Net directory Drastic 15 vs 30 lb roofing felt Orphan suck Mania
Roofing Underlayment Types - InterNACHI®
J Quintero Roofing - When should I use 30lb felt? Most standard pitched roofs only need a 15lb. felt for proper underlayment. 30lb. is used for many specialty applications such as: low
15lb vs 30lb vs Synthetic Felt Underlayment - Transcendent Roofing
Synthetic vs. Felt Underlayment for Metal Roofing: Which Is Best?