Here s how proper installation of grace ice water shield the conventional method.
Installing ice and water shield on existing roof.
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.
Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave.
This ice water shield is applied as an underlayment prior to putting the shingles on the roof.
Bruce asked me the following question.
Ice and water shield is a membrane that will stop all leaks.
This lets any water that gets on the roof run down the underlayment and over the drip edge.
Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely.
Installing ice and water shield roofing text.
Peel back 300 600 mm 1 2 ft of release liner align membrane.
If installed properly this reliable roofing underlayment can save homeowners 18 000 in reroofing costs.
This ice shield seals nail holes better then regular tar paper roofing materials.