Many homeowners have no idea what goes into keeping a roof strong and safe from adverse weather when it comes to reroofing. For instance, many folks are ignorant of the significance of roof underlayment.
Underlayment linings are one of the most important layers of protection your roof has when it comes to adverse weather like rain, snow, hail, and other forms of precipitation.
In this article, we’ll explore the different types of roofing underlayment to help you choose the best option for your home.
What is Roofing Underlayment?
Underlayment is a barrier laid on a roof before installing the top layer, such as shingles or tiles. It is adhered to the roof decking and provides an additional layer of protection. Roofing shingles and other top layer materials perform a decent job of protecting the roof from various factors. Still, they struggle to avoid certain problems, such as moisture infiltration and heat buildup.
However, the underlayment can address these more insidious issues. When chemicals from the shingles leak beneath the top layer, this serves to keep water away from the roof decking. Additionally, the underlayment insulates the roof and attic from heat. It can also provide sound insulation against pouring rain and other disturbances.
Types of Roofing Underlayment
There are three types of roofing underlayment: felt, rubberized asphalt, and synthetic. Each has its own perks and drawbacks, and the type you select will rely on your roofing contractor’s comfort level and local construction codes.
Asphalt-Saturated Felt (Felt Paper)
Roofs with steep slopes and high water resistance can benefit from asphalt-saturated felt. High-humidity areas are well-served by this underlayment despite its lack of waterproofing.
Fiberglass substrate is used for certainly felt underlayment, whereas cellulose-based felt underlayment is available. For this reason, cellulose base underlayment is referred to as “organic” underlayment.
This asphalt-saturated felt can be purchased in 15-lb and 30-lb thicknesses. When it comes to protecting the roof, a 30-pound felt is the best option. Because it is thicker and more rigid, this weight is more resistant to the effects of the weather.
Despite the moniker “rubberized asphalt,” which resembles rubber sheets when laid, it contains hardly any asphalt. Rubberized asphalt, like membrane roofing on flat roofs, is put on the roof deck with special adhesives, like membrane roofing. Rubberized asphalt has a number of advantages, including its ability to withstand extreme heat and cold, making it excellent for areas that experience both. Many factors contribute to asphalt shingles losing their granules, including bad weather conditions.
Rubberized asphalt’s composition changes based on the roofing project’s specifications. Some of these improvements include better waterproofing, fiberglass reinforcing, and sound absorption. It is possible to patch rubberized asphalt roofs in the same way as commercial flat roof repair, but the outer roofing layer must be partially removed.
Non-Bitumen Synthetic Underlayment
Non-bitumen synthetic underlayment is common in modern roofs. Professional roofers now use it as their preferred underlayment material.
In the basement, there is still asphalt in the synthetic underlayment. Fiberglass, a material reinforced with fibers, is used in its construction. This results in a product that is extremely durable and stretchy.
Synthetic underlayment, like asphalt-saturated felt, is water-resistant. Mold and creases can be prevented because the fabric does not absorb water.
Synthetic underlayment is popular because of its UV resistance and its advantages of being lightweight and non-skid. Thanks to this product, your roof’s surface is well protected from heat damage.
Why Is Roofing Underlayment Necessary?
Roofing underlayment is required in many places. It is absolutely necessary to protect your roof from the damaging effects of rain and other inclement weather.
In addition to protecting your shingles, it also adds a second layer of protection to your roof. As the first line of defense against the elements, your home’s underlayment and shingles are critical. Besides that, they reflect the sun’s rays, protect against rain, and are able to withstand wind.
There are places where the shingles overlap and aren’t completely sealed. Consequently, strong gusts can elevate the shingles, exposing them to water infiltration or shingle tear-off from the wind. Aged shingles are also more fragile. When shingles fail, underlayment serves as a fallback measure.
Learn More About Roofing Underlayment Types by Contacting Paragon Remodeling
Make sure to get in touch with Paragon Remodeling if you have any questions concerning roofing underlayment. Choosing the right underlayment for your home and properly installing it are two of our many services, so you can relax knowing that a professional roofing contractor is here to help.