It s typically only installed on the first leslie.
Roof water shiled.
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.
It can protect your home from water leaks caused by ice dams and wind driven rain.
After that time it quickly came to be used by most companies to create better roofing systems whatever the weather.
Shingles are important but so is the ice water shield protection that goes underneath them.
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.
Essentially the roof and ice water shield is an extra layer to a home s roofing system that helps keep water out of the house.
It s a thin membrane that is attached under the shingles of a roof.
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.
It s a great product but like most materials there are quality shields and then ones that should be avoided.
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.
The ice and water shield is an amazing roofing product that was first introduced in the 1980s.
This shield protects vulnerable areas on your roof where the shingles cannot.