30 Or 15 Roofing Felt

A high quality fiberglass 15 or a standard 30 will do this very well.

30 or 15 roofing felt.

15 weighs 15 pounds per 100 square feet 30 weighs 30 pounds per 100 square feet. In the old days common felt was 15 lb felt and 30 lb felt and a roll of the first held 4 squares and weighed 60 lbs while a roll of the second held 2 squares and weighed 60 lbs. It is a steep roof 8 12 high 2 story roof. One roofing square and 30 lb felt paper weighed 30 pounds per square.

No 15 felt and no. Tile depending on type only keeps out a percentage of water 90 to 95 and the 30 felt carries the rest off. While 15 is a good option for most roofing jobs 30 provides more protection and performance for steep roofs and flat roofs. Generally speaking 30 pound felt is less likely to experience tears than 15 pound felt.

It won t deform quite as quickly. Felt roofing underlayment is typically available in two types. Felt also provides a safer working environment for the crew by giving them better traction and helping to keep them from slipping. Once the shingles are on the weight of the felt matters very little.

If you are gonna shingle your roof i recomend using 15. Some customers prefer 30 lb felt paper because it is a thicker product less likely to tear and should wear better over time. Besides that benefit if shingles come loose during a storm and tear off the 30 pound roofing felt stays intact whereas 15 pound tar paper may not. If your roof does not have a steep pitch you can use 15.

They say it s an upgrade. This is beneficial for installation roof protection and all of its other functions. 30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events. 15 came perforated for use as a ply sheet for built up roofing.

15 lb is fine if you re going to get the shingles on immediately but in many cases that doesn t happen so it s a good idea to go with 30 lb just in case. It s the combination of rain and sun that does. What is the difference between 15 and 30 roofing felt. Rain alone will not wrinkle roofing felt.

30 is better for protecting your home during the re roofing process. Does anyone have any language to give to an adjuster to get 30 lb felt paid for vs 15 lb felt. This offers your home protection until you can. Additionally if a shingle comes off in a storm 30 pound felt is much less likely to tear along with the shingle keeping your roof protected.

If you experience high winds and some shingles get blown off the felt will protect your home until repairs can be made. However 30 felt is heavier of course and used more for concrete and clay tile.