How To Install Ice And Water Barrier On A Roof

The drip edge will be installed over the ice and water protector and other underlayments at roof rake edges you should install ice and water protector before other underlayments including roof felt.

How to install ice and water barrier on a roof.

Tar paper roofing felt thermoplastic polyolefin etc or cheaper. When installed correctly the ice and water shield will extend up the roof from the fascia board to a minimum of 2 past the exterior wall. Install the ice barrier membrane according to the manufacturer s instructions with the drip edge installed on top of the membrane. Peel the release liner from the membrane.

This ice water shield is applied as an underlayment prior to putting the shingles on the roof. 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. This kind of placement ensures that the shield protects your roof against leaks and prevent ice dams from forming along the edge of your roof or gutters which are most vulnerable during the winter. During winters when there is a lot of snow and ice dams form higher up the roof slope water can pond up behind the dams and reach higher than 36 in.

The conventional method cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely. Then apply along the eaves. In the video it s been installed on the entire roof. The video shows you exactly what ice water shield looks like and where it s installed.

Of sheet is strips of the membrane can also be used as stripping. The winter of 2014 2015 in my southern new england area reinforced the need for ice barriers to be installed according to the code. An ice and water shield is a great roofing product to create leak free roofs. 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 and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave. Once in place follow by flashing the rakes. Synthetic underlayment like an ice and water shield is quite a bit lighter rolls out in large rolls and is made of polypropylene fiberglass polyethylene and. This ice shield seals nail holes better then regular tar paper roofing materials.