Codes et normes - Achat
CAN/CSA-A123.3-98 (R2004)
Asphalt Saturated Organic Roofing Felt
SKU: 2411558
Publié par CSA Group
Année de publication 1998
Confirmé(e) en 2004
5 pages
Withdrawn
détails du produit
Scope
1.1
This Standard covers asphalt saturated organic roofing felt, w ith or without perforations, for use in the membrane system of waterproofing systems and in the construction of built-up roofs using asphalt systems.
1.2
The following types of roofing felt are addressed by this Standard:
(a) Type 1 - a roofing felt that may be used in the construction of a built-up roof membrane (when perforated), as an underlay felt beneath asphalt shingles (when not perforated), or as a building wrap beneath brick, stucco, siding, etc. It is commonly called No. 15 felt;
(b) Type 2 - a roofing felt used as an underlay beneath asphalt shingles, wood shakes, tiles, and other sloped roof coverings. It is commonly called No. 25 or No. 30 felt.
1.1
This Standard covers asphalt saturated organic roofing felt, w ith or without perforations, for use in the membrane system of waterproofing systems and in the construction of built-up roofs using asphalt systems.
1.2
The following types of roofing felt are addressed by this Standard:
(a) Type 1 - a roofing felt that may be used in the construction of a built-up roof membrane (when perforated), as an underlay felt beneath asphalt shingles (when not perforated), or as a building wrap beneath brick, stucco, siding, etc. It is commonly called No. 15 felt;
(b) Type 2 - a roofing felt used as an underlay beneath asphalt shingles, wood shakes, tiles, and other sloped roof coverings. It is commonly called No. 25 or No. 30 felt.