Ice dams are a serious issue for homeowners and roofing professionals in cold climates or even where occasional snow may fall.
How to install ice barrier on roof.
Install waterguard rain ice first in roof valleys see instructions below and as a flashing membrane at roof to wall transitions around vents curbs skylights and other roof penetrations.
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.
Install the ice barrier membrane according to the manufacturer s instructions with the drip edge installed on top of the membrane then install regular roofing underlayment tar paper over the top of the drip edge and over the ice barrier and continuing all the way up the roof.
A basic demonstration for roofing contractors and homeowners on how to install gaf weatherwatch stormguard.
Help prevent leaks caused by wind driven rain and ice dams.
Once in place follow by flashing the rakes.
A couple of examples of how far up the slope of the roof the ice barrier membrane must be installed.
A new roof is more than just shingles.
As seen in m.
Overhang and a 2 6 exterior wall.
See the benefits of leak barriers.
Of sheet is strips of the membrane can also be used as stripping.
8 pitch roof with a 12 in.
47 inches up the roof slope from the drip edge.
6 pitch roof with a 12 in.
Get the real story about drip edge placement.
50 1 2 inches up the roof slope from the drip edge.
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Overhang and a 2 6 exterior wall.