Purpose Of Roofing Felt Under Tiles

Roofing felt is usually required under roof tiles to prevent the desk from being exposed it also may be applied as your roof.

Purpose of roofing felt under tiles.

The roof deck should be sound and level before laying the underlayment. Roofing underlayment is a water resistant or waterproof barrier material that is installed directly onto your roof deck. We ve covered a fair few bits and answered the question as to what does roofing felt do. The main purpose of roofing underlay is to reduce the effect of wind loading on the slate or tile roof covering according to bs5534 the code of practice for slating and tiling.

It is applied under all other roofing materials as an added layer of protection from severe weather. Roofing felt is definitely not a long term solution for these kinds of problems. About 30 years ago a roofing contractor that i was working for told me that the purpose for the tar paper under the roofing shingles was to protect the roof shingles. He said that the roofing felt was the first line of defense against the nails that work there way loose that fasten the roof sheathig to the roof rafters.

Due to the costs homeowners generally opt to replace the roof tiles at the same time. For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights. 15 pounds per hundred square feet and 30 pounds per hundred square feet. The cost of replacing roof felt under tiles in a domestic property starts from around 200 or so if you re looking to just repair a small patch.

Prices can range from 2 300 through to around 7 300 for a full roof depending on several factors as explained in this article. Is roofing felt underlayment needed under roof shingles tiles slate wood shingles or shakes. There are three main types of roofing underlayment. As stated in best practices guide to residential construction.

The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection. What is the purpose of felt under roof tiles. Is felt really that important and what is roofing felt anyway.