Ice And Water Shield Over Whole Roof

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 over whole roof.

Asphalt shingles are a little bit permeable in windy conditions but not very. Tar paper roofing felt thermoplastic polyolefin etc or cheaper. Ice dams are a serious issue for homeowners and roofing professionals in cold climates or even where occasional snow may fall. Many types of roofing including epdm and standing seam steel roofing are virtually impermeable to water vapor.

Ice and water shield is a great product that can be used in spots to protect the most vulnerable areas of your roof or as a whole roof underlayment to protect from ice dams water dams storms and leaking in any area of the country and any weather. Other types of roofing including cedar shingles and concrete tile roofing are fairly permeable. The arguement that oh i would hate to be the next guy having to remove the ice and water shield couldn t you just remove the shingles leave the ice and water down and then put new ice and water on top of the old. 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 the melted water flows under the snow and freezes as it reaches the unheated soffit area at the eaves thus.

The video shows you exactly what ice water shield looks like and where it s installed. In the video it s been installed on the entire roof. Ice and water shield the whole roof. 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.