Breathable Underlayment For Metal Roofing

Traditionally metal roofs have used standard 30 pound felt paper underlayment.

Breathable underlayment for metal roofing.

Underlayment must also act as a secondary weather barrier in case the roof fails. Its unique breathable technology allows moisture to escape the roof system helping to prevent premature roof system deterioration. Firestone rubberguard 60 mil epdm best underlayment for epdm roofing. Make sure the product is designed to be used under metal.

Underlayment is a vapor barrier or water resistant material that s put under metal roofing and installed directly onto the roof deck. When hot roof construction is done a roof with no ventilation a breathable underlayment is recommended. Breathex is our new synthetic roofing underlayment which carries on the well proven tradition of breathability. This type of underlayment is critical to a quality roof installation.

The best underlayment for metal roofs the first goal of roofing underlayment is to keep the roof deck dry before installation of the metal roofing material. Gaf deck armor premium breathable underlayment provides a critical layer of protection under your shingles against wind driven rain and other sources of moisture. It s applied under all of the other materials and it provides an extra layer of protection against extreme weather conditions. Special slip resistant surface provides enhanced walkability even on steeper pitched roofs.

It serves as a moisture barrier as well as a slip sheet. As a result the addition of a single layer breathable membrane a newcomer to the roofing industry has been added that of 3mm high polypropylene webbing attached to a breathable membrane called dry tech. Once again this is used on cold roof construction. Unlike typical synthetic underlayments deck armor helps reduce inside moisture from becoming trapped within your roofing system.

Roofing felt is a breathable sheet which allows humidity and moisture to escape from beneath it thus maintaining a dry and healthy deck.