Ice Sheild 3 Foot Up 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 on and into your attic.

Ice sheild 3 foot up the roof. 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. Up into the regular roof. 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. Gcp applied technologies grace ice and water shield 36 in.

In many northern states and provinces your local building codes will mandate a minimum width of ice and water protector around your eaves valleys or other features. For a regular roof it is probably not worth it. The ice and water shield is an amazing roofing product that was first introduced in the 1980s. I have a mansard roof and did the entire slanted wall part in ice water shield then 3 ft.

Comes in black color family. In colder regions a good practice is to cover the first 3 feet 36 inches or 0 91 m of roof over heated space with ice and water protector. If you have a roof that you know to be older than 1980 it won t have this great product under the shingles. Grace ice water shield underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas.

Now since ice water shield comes in rolls 3 feet wide generally one course isn t enough. To prevent leaks from ice dams you may want the product to extend up from the edge of the roof at least 3 feet but 6 feet is better. That s why the vast majority of roofs end up with a 6 foot swath of ice water shield along their overhangs. Not all roofing underlayments are the same.

Massachusetts building codes require roofers to install ice water shield beginning at the edge of the overhang eave and extending at least 2 feet past the inside of the interior wall. Unless you are doing it yourself then the cost wouldn t be too much. All overhangs should also be covered. Protect your roof from harsh weather conditions by using this grace ice and water shield roll roofing underlayment.

Because most ice water shield comes in rolls 3 feet wide one pass typically isn t quite enough to cover the distance between the drip edge and 2 feet past the interior wall on most homes. Years ago when ice dams caused lots of leaks it was recommended to put on a 3 foot strip of ice and water shield rubber like membrane along the bottom edge of the roof to prevent water ice dams. Roll self adhered roofing underlayment 225 sq. If the roof has a low slope you absolutely want to extend the barrier product up the roof quite a distance.