Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely.
Roof ice and water shield installation.
Where is ice water shield needed.
Ice water shield acts as a gasket around each of those nail holes creating a water tight barrier that won t let any leaks happen.
You should install ice and water protector before other underlayments including roof felt.
If water does get under the shingles it will stay on top of the ice water shield and run off your roof where it belongs.
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.
How should ice and water protector be installed on a roof.
If installed properly this reliable roofing underlayment can save homeowners 18 000 in reroofing costs.
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.
What do ice and water shields do.
Peel back 300 600 mm 1 2 ft of release liner align membrane.
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.
Around roof features like.
Does ice and water shield protect against hurricanes.