Ice Dam Roofing Paper

Tar paper roofing felt thermoplastic polyolefin etc or cheaper.

Ice dam roofing paper.

Both products have a separate purpose. Ft to the compare list. What does felt paper do. Many shingle guarantees require roofing felt because it makes the shingles last longer.

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 does this by using gravity. 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. The video shows you exactly what ice water shield looks like and where it s installed.

Click to add item leakbarrier ps200 high temperature 36 x 66 8 ice water barrier 200 sq. 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. Gravity allows the water to flow over the tar paper down to the edge of the roof. 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 water shield 36 in x 75 ft 200 sq ft rubber roof underlayment. Ice and water shield is a far superior product compared to basic roofing felt paper. It must be installed the full length of all valleys. In the video it s been installed on the entire roof.

Gcp invented fully adhered roofing underlayments more than 35 years ago. Ice dams are a serious issue for homeowners and roofing professionals in cold climates or even where occasional snow may fall. Item 169827 model 5003002. 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.

Ft to the compare list. If you are not using the elastomeric membrane i would put roofing paper over the entire roof. 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. 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.

Ice and water shield roofing paper 15. Traditional felt paper does a decent job at stopping most leaks where water gets under shingles tiles metal or slate. Weatherwatch protects against ice dams is required at eaves by many building codes wherever the january average temperature is 25 f or lower or where there is a possibility of ice forming in the eaves check local building codes for specifications in your area.