GAF | Underlayments

General Details

Specifications

Roll Length 223' (68 m)
Roll Width 54" (137 cm)
Roll Weight 37 lb. (17 kg)
Approx. Roll Coverage 10 squares/roll – 1,000 sq. ft. (92.9 m²) excludes laps
Breathable Yes
Exposure Up to 180 days
Construction Spunbound polypropylene
Water Vapour Transmission Nom. 16 perms

Specifications

Roll Length 250' (76.2 m)
Roll Width 48" (1.23 m)
Roll Weight 23 lb. (10.4 kg)
Approx. Roll Coverage 10 squares/roll – 1,000 sq. ft. (92.9 M²) (excludes laps)
Exposure Up to 90 days
Construction Spunbound Polypropylene
Water Vapour Transmission Nom. 16 perms
Coating On Backside Slip-resistant

Specifications

Roll Length 144' (43.89 m)
Roll Width 36" (0.914 m)
Approx. Roll Coverage 4 squares/roll - 432 sq. ft. (40.13 m²)
Construction Asphalt
Reinforcement
Fiberglass

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