Grace Ice And Water Shield Nail Laps High Pitch Roofs

Grace ice water shield is designed to perform for the life of the roof covering.

Grace ice and water shield nail laps high pitch roofs.

Cut the membrane into 10 15 ft 3 5 m lengths and reroll loosely. Apply roof covering material at temperatures of 40 f 5 c or higher. Grace ice water shield is used as an underlayment for sloped roofs to resist water penetration due to water back up behind ice dams or wind driven rain. Peel back 1 2 ft 300 600 mm of release liner align the membrane and continue to peel the release liner from the membrane.

Using ice water shield. The best defense against ice dams in cold climates is a so called cold roof consisting of high levels of ceiling insulation separated from the roof surface by a free flowing vent space see preventing ice dams page 97 in the printed text best. Ice dams grace ice water shield should be used in conjunction. Back nail the waterguard rain ice when a section of roof is covered use a heavy membrane roller over the entire surface to ensure complete adhesion.

Seals around nails the rubberised asphalt layer in grace ice water shield seals around roofing nails resisting leakage caused by water back up behind ice dams or from wind driven rain. Roll overlap areas thoroughly. I am about to reroof using grace ice and water shield for the first two courses then a synthetic underlayment above. Grace ice water shield ht 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.

Tack secure the end of the roll with a nail. Eaves flashing recommendations for asphalt shingle roofs. Peel back 300 600 mm 1 2 ft of release liner align membrane. I was considering applying the synthetic underlayment over the ice and water as well as i have read that shingles will often adhere so badly to i w products that you have to take the decking out to reroof 20 30 years down the line.

Press the membrane in place with heavy hand pressure. Grace ice water shield also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas. Here s how proper installation of grace ice water shield the conventional method. Forms watertight seal at overlaps.

Apply roof covering material at temperatures of 40 f 5 c or higher. If installed properly this reliable roofing underlayment can save homeowners 18 000 in reroofing costs. Peel back 1 2 ft 300 600 mm of release liner align the membrane and continue to peel the release liner from the membrane. End laps can be 4 to 6 and side laps in overlying courses lapped to either the 2 or 4 lay lines.

Grace ice water shield ht underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas. Forms a watertight seal around fasteners used to install shingles and other roof coverings. Protects all standard sloped roofs slate tile shakes or metal as well as ordinary asphalt shingles.