Products for Shingles
Additional information
G.A.P. Synthetic Guard Shield
G.A.P. Synthetic Roofing Underlayment is a grey polypropylene two-side coated woven fabric with a top polypropylene non-woven slip resistant surface. Used as a secondary roofing protection mechanically attached to the roof sheathing and under an asphaltic single application.
Documents:
Product Data Sheet
Installation Instructions
Warranty
Product Use:
White polypropylene woven scrim, 1.0 mil/1.0 mil average coating weight (Grey non-woven top/White bottom), total weight 2.7 oz./yd2 (92 g/m2) +/- 5%, and an overall thickness of 6 mil (ASTM D1777). Rolls have a 2” core, 48” (width) x 250’ (length) and weight approximately 20 lb. per roll.
Material Performance:
Strip Tensile (ASTM D-1970) |
MD 75 lb. / CD 40 lb. |
Trapezoidal Tear (ASTM 4533) |
MD 30 lb. / CD 25 lb. |
Pliability (ASTM D-226) |
Pass |
UV Weathering(AC 188) |
Pass (maximum UV exposure 90 days) |
Class A Fire Rating (ASTM E-108) |
Pass |
Roofing Underlayments(ASTM D-226, Type I & II) |
Pass |
Roofing Underlayments(ASTM D-4689, Type I, II, III & IV) |
Pass |
