Ice On Roof Sheathing

A strong resilient roof is a home s first line of defense when the roof deck is exposed to weather.

Ice on roof sheathing.

Zip system roof assembly combines our revolutionary integrated sheathing and flashing tape or liquid flashing to provide a sealed roof for protection against moisture intrusion during construction or if high winds strip the roof covering away. R905 8 2 deck slope wood shakes shall only be used on slopes of three units vertical in 12 units horizontal 25 percent slope or greater. In areas where the average daily temperature in january is 25 f 4 c or less solid sheathing is required on that portion of the roof requiring an ice barrier. 905 1 2 ice barriers in areas where there has been a history of ice forming along the eaves causing a backup of water as designated in table 301 2 1 an ice barrier shall be installed for asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes.

1 inch 25 4 mm 1 mile per hour 0 447 m s. Installation manual zip system sheathing wall and roof zip system sheathing and tape fact sheet integrated sheathing or housewrap white paper zip system brand brochure house of brands brochure view all. Scroll down 01. United roofing gator skin synthetic roof underlayment 42 in x 285 8 ft 1 000 sq ft synthetic roof underlayment.

But ice dams can form in the gutter as well as on the roof. In areas where the average daily temperature in january is 25 f 4 c or less solid sheathing is required on that portion of the roof requiring an ice barrier. There it soaks the insulation rendering it much less effective and can leak through the ceiling drywall below and into your living space. R905 8 2 deck slope wood shakes shall only be used on slopes of three units vertical in 12 units horizontal 25 percent slope or greater.

The ice begins to back up under the roof shingles where it melts again soaking the roof sheathing and leaking into the attic. Also large ice dams can be very heavy and can damage gutters and even.