Problems With Synthetic Roof Underlayment

A 66 foot roll of synthetic underlayment.

Problems with synthetic roof underlayment.

Asphalt saturated felt roof underlayment is susceptible to failure because ultraviolet uv radiation deteriorates the felt. As of publication you can purchase a 72 foot roll of 30 pound roofing felt for around 15. Greed is usually the root of most business related flaws. An attempt at saving the company money at the expense of the homeowner usually.

Exposure of the felt to heat quickens the loss of volatile compounds. Over time these compounds will dissipate which cause the underlayment to become more fragile and moisture absorbent. 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 why do we recommend felt.

This recommendation isn t just our opinion. More commonly seen than simply not installing the underlay roofing companies will inflate certain costs above their value including underlay costs. However companies such as interwrap have recently introduced new products that offer great durability and competitive prices. One of the main barriers to using synthetic underlayment for roofing contractors is the cost is higher per square foot than traditional felt.

Some of the major benefits to synthetic underlayment are that it is.