1504.7 Impact resistance: Roof coverings installed on low-slope roofs (roof slope <2:12) in accordance with Section 1507 shall resist impact damage based on the results of tests conducted in accordance with ASTM D 3746, ASTM D 4272, CGSB 37-GP-52M or the “Resistance to Foot Traffic Test” in Section 5.5 of FM 4470.
The code implies that all roof covering materials installed on low-slope roof systems shall be tested to determine impact resistance. The impact resistance tests shall be completed in accordance with ASTM D 3746 and/or ASTM D 4272.
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