Ice And Water Shield Entire Roof

Both products have a separate purpose.

Ice and water shield entire roof.

Now ice and water shield is designed to stop ice damming or water that backs up say from your gutters and getting into the roof surface. It can protect your home from water leaks caused by ice dams and wind driven rain. Ice and water shield the whole roof. However because the modified bitumen back surface is continuous these membranes can result in a vapor barrier.

Ice and water shield is a great product that can be used in spots to protect the most vulnerable areas of your roof or as a whole roof underlayment to protect from ice dams water dams storms and leaking in any area of the country and any weather. The arguement that oh i would hate to be the next guy having to remove the ice and water shield couldn t you just remove the shingles leave the ice and water down and then put new ice and water on top of the old. Gcp invented fully adhered roofing underlayments more than 35 years ago. Ice and water shield is a thin rubberized asphalt membrane that goes beneath the shingles of your roof typically only along the overhangs and in the valleys.

Grace ice and water shield fully adhered smooth surface roofing underlayment provides best in class roof leak protection against wind driven rain and ice dams. Potentially covering an entire roof with ice and water protector can prevent leaks even after high wind conditions blow shingles off the roof preventing further damage and making repair easier. Many types of roofing including epdm and standing seam steel roofing are virtually impermeable to water vapor. You should seriously consider using ice water shield if you live in ice dam country.