Problems With Synthetic Roof Underlayment

The biggest drawback to synthetic underlayment is the cost.

Problems with synthetic roof underlayment.

Asphalt saturated felt roof underlayment is susceptible to failure because ultraviolet uv radiation deteriorates the felt. More commonly seen than simply not installing the underlay roofing companies will inflate certain costs above their value including underlay costs. A 66 foot roll of synthetic underlayment. Greed is usually the root of most business related flaws.

One of the main barriers to using synthetic underlayment for roofing contractors is the cost is higher per square foot than traditional felt. However companies such as interwrap have recently introduced new products that offer great durability and competitive prices. If you check the tile roofing institute s materials needed for installing a tile roof the most common type in arizona you ll see a list a variety of felt underlayment options not synthetic. Over time these compounds will dissipate which cause the underlayment to become more fragile and moisture absorbent.

This recommendation isn t just our opinion. But why do we recommend felt. This is because peel and stick underlayments are designed to be a permanent installation so when reinstalling over top of this type of underlayment the major concern is covering over holes left by the fasteners that held down the original roof. But in our opinion natural felt underlayment is the best for arizona roofs.

Exposure of the felt to heat quickens the loss of volatile compounds.