Ice And Water Shield Roof Valley

The membrane is manufactured by applying a unique elastomeric asphalt formulation to a fibreglass mat.

Ice and water shield roof valley.

If the manufacturer requires the use of ice water i w in the valley because of the shingle type pitch of roof harsh climate area etc then i would use it with your valley metal. If you have a more complicated roof with valleys skylights dormers vent pipes or chimneys it s a good idea to have ice and water shield installed in and around these areas as well as along the eves. If the ice and water shield is missing then you will have to remove the shingles on both sides along the valley put ice and water shield in place and re shingle the roof. Grace ice and water shield roofing underlayment a registered trademark of gcp applied technologies is the name that contractors trust the most to protect their reputations.

Grace ice water shield roofing membrane is used as an underlayment for sloped roofs to resist water penetration due to water back up behind ice dams or wind driven rain. Weathertex is a self sealing sanded membrane for roofing eave protection valley hip and ridge the perimeter of the roof and all protruding elements on the roof against ice and water infiltration. Of course if the above is not the case then you have more freedom to choose what you want o apply in the valley. Eave valley protector grip rite eave valley protector provides additional protection against roof damage caused by ice and water.

What do ice and water shields do. Ice and water protector sometimes also referred to as ice and water shield is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage. 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. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.

In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in table r301 2 1 an ice barrier shall be installed for asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes. Grace ice water shield underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas. If an ice dam occurs on your roof and water backs up under the shingles it will seep down into your home through the nail holes holding the shingles on and into your attic. An ice and water shield is a modified self adhered leak barrier.