6"A single length of WaterGuard Rain & Ice works best, but if that isn't possible, successive overlaps should be 6". Firmly hand-roll the laps to ensure a complete, water- tight bond. As you apply WaterGuard Rain & Ice complete adhesion to the contour of the valley and up the sides is essential.
2:565:39Ice and Water Shield | Complete Guide and Install - YouTubeYouTubeStart of suggested clipEnd of suggested clipHere the ice and water shield needs to be installed. Right along the bottom of the eave. AndMoreHere the ice and water shield needs to be installed. Right along the bottom of the eave. And typically it's going to be three feet up or just one roll out of your roll of ice and water shield.
“In parts of the country where severe ice dams and wind- driven rain can cause leaks, use two layers of Grace Ice & Water Shield around the eaves – one directly on top of the other with the flashing or perimeter metal in between the two membrane layers.”
225 ft²DimensionsCoverage Area (sq. ft.)225 ft².04 inProduct Width (in.)36 in75
That said, you can cover your entire roof with an ice and water shield, and it could help prevent leaks if you live in an area with extreme winds. But if you do, make sure you also add a ventilation system to your attic to prevent condensation.
The minimum is typically 2 feet (24 inches or 0.60 m) above the vertical projection of the inside of the exterior wall. 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.
The original, fully-adhered roofing underlayment, Grace Ice & Water Shield®, now has an extended exposure limit of 90 days. For more than 35 years, Grace Ice & Water Shield® has been the brand that roofing contractors and architects trust most to specify and install on marquee projects around the world.
#xactimate line item of the day, Ice and Water Shield – (RFG IWS). Standard Calculation = (EAVE*6) + (VAL*3) 1507.2.
1:222:25How to Know How Much Ice and Water Shield You Need - YouTubeYouTubeStart of suggested clipEnd of suggested clipHowever these ice and water shield roles come in three feet we're not gonna just cut a foot off andMoreHowever these ice and water shield roles come in three feet we're not gonna just cut a foot off and leave you hanging we put the extra foot on there because it just makes sense.
Grace Ice &Water Shield also offers leak protection in trouble prone areas like valleys, skylights, protrusions and other flashing areas. Sold by the roll. Size: 225 square feet roll.
"Grace, the manufacturer of Ice & Water Shield, advises that its peel-and-stick membrane should be installed before the drip edge. There are several reasons for this. If ice ever backs up from a clogged gutter, the ice can get under the drip edge and reach the plywood.
It's crucial to have ice and water shield installed on/around certain areas of your roof, like roof valleys, around penetrations, and on roofs that have a 2/12, 3/12, or 4/12 pitch. Because of its importance, every roof needs to have it. There's also a code if you live in an area above the snow line in the US.