Installing Ice And Water Shield On Roof

Grace ice water shield introduced in 1978 is our flagship product with over 2 million successful installations in 25 different countries.

Installing ice and water shield on roof.

Grace ice water shield underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas. Grace ice water shield roofing membrane is used as an underlayment for sloped roofs to resist water penetration due to water back up behind ice dams or wind driven rain. 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. 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 installatio.

Here s how proper installation of grace ice water shield the conventional method. This ice shield seals nail holes better then regular tar paper roofing materials. Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely. This ice water shield is applied as an underlayment prior to putting the shingles on the roof.

An ice and water shield is a great roofing product to create leak free roofs. Continue installing waterguard rain ice up the roof from the eaves and along the rakes no less than 24 past the interior warm inside walls of the house2 or a spot well above the highest expected level of water backup from ice dams or according to adopted building code requirements. Be aware that ice dams extend further. Ice and water protector sometimes also referred to as ice and water shield is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage.

If installed properly this reliable roofing underlayment can save homeowners 18 000 in reroofing costs. With the code recommended installation of the ice barrier over the drip edge water can back up at the eaves edge and get behind the vertical leg of the drip edge where it can end up flowing into the joint between the fascia and the roof sheathing. But ice dams can form in the gutter as well as on the 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.

Peel back 300 600 mm 1 2 ft of release liner align membrane.