Ice and water shield is a membrane that will stop all leaks.
Installing ice and water shield on existing roof.
Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely.
The best way is to install the roof drip edge only along the eaves first then place ice and water barrier in the snowbelt or felt paper underlayment over the drip edge.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
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.
Peel back 300 600 mm 1 2 ft of release liner align membrane.
Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave.
Installing ice and water shield roofing text.
This lets any water that gets on the roof run down the underlayment and over the drip edge.
This ice shield seals nail holes better then regular tar paper roofing materials.
When water and ice is installed should it be adhesive backed and should it be on the bare sheathing at first i was going to give my standard response but i thought this would be an excellent teaching moment.
Here s how proper installation of grace ice water shield the conventional method.