WeatherLock G is a polymer modified bituminous sheet material intended for use as underlayment. Underlayment is manufactured as a fiberglass mat impregnated and coated with modified asphalt with a self-adhesive underside and a granulated surface. Underlayment rolls have approximate dimensions of 66.7ft x 3ft. Underlayment is self-adhered.</p><p><strong>Ratings</strong></p><p><span style="text-decoration: underline"><strong>ASTM D1970<br></strong></span>Product has met specification requirements of ASTM D1970.</p><p><span style="text-decoration: underline"><strong>ASTM E108 (Fire)<br></strong></span>Product has met Class A requirements of ASTM E108 when installed over minimum 15/32in thick APA-rated plywood decks with allowable roof covers of asphalt shingles (ASTM D3462) or slate shingles (ASTM C406). Slope is unlimited.</p>" />
WeatherLock G is a polymer modified bituminous sheet material intended for use as underlayment. Underlayment is manufactured as a fiberglass mat impregnated and coated with modified asphalt with a self-adhesive underside and a granulated surface. Underlayment rolls have approximate dimensions of 66.7ft x 3ft. Underlayment is self-adhered.
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ASTM D1970
Product has m88 online casino met specification requirements of ASTM D1970.
ASTM E108 (Fire)
Product has met Class A requirements of ASTM E108 when installed over minimum 15/32in thick APA-rated plywood decks with allowable roof covers of asphalt shingles (ASTM D3462) or slate shingles (ASTM C406). Slope is unlimited.