Codes & Standards - Purchase
CAN3-A123.51-M85 (R2011)
Asphalt Shingle Application on Roof Slopes 1:3 and Steeper
SKU: 2409860
Published by CSA Group
Publication Year 1985
Reaffirmed in 2011
23 pages
Withdrawn
Product Details
Preface
This Standard describes the minimum application requirements for asphalt strip shingles on roofs with slopes 1:3 and steeper.
Note: Roof Substrate and Ventilation Below Substrate. Appendix A is included to provide recommendations for acceptable substrate for shingles; Appendix B, recommendations for accepta ble ventilation below the shingle substrate; and Appendix C, recommendations on the application of asphalt shingles over insulation.
This Standard describes the minimum application requirements for asphalt strip shingles on roofs with slopes 1:3 and steeper.
Note: Roof Substrate and Ventilation Below Substrate. Appendix A is included to provide recommendations for acceptable substrate for shingles; Appendix B, recommendations for accepta ble ventilation below the shingle substrate; and Appendix C, recommendations on the application of asphalt shingles over insulation.