Ice And Water Shield Roof Valley

An ice and water shield is a modified self adhered leak barrier.

Ice and water shield roof valley. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. Of course if the above is not the case then you have more freedom to choose what you want o apply in the valley. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. 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.

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. 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. 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. Eave valley protector grip rite eave valley protector provides additional protection against roof damage caused by ice and water.

Install beneath shingles along with areas where water may collect such as around chimneys valleys vents skylights or other similar areas. 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. Ice water shield is a thick sticky back underlayment also known as felt paper that will adhere to your roof deck and prevent water from seeping into your home if it gets under your shingles. 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.

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. The membrane is manufactured by applying a unique elastomeric asphalt formulation to a fibreglass mat. Grace ice water shield underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas. 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.