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CSA A123.3

Asphalt saturated organic roofing felt

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Organization: CSA
Publication Date: 1 January 2005
Status: inactive
Page Count: 20
scope:

This Standard covers asphalt saturated organic roofing felt, with perforations, to be used with roofing asphalts conforming to CSA A123.4 in the construction of built-up roofing membranes, without perforations, applied as an underlayment beneath asphalt shingles, woods shakes and shingles, tiles, and other roof coverings.

The following types of roofing felts are addressed by this Standard:

(a) Type 1 - perforated roofing felt that is used in the construction of built-up roofing membranes. It is commonly referred to as No. 15 Felt Perforated.

(b) Type 2 - plain, non-perforated roofing felt used as an underlayment beneath asphalt shingles, wood shakes and shingles, tiles, and other steep slope roof coverings. It is commonly referred to as No. 15 Plain Felt.

(c) Type 3 - plain, non-perforated roofing felt used as an underlayment beneath asphalt shingles, wood shakes and shingles, tiles, and other steep slope roof coverings. It is commonly referred to as No. 30 Plain Felt.

The values given in SI (metric) units are the standard. The values given in parentheses are for information only.

In CSA Standards, "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; "may" is used to express an option or that which is permissible within the limits of the standard; and "can" is used to express possibility or capability. 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 (non-mandatory) to define their application.

Document History

CSA A123.3
January 1, 2005
Asphalt saturated organic roofing felt
This Standard covers asphalt saturated organic roofing felt, with perforations, to be used with roofing asphalts conforming to CSA A123.4 in the construction of built-up roofing membranes, without...
January 1, 2005
Asphalt saturated organic roofing felt
This Standard covers asphalt saturated organic roofing felt, with perforations, to be used with roofing asphalts conforming to CSA A123.4 in the construction of built-up roofing membranes, without...
January 1, 2005
Asphalt Saturated Organic Roofing Felt
This Standard covers asphalt saturated organic roofing felt, with perforations, to be used with roofing asphalts conforming to CSA A123.4 in the construction of built-up roofing membranes, without...
January 1, 1998
Asphalt Saturated Organic Roofing Felt
This Standard covers asphalt saturated organic roofing felt, with or without perforations, for use in the membrane system of waterproofing systems and in the construction of built-up roofs using...
January 1, 1998
Asphalt Saturated Organic Roofing Felt
This Standard covers asphalt saturated organic roofing felt, with or without perforations, for use in the membrane system of waterproofing systems and in the construction of built-up roofs using...
January 1, 1979
Asphalt or Tar Saturated Roofing Felt
This Standard covers saturated roofing felt with or without perforations for use in the membrane system of waterproofing and in the construction of built-up roofs using either asphalt or coal tar...

References

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