No Felt Under Roof Tiles

Definitely a good move.

No felt under roof tiles.

For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights. I have viewed two properties over the last few days that have old roof with no felt until the tiles. Both of them are inter war 3 bed semis. The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection.

Old roof slates no felt draughty but dry daylight visible when looking downhill inside the roof annual wasp nests with ingress between slates. New roof redland 49 s breathable modern felt fabric stuff not draughty still dry no piles of snow on the bedroom ceiling insulation in winter no daylight gaps no wasps. I do remember heavy wood shake roofs in the 1970s were installed with felt interleaved with the courses if. One with a simple.

Gaf shingle mate 36 in x 144 ft 400 sq ft felt roof underlayment. Then when those shingles were worn out a layer of asphalt shinges was put over that and i don t think roofing felt was used. Wood shingle roofs in dallas used to be nailed onto strapping battens without any roofing felt underneath. Item 656632 model 0903000.