It s typically only installed on the first leslie.
Roof water shiled.
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.
If you have a roof that you know to be older than 1980 it won t have this great product under the shingles.
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.
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 s a great product but like most materials there are quality shields and then ones that should be avoided.
You should seriously consider using ice water shield if you live in ice dam country.
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.
The ice and water shield is an amazing roofing product that was first introduced in the 1980s.
Usually the roof ice and water shield is only on the overhangs and in the valleys as these are the two places leaks and ice dams occur most often.
After that time it quickly came to be used by most companies to create better roofing systems whatever the weather.
It s a thin membrane that is attached under the shingles of a roof.