Columbus Roofing: Article About Roofing Felt
When people think about roofing systems, they often think about the roof covering and the roofing deck. While it's true that these are two important elements, there are other important aspects that shouldn't be overlooked. An example of this is the roofing felt. Columbus roofing contractors often say that the quality of roofing felt can set the tone for the entire roof.
The first thing that homeowners should know is what roofing felt is. Roofing felt is a type of material made of bituminous products and glass fibers. An example of a bituminous material is asphaltic bitumen. Roofing felt comes in large rolls and features sand or the addition of other material to keep it from sticking together.
It's easiest to think of roofing felt as a piece of heavy duty paper. The purpose of installing roofing felt in a roofing system is to prevent moisture from reaching the roofing deck. It acts much like a second layer of protection in case moisture gets past the roof covering. In fact, roofing felt is so important that it's used with just about every type of roofing covering.
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Despite the strength of roofing felt, it can't be used as the main roof covering because it's not sun or wind resistant. This is why it also has to be protected by the roof covering. Without roofing felt, however, homeowners would find that their roofing deck is rotting.
Roofing felt comes in a variety of sizes, and roofers most often buy it in three foot wide rolls that are around 50 to 100 feet long, depending on the project. There are two main types of roofing felt that roofers can buy: 15 pound and 30 pound. The heavier the roofing felt, the more protection it adds to the roofing system. Heavier roofing felt typically costs more, however.
Roofing felt can be installed in a number of different ways. Roofers usually attach it to the roofing deck using roofing nails. However, it can also be attached with hot air or a torch. Since using a torch on a roof can be dangerous, it's always recommended that homeowners leave this kind of job to a professional.
Most of the time, roofing felt is long lasting and durable, and it's typically replaced only when the roof covering is replaced. Even when it's time to recover a roof, it's possible to avoid replacing the roofing felt. Homeowners should talk to the roofer about whether the existing roofing felt can remain or should be replaced.