Does ice and water Shield go on eaves and rakes?
Eaves and rakes – Ice and water shield is used on eaves to help protect the decking and interior of the home from damage caused by ice dams that may occur due to the freeze/thaw during the winter months.
Does ice and water Shield go behind gutter?
It should be installed behind the gutter and over the top of the fascia board, eliminating the gap between the fascia board and first roof board. When installed correctly, the ice and water shield will extend up the roof from the fascia board to a minimum of 2” past the exterior wall.
Should you ice and water shield your whole roof?
Should you get ice and water shield installed? You can (and should, in my opinion) insist on installing ice & water shielding throughout your entire roof, especially if you know your home is prone to ice dam leaks. Just be prepared for push-back from your roofer.
Can ice and water shield be left exposed?
Grace Ice & Water Shield can be left exposed for up to a full 30 days and can even be used as a temporary roof if final roof coverings are delayed. Unlike many thicker membrane underlayments with laps that are visible through roof coverings, Grace Ice & Water Shield remains invisible.
Does flashing go over or under ice and water shield?
The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge.
Do you overlap ice and water shield?
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.
Do you put tar paper over ice and water shield?
Method 1: Install the ice-barrier membrane according to the manufacturer’s instructions with the drip edge installed on top of the membrane. Then install regular roofing underlayment (tar paper) over the top of the drip edge (and over the ice barrier) and continuing all the way up the roof.
Is ice and water shield necessary?
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.
Is ice and water shield a vapor barrier?
GRACE ICE & WATER SHIELD® membrane is an air and vapor barrier. Repair holes, fishmouths, tears, and damage to membrane with a round patch of membrane extending past the damaged area 6 in. (150 mm) in all directions. If fasteners are removed leaving holes in the membrane, they must be patched.
How long can ice and water shield stay exposed?
Grace Ice & Water Shield can be left exposed for up to a full 30 days and can even be used as a temporary roof. Unlike many thicker membrane underlayments with laps that are visible through roof coverings, Grace Ice & Water Shield remains invisible.
How long does Ice Shield last?
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.
Will ice and water shield stick concrete?
Install Grace Ice & Water Shield directly on a clean, dry, continuous structural deck. Some suitable deck materials include plywood, wood composition, wood plank, metal, concrete, or gypsum sheathing.
How far should drip edge be from fascia?
Drip edge lip extension: 1/2′ Recommended drainage gap: 1/4′ (approx) spaced off of the fascia board.
Does drip edge go on before fascia?
The correct placement of a roof drip edge is on top of the roof’s exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. As a result, the drainage improves water flow and protects the roof from potential water damage.
Is ice and water shield the same as tar paper?
Roofing ice and water shield may look like traditional felt paper, but it’s vastly different in performance. Traditional felt paper does a very good job at stopping most leaks where water gets under shingles, tiles, metal or slate.
Can you use ice and water shield on a flat roof?
Yes, you can use an ice and water shield on flat roofs. It provides two necessary layers of protection for your roof that will absorb small amounts of moisture under the membrane if any water passes through the leak barrier.
How far should shingles overhang drip edge?
Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.
Should gutters be installed under drip edge?
It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. A drip edge refers to a component that hangs over the roof and has an outward projecting lower edge.
How far should roof sheathing overhang fascia?
The best installation method is to leave a gap between the drip edge and the fascia board, about the width of a finger. The shingles should also overhang the drip edge 3⁄8 to 1/2 an inch.
Does fascia go on before shingles?
If your roofers are replacing your fascia board as part of a full roof replacement, then they will install the new shingles before they address the fascia. There is no way to replace the fascia board without removing the gutters, as the gutters are mounted to the board.
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