CSA A123.2-03 Asphalt-coated roofing sheets
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CSA A123.2-03 Document Information:
Title
Asphalt-coated roofing sheets
CSA Standards
Publication Date:
Dec 1, 2003
Scope:
This Standard deals with asphalt-coated roofing sheets composed
of asphalt-saturated organic felt coated on one or both sides with
asphalt. Depending on their intended use, these sheets can have a
coarse or a fine mineral surfacing.
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; 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 are considered part of the
table and may be written as requirements.
The values given in SI (metric) units are the standard. The
values given in parentheses are for information only.
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