You should seriously consider using ice water shield if you live in ice dam country.
Ice water roofing.
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.
Grace ice and water shield roofing underlayment a registered trademark of gcp applied technologies is the name that contractors trust the most to protect their reputations.
It can protect your home from water leaks caused by ice dams and wind driven rain.
Concrete clay roof tiles.
The self adhered layer in a roof deck protection system provides a waterproof barrier for vulnerable areas on a roof.
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.
Ice water.
Whether the building is faced with wind driven rain or the potential for ice damming having a waterproof barrier will help provide protection for a long lasting roof.