B |
1400 ± 50° F |
10 Minutes |
C |
1400 ± 50° F |
4 Minutes |
Spread-of-Flame Test: |
Class |
Flame Temperature |
Flame Application |
A |
1400 ± 50° F |
10 Minutes |
B |
1400 ± 50° F |
10 Minutes |
C |
1400 ± 50° F |
4 Minutes |
Intermittent-Flame Test: |
Class |
Flame Temperature |
Flame On Minutes |
Flame Off Minutes |
Number of Test Cycles |
A |
1400 ± 50° F |
2 |
2 |
15 |
B |
1400 ± 50° F |
2 |
2 |
8 |
C |
1400 ± 50° F |
1 |
2 |
3 |
Burning Brand Test: |
Class |
Brand Size |
Brand Wood |
No. of Brands |
A |
12″ x 12″, 2.25″ thick |
Douglas Fir |
1 |
B |
6″ x 6″, 2.25″ thick |
Douglas Fir |
2 |
C |
1.5″ x 1.5″, .78125″ thick |
White Pine |
20 |
Rain Test: |
Class |
Exposure |
A, B, and C |
Twelve one week conditioning cycles of 96 hours of water exposure at a rate of 0.7″ of water per hour, followed by 72 hours of drying time at 140° F. This equates to 20 to 30 years of actual outdoor rain and wear. |
Weathering Test: |
Class |
Exposure |
A, B, and C |
All products have passed the accelerated weathering test. Optional Treatments are available that have passed the California State Fire Marshall & ICC 10 year, natural weather test |