Is it time to replace the underlayment on your tile roof? The underlayment is perhaps the most important part of your roof, so making sure it’s up-to-date is vital for your home’s safety. While they do last long, underlayments don’t last forever. Knowing what to expect, including the cost to replace a tile roof underlayment, will better prepare you for the process.
What is Underlayment?
Roof underlayment is the most vital part of your roof and is essential to protecting your home from weather and other elements like rain and hail. The underlayment lies below your shingles and insulation and sits on top of your roof deck. All roof underlayments have a base mat, which is the flexible base layer that lies underneath it.
Underlayment is crucial because it acts as the last line of defense against any damage to your roof. It’s also the main waterproofing piece of your roof, so ensuring its proper functioning is vital to your comfort and safety.
Which Underlayment is Best For an Arizona Roof?
Most roofs in Arizona are made with tile because of its durability, aesthetic, and ability to withstand high temperatures. There are two main types of underlayment used on Arizona homes:
- Synthetic underlayment is the newest option for roof underlayment. It’s made by weaving polyethylene or polypropylene materials together with a polymer. Synthetic underlayments are safer to install and lighter than felt underlayments, which makes them a popular choice for some roofers. They also stand up well to strong winds.
- Felt underlayment, also known as asphalt-saturated felt, is made from a blend of polyester, cellulose, bitumen, asphalt, and rubberizers or ‘modifiers.’ It has a base mat saturated with asphalt for extra water resistance. This type of underlayment is also referred to as felt paper or tar paper.
How Often Do You Replace Underlayment On a Tile Roof?
If your tile roof underlayment is installed correctly by a professional roofer, it should last between 20 to 30 years. Traditional felt underlayment generally needs to be replaced sooner than synthetic underlayment.
How Much Does it Cost to Replace Underlayment On a Tile Roof?
The cost to replace an underlayment for a tile roof depends on various factors, like:
- The size of your roof.
- The condition of the underlayment.
- The complexity of the job.
- The type of underlayment you choose.
Most roofing companies provide an estimate based on your roof’s square footage and will quote you a per-square-foot price. The cost to replace your underlayment can vary greatly, so it’s best to get a few estimates from professional roofing companies to understand how much your project will cost.
Get the Truth About Your Roof – and Your Underlayment!
If it’s time to replace your underlayment, having a professional do the job will ensure long-lasting protection from the elements. At Roofstar Arizona, we help homeowners in the Phoenix-Mesa area learn the truth about their roofs. Call us today at (480) 426-1915 to get a free estimate on your roof repair.