It s a great product but like most materials there are quality shields and then ones that should be avoided.
Roof water shiled.
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.
You should seriously consider using ice water shield if you live in ice dam country.
The ice and water shield is an amazing roofing product that was first introduced in the 1980s.
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.
If you have a roof that you know to be older than 1980 it won t have this great product under the shingles.
It s typically only installed on the first leslie.
Shingles are important but so is the ice water shield protection that goes underneath them.
It can protect your home from water leaks caused by ice dams and wind driven rain.
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.
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.
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.