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CSA A123.51

Asphalt shingle application on roof slopes 1:6 and steeper

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Organization: CSA
Publication Date: 1 January 2014
Status: active
Page Count: 38
scope:

This Standard provides minimum requirements for the application of asphalt shingles on roofs with a slope of 1:6 and steeper.

Portions of this Standard may not apply to laminated and/or dimensional shingles. The manufacturers of these shingles should be consulted for specific installation instructions.

Note: Annex A is included to provide recommendations for acceptable substrates for shingles; Annex B, recommendations for acceptable ventilation below the shingle substrate , and recommendations on the application of asphalt shingles over insulation; and Annex C, other precautions for shingle installation

The application of this Standard requires a working knowledge of applicable federal, provincial, and local building codes and regulations specifically concerning installation of asphalt roofing shingles.

This Standard does not purport to address all building code requirements. For further requirements, the local authority having jurisdiction should be consulted

In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.

Document History

CSA A123.51
January 1, 2014
Asphalt shingle application on roof slopes 1:6 and steeper
This Standard provides minimum requirements for the application of asphalt shingles on roofs with a slope of 1:6 and steeper. Portions of this Standard may not apply to laminated and/or dimensional...
January 1, 2014
Asphalt shingle application on roof slopes 1:6 and steeper
This Standard provides minimum requirements for the application of asphalt shingles on roofs with a slope of 1:6 and steeper. Portions of this Standard may not apply to laminated and/or dimensional...
July 1, 1985
Asphalt shingle application on roof slopes 1:3 and steeper
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...
July 1, 1985
Asphalt Shingle Application on Roof Slopes 1:3 and Steeper
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...
January 1, 1985
Asphalt Shingle Application on Roof Slopes 1:3 and Steeper
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...

References

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