CAN3 A123.51-M85 (R2011) PDF

This PDF includes GI #2.

1. Scope

1.1

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 a cceptable ventilation below the shingle substrate; and Appendix C, recommendations on the application of asphalt shingles over insulation.

File Size :	1 file , 1.7 MB
Number of Pages :	23
Product Code(s) :	2409860, 2409860
Published :	12/01/1999