The asphalt makes it vapor tight and the polymers make the asphalt elastic and sticky.
Winterguard entire roof.
Consider the design and slope of the roof combined with your personal preference.
Winterguard products are most commonly used in critical areas such as roof eaves valleys and as a waterproofing underlayment for low slope shingle metal ht only slate and mechanically fastened tile roofing applications.
The minimum approved slope for winterguard application is 2 12.
This is a waterproof product frequently used to provide protection against wind driven rain and ice dams in areas of your roof considered vulnerable such as the lower edges and the eaves.
Enhanced skid resistant top film surface an advanced waterproofing underlayment for shingle metal slate and tile roofs specially formulated to resist high roof temperatures under metal roofs meets astm d1970 length.
By creating a barrier at the most vulnerable areas of your asphalt shingle or metal roof at the eaves and rakes in valleys around chimneys etc stormguard film surfaced leak barrier helps prevent leaks due to water backing up in your gutters wind driven rain and in the north damaging ice dams.
Winterguard is a composite material of asphalt polymers formed into a rolled sheet.
The ultimate protection this video shows how certainteed s winterguard underlayment is applied as part of the roofing system helping homeowners better understand its protective value as well as the process of preparing for subsequent stages of installation.
Another certainteed option to consider is winterguard.
This product is a synthetic underlayment.
If applied to cover the entire roof ensure sufficient ventilation so as to avoid condensation.
Winterguard comes in three effective surface finishes.