Standard Specification for
Asphalt Shingles (Organic Felt) Surfaced With Mineral
This fashionable is issued underneath the constant designation d 225; the quantity at once following the designation indicates the yr of
original adoption or, within the case of revision, the year of remaining revision. more than a few in parentheses suggests the year of ultimate reapproval. a
superscript epsilon (e) suggests a piece of writing exchange because the ultimate revision or reapproval.
This popular has been authorized for use by using groups of the department of protection.
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