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From [Institution name]
Property |
Requirement of ASTM D7254 − 07Footnote (1) |
Result |
---|---|---|
Impact resistance (N·m) tested in accordance with ASTM D4226-09 |
≥ 3.95 |
Pass |
Weathering |
Siding must be free of any structural changes or visible surface changes such as peeling, chipping, cracking, flaking or pitting. |
Pass |
Property |
Unit |
Requirement |
Result |
---|---|---|---|
Deformation (sustained pressure) |
Pa |
Sustained for 1 h ≥ ± 550 |
Pass |
Repeated positive and negative pressure test (cyclic pressure) |
Pa |
2 000 cycles ± 800 |
Pass |
Safety test (gust loads) |
Pa |
Resist gust wind above 1 320 Pa |
Pass |