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Abstract
These requirements cover Class C sheet (roll)roofinng and shingles composed of organic felt, saturated and coated with asphalt, and surfaced with mineral surfacing materials for installation as prepared roof coverings in accordance with direction sheets for application packed with the products.
These requirements cover Class C sheet (roll)roofinng and shingles composed of organic felt, saturated and coated with asphalt, and surfaced with mineral surfacing materials for installation as prepared roof coverings in accordance with direction sheets for application packed with the products.
Date
10/1974
10/1974
Author(s)
UL
UL
Page(s)
20
20
Source
Underwriter's Laboratory
Underwriter's Laboratory
Keyword(s)
sheet roofing; asphalt organic felt; performance; Class C; UL 55B;
sheet roofing; asphalt organic felt; performance; Class C; UL 55B;