Problems With Synthetic Roof Underlayment

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.

This recommendation isn t just our opinion. As of publication you can purchase a 72 foot roll of 30 pound roofing felt for around 15. So even though the underlayment is water resistant you can t really call it waterproof. One of the main barriers to using synthetic underlayment for roofing contractors is the cost is higher per square foot than traditional felt.

But synthetic underlayments which he says can remain exposed to sun and rain for up to six months without wrinkling or tearing allowed workers. But in our opinion natural felt underlayment is the best for arizona roofs. A poor quality asphalt saturated felt roof underlayment is at high risk of failure. Greed is usually the root of most business related flaws.

Housewrap installed as underlayment is a defective installation. The tarps just get thrown away afterwards shapiro notes. In the weeks following hurricane katrina grace construction products residential business director larry shapiro says he began to hear from distributors that pros were ordering his company s synthetic underlayments rather than the standard protective blue tarps to cover damaged roofs. Is synthetic roofing underlayment waterproof.

It is essential to use an underlayment that is astm d226 and astm d4869 compliant which are less likely to absorb water. But why do we recommend felt. Although companies who manufacture synthetic underlayment may also manufacture similar looking housewrap housewrap does not meet roofing underlayment requirements. Some of the major benefits to synthetic underlayment are that it is.

Specifically if the underlayment absorbs moisture this will damage the roof deck. Synthetic roofing underlayments use cap nails or staples for the installation. A 66 foot roll of synthetic underlayment. What this means is the fasteners can t be sealed properly.

An attempt at saving the company money at the expense of the homeowner usually. More commonly seen than simply not installing the underlay roofing companies will inflate certain costs above their value including underlay costs.