36x72 30# Felt 2SQ 216SF. GMC roofing felt is an industry leading, superior quality authentic asphalt saturated organic felt underlayment. GMC 30 D 4869 Type II authentic asphalt saturated organic felt underlayment is used as a breathable secondary weather-resistant barrier when applied over the roof deck prior to the installation of the primary roofing product.
| Coverage Area | : | 216 sq-ft |
| Material | : | Asphalt |
| Length | : | 72 ft |
| Width | : | 36 in |
| Resists | : | Weather |