Installing Metal Roofing Directly Over Ice And Water Shield

Articles education general metal roofing about mike gonet mike gonet is senior partner operations at classic metal roofs where he strives to provide a solid workplace for employees and an exceptional experience for clients in the way of service and product installation.

Installing metal roofing directly over ice and water shield.

If you have a roof that you know to be older than 1980 it won t have this great product under the shingles. That being said a properly installed metal roof will be about 100x less likely to leak as a result of and ice damn than asphalt shingles. Ice dams are formed by the continuous melting and freezing of snow due to heat escaping from the house or from a backup of frozen slush from the rain gutters the melted water flows under the snow and freezes as it reaches the unheated soffit area at the eaves thus. High temperature hot roof construction ice shield metal roof underlayments water shield categories.

There are several reasons for this. If the ice water shield goes down first the plywood is better protected. My concern is attaching the metal to the roof without any decking directly below the metal. I ve been trying to convince them to install a mechanically seamed standing seam metal roof but they like the look of comp better.

Peel back 300 600 mm 1 2 ft of release liner align membrane. Here s how proper installation of grace ice water shield the conventional method. Some suitable deck materials include plywood wood composition wood plank metal concrete and gypsum sheathing. Ice dams are a serious issue for homeowners and roofing professionals in cold climates or even where occasional snow may fall.

Learn how ice water shield tiger paw underlayment and gaf roof shingles are installed in this today s home remodeler episode with host stuart keith and an. In terms of the i w shield it does need to be applied directly to the deck of the home and not to the felt. Install grace ice water shield roofing underlayment directly on a clean dry continuous structural deck. Grace the manufacturer of ice water shield advises that its peel and stick membrane should be installed before the drip edge.

Not all roofing underlayments are the same. Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely. Our roofer is reluctant to install comp on a 3 5 12 pitch as the national roofing association says 4 12 or steeper only. I am suggestion that they cover the entire roof with ice water shield.

The ice and water shield is an amazing roofing product that was first introduced in the 1980s. If ice ever backs up from a clogged gutter the ice can get under the drip edge and reach the plywood.