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#15 SPECIFICATION FELT
Length: 144´
Width: 36"
Square Per Roll Coverage: 4
Square Feet Per Roll: 432
Atlas provides a complete selection of roofing felts. These felts are asphalt saturated and are manufactured with a high-grade organic mat. |
A specification grade felt used as a waterproof barrier between the roof deck and the shingles.
| General Installation Instructions for Atlas Felt Underlayments
Use saturated felt to provide a smooth surface on which to nail shingles and as temporary waterproofing in case of rain. A layer of felt must be applied to a wood deck to provide a vapor retarder between the wood deck and the asphalt fiberglass shingles. Without the felt layer, the wood planking or plywood deck - dried by heated temperatures found in most attics - will draw moisture (including tar and oils from the asphalt) from the shingles. The result will be shingles that are prematurely worn, cracked, brittle, as well as stuck to the wood surface when you attempt to remove them.
 Complete Instructions
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KEEP ROLLS DRY AND COMPLETELY PROTECTED FROM THE WEATHER. If work is to be done in cold weather, rolls of roofing should be placed in a warm place for 24 hours prior to application.
| Federal Spec. HH-R 595B
Type 15A, Style A
ASTM D-226, Type I
Spec this Product
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Features & Benefits Heavy Organic Mat
High Asphalt Saturation
Heavier Roll Weight
Tightly Wound Rolls - Less Telescoping
Consistent Roll Lengths
Excellent Standard Packaging
Highly Visible Alignment Lines
High Tear Strength
Easier Roll-Out - Less Sticking
Flatter Installation Lay-Down With Less Curling
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