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Custom Print Waterproof Roll Membrane Synthetic Roofing Underlayment Local Warehouse Delivery - China Roofing Underlayment, Building Material | Made-in-China.com
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
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