GAF | Underlayments
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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 |
Part of the GAF BEST roofing system.
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 |
Part of the GAF Better roofing system.
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 |
Part of the GAF Good roofing system.
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Deck Breather
Deck Breather is a breathable synthetic underlayment that prevents trapped vapour that can lead to a rotted roof deck.
