Ice Dam Roofing Paper

Item 169827 model 5003002.

Ice dam roofing paper.

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. Click to add item 15 asphalt felt 3 x 144 roofing underlayment 432 sq. Both products have a separate purpose. Ft to the compare list.

Click to add item leakbarrier ps200 high temperature 36 x 66 8 ice water barrier 200 sq. Do you need to put it on the entire roof or and also do you need felt as well in addition to the ice and water shield. Gcp invented fully adhered roofing underlayments more than 35 years ago. Fourth you need to put a drip edge on the remaining sloped sides of the roof over the building paper and over the ice and water shield.

Paper mat 5 polymer modified asphalt 2. Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. Tar paper roofing felt thermoplastic polyolefin etc or cheaper. In the video it s been installed on the entire roof.

The melted water flows under the snow and freezes as it reaches the unheated soffit area at the eaves thus creating an ice dam. The guy also talks about how the ice water shield seals itself around roofing nails which helps to distinguish it from a traditional underlayment product e g. It does this by using gravity. The video shows you exactly what ice water shield looks like and where it s installed.

Ice and water shield is a far superior product compared to basic roofing felt paper. Ice dams are a serious issue for homeowners and roofing professionals in cold climates or even where occasional snow may fall. Gravity allows the water to flow over the tar paper down to the edge of the roof. What does felt paper do.

This barrier shall consist of at least two layers of underlayment cemented together or be a self adhering polymer modified bitumen sheet many times referred to as ice dam protection or ice and water shield. If you are not using the elastomeric membrane i would put roofing paper over the entire roof. Ft to the compare list. 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.

Ice and water shield roofing paper 15. Ice dams are formed by the continuous melting and freezing of snow due to heat escaping from the house or from a backup of frozen slush from the rain gutters. It must be installed the full length of all valleys.