If installed properly this reliable roofing underlayment can save homeowners 18 000 in reroofing costs.
How to put ice shield on a roof.
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.
You should install ice and water protector before other underlayments including roof felt.
The best ice and water shield products come with a sbs co polymer in them that makes them very sticky so they bond permanently to the wood roof sheathing once the sun heats them up.
It should be installed behind the gutter and over the top of the fascia board eliminating the gap between the fascia board and first roof board.
Ice and water shield is a great product that can be used in spots to protect the most vulnerable areas of your roof or as a whole roof underlayment to protect from ice dams water dams storms and leaking in any area of the country and any weather.
When installed correctly the ice and water shield will extend up the roof from the fascia board to a minimum of 2 past the exterior wall.
Around roof features like dormers and chimneys you should place ice and water protector below flashing.
Here s how proper installation of grace ice water shield the conventional method.
The best products are adhesive backed and come with a puncture proof guarantee.
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.
Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely.
Peel back 300 600 mm 1 2 ft of release liner align membrane.
Install the ice barrier membrane according to the manufacturer s instructions with the drip edge installed on top of the membrane.