By creating a barrier at the most vulnerable areas of your asphalt shingle roof at the eaves and rakes in valleys around chimneys etc weatherwatch mineral surfaced leak barrier helps prevent leaks due to water backing up in your gutters wind driven rain and in the north damaging ice dams.
Roof ice and water shield installation.
Not only does ice and water shield installation stop leaks caused by ice dams but it also stops leaks created by fierce wind driven rain.
Published on aug 25 2017 one person can install long lengths of ice and water shield to the roof however it is easier for two people to install especially with some new installation tricks.
Here s how proper installation of grace ice water shield the conventional method.
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.
Apply roof covering material at temperatures of 40 f 5 c or higher.
Ice and water shield products are hidden by the finished roofing materials.
Cut the membrane into 10 15 ft 3 5 m lengths and reroll loosely.
Membrane installation apply grace ice water shield underlayment in fair weather when the air roof deck and membrane are at temperatures of 40 f 5 c or higher.
The big question is do i install the ice and water shield over or under the felt or synthetic underlayment the next question should i install the iws o.
Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave.
Peel back 300 600 mm 1 2 ft of release liner align membrane.
Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely.
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.
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.