What is roofing felt paper?

 

 

 

Sometimes called roofing felt underlayment, roofing tar paper, or roll roofing, this is a layer of protection installed between the roof deck and the roofing shingles.

 

 

 

Roofing felt is comprised of a base, made from natural materials (such as wood cellulose) or synthetic ones (such as fiberglass or polyester), and then coated or saturated with a protective coating such as bitumen (asphalt), which repels water but still allows the product to breathe.

 

 

 

Why use roofing felt paper?

 

Roofing experts have discovered that adding a layer of protection between your structural roof decking (the layer of wood that covers your rafters) and your roof shingles helps create a better-looking and longer-lasting roof. In fact, there are a number of important ways roofing felt not only protects your roof, but also your residence. 

 

 

For example:

 

 

1.It repels water

 

Wind-driven rain or snow can trap water under your shingles, putting your roof deck and inner residence at risk of moisture damage, leaks, rot and mold. Roofing felt helps ensure the water drains off the roof – and doesn’t leak into your home.