Homeowners tend to put a lot of focus on the visible parts of a roof installation like the shingles, flashing and even finishing details like fascia boards and soffits. However, paying attention to the “invisible” parts of your roof is equally important. The underlayment, in particular, is a vital part of any roofing system, and choosing the right one can mean the difference between a strong high-performance roof and a bad one.
But what exactly is your roofing underlayment, and why is it so significant? More importantly, are there any pointers to help you find the right underlayment for your roof?
The shingles that make up the exterior of your roofing system are typically supported by the roof deck. This is a panel of plywood supported by a series of trusses and rafters. The roof deck can be especially prone to water penetration and, being primarily made of wood, can rot quite quickly. The underlayment is a waterproof material installed between the shingles and the roof deck to further improve the protection of your roof against moisture damage.
Types of Underlayment
In the past, asphalt-saturated felt was the most common type of underlayment there is. Today, however, non-bitumen synthetic felt has overtaken its place. Synthetic materials are affordable and extremely effective at keeping your roof waterproof. It’s also easier to install, which makes them the usual choice for many roofing professionals. There’s also rubberized asphalt, which offers plenty of the same advantages as synthetic felt but better. Unfortunately, it’s also usually more expensive.
Our experts on roofing repairs at Crown Roofing LTD can help you find an underlayment material that’s 100% right for your home. Give us a call at (604) 370-6288, or fill out our contact form to schedule a consultation and request a free estimate today. We serve homeowners in Surrey, New Westminster and the surrounding areas.