Slate Roof Without Felt

It has just one layer so it goes.

Slate roof without felt.

Often if you have slate and they re in good condition there s no reason they couldn t be reused. Old roof slates no felt draughty but dry daylight visible when looking downhill inside the roof annual wasp nests with ingress between slates. Roofing felt was introduced primarily to act as a secondary barrier against wind driven snow and rain but its use also causes a reduction in air movement within the roof space particularly if the roofing felt is impervious and this effect is often compounded by the introduction of insulation. Some older properties do not have felt and as long as they don t leak its ok.

Roofing felt may be necessary for use with your shingles to meet a class a fire rating when shingles are evaluated for their fire ratings it is done on a small test deck with the roofing felt underlayment in place without this underlayment the shingles alone may not meet the class a fire requirements. Traditional 30 pound organic roofing felt. You will also want to make sure your rafters and sheathing are strong enough to hold up a heavy slate roof without sagging. Both of them are inter war 3 bed semis.

Roll roofing is different. It is though difficult to repair so in the long run you are better off striping the roof and felting. In wales where we are located there are still many properties with original welsh slate roofs. Definitely a good move.

A typical roof has three layers a felt layer and two layers of overlapping shingles. How to install roll roofing on low slope roofs. One with a simple. Assuming the roof timbers themselves are ok a re roof usually just entails re felting new battens and then your slate tile of choice.