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CAN3 A123.52-M85(R2011)
New product
CAN3 A123.52-M85(R2011)
Asphalt Shingle Application on Roof Slopes 1:6 to Less Than 1:3More info
This PDF includes GI #2.1. Scope1.1This Standard describes the minimum application requirements for asphalt strip shingles or low slope shingles on roofs with slopes from 1:6 to less than 1:3. Note:Roof Substrate and Ventilation Below Substrate.Appendix A is included to provide recommendations for acceptable substrate for shingles; Appendix B, recommendations for acceptable ventilation below the shingle substrate; Appendix C, recommendations on the application of asphalt shingles over insulation.