Q. Lately I've seen roofers install a strange product that looks like traditional felt paper, but it's not. It has a peel-away backing paper, and this material sticks to the wood sheathing. What is it ...

Q I live in a 1958 detached house with brick cavity walls and concrete roof tiles. Some of the roofing felt is beginning to sag between the rafters and is breaking up. The roof tiles themselves seem ...

In 1985, the outlook for the felt-roofing industry was grim. But that’s just when Claude Livingston decided to open a plant in economically depressed Greene County. "In 1985, I began buying used ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

We have a 23-year-old felt flat roof on a ground floor extension five metres square which is cracking and needs to be replaced. We do not want to have a "torch-on" felt roof (neighbours had their ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...