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.
Problems with synthetic roof underlayment.
Greed is usually the root of most business related flaws.
But in our opinion natural felt underlayment is the best for arizona roofs.
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.
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.
A 66 foot roll of synthetic underlayment.
One of the main barriers to using synthetic underlayment for roofing contractors is the cost is higher per square foot than traditional felt.
But why do we recommend felt.
Some of the major benefits to synthetic underlayment are that it is.
Over time these compounds will dissipate which cause the underlayment to become more fragile and moisture absorbent.
However companies such as interwrap have recently introduced new products that offer great durability and competitive prices.
The biggest drawback to synthetic underlayment is the cost.
This recommendation isn t just our opinion.