Ice And Water Shield Diagram

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.

Ice and water shield diagram. Ft 3 ft x 36 ft 225 sq. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. The roofer laps the material up onto the object and cuts it at corners or curves in a special way to create a leak proof barrier. Press the membrane in place with heavy hand pressure.

City hall is located at 4200 mills civic pkwy m f 8 a m. Ft 3 ft x 75 ft. On roofs with a pitch lower than 4 12 but greater than 2 12 this requirement changes and the roof must entirely be covered with ice water shield before asphalt shingles can be applied. Grace ice water shield is a versatile underlayment material that may be used on sloped roofs under mechanically attached roof coverings such as asphalt shingles slate tile cedar and standing seam metal in many climate and assembly conditions see limitations for additional information.

Ice and water shield is perfect to use around skylights chimneys plumbing vents ventilation caps or anything that penetrates up through a roof. Proper installation of grace ice water shield the conventional method. These convenient reference markings help make installing grace ice water shield easier than ever before 5 grace ice water shield is available in 2 roll sizes. Follow with application of drip edge flashing and waterguard rain ice as described above.

Cut the membrane into 3 5 m 10 15 ft lengths and re roll loosely. Ice under the drip edge and ensure it covers the junction of roof and fascia. Po box 65320 west des moines iowa 50265 0320. Grace ice water shield is supplied in 3 ft.

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. The below diagram helps outline exactly how to determine how much ice water shield is needed on any given roof above 4 12 pitch. See figure 6 a single length of waterguard rain ice works best but if that isn t possible successive overlaps should be 6. 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.