![Amazon.com: Polyester Felt Sheet Stiff 15 Sheets 20 x 30 cm(7-7/8 X 11-7/8 in 5/64 in Thick) (Green) Amazon.com: Polyester Felt Sheet Stiff 15 Sheets 20 x 30 cm(7-7/8 X 11-7/8 in 5/64 in Thick) (Green)](https://m.media-amazon.com/images/I/61GNDPQP1dS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Polyester Felt Sheet Stiff 15 Sheets 20 x 30 cm(7-7/8 X 11-7/8 in 5/64 in Thick) (Green)
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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