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.
Ice sheild 3 foot up the roof.
Grace ice water shield underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas.
Comes in black color family.
The ice and water shield is an amazing roofing product that was first introduced in the 1980s.
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.
Ft 5003002 the home depot.
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.
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.
If you have a roof that you know to be older than 1980 it won t have this great product under the shingles.
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.
All overhangs should also be covered.
I put it over my entire roof because ice dams can form far up a roof.
Roll self adhered roofing underlayment 225 sq.
Now since ice water shield comes in rolls 3 feet wide generally one course isn t enough.
Unless you are doing it yourself then the cost wouldn t be too much.
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.
Up into the regular roof.
Protect your roof from harsh weather conditions by using this grace ice and water shield roll roofing underlayment.
Not all roofing underlayments are the same.
For a regular roof it is probably not worth it.
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.
That s why the vast majority of roofs end up with a 6 foot swath of ice water shield along their overhangs.
I like this for my situation because of the window dormers and being able to wrap everything.
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.
If the roof has a low slope you absolutely want to extend the barrier product up the roof quite a distance.
