How much does a roll of Grace Ice and Water Shield Cover?

How much does a roll of Grace Ice and Water Shield Cover?

225 sqft roll, ice & water shield, self-adhered membrane forms a watertight seal around roof fasteners, apply at eaves & in detail areas to prevent leaks caused by ice dams & on the whole roof to prevent leaks caused by wind driven rain, roll dimension: 36 in.

Do shingles stick to grace ice and water shield?

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).

Can Grace Ice and Water Shield be left exposed?

GCP’s underlayments (GRACE ICE & WATER SHIELD®, GRACE ICE & WATER SHIELD® HT, GRACE ULTRA™, GRACE SELLECT™, GCP granular underlayment, Roof Detail Membrane™, TRI-FLEX® and TRI-FLEX® 15) are not meant to be left permanently exposed to the sun.

What does ice and water shield do?

Ice and water shield is a waterproof membrane used to protect your roof from ice and water damage. Its main purpose is to protect your roof decking if water gets underneath your roofing material (asphalt shingles, metal roof, etc.).

How long does ice and water 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.

What underlayment to use for shingles?

What Is Roofing Underlayment? Roofing underlayment is what lies between the shingles and the roof sheathing, or roof deck, which is typically either plywood or OSB. It’s installed directly on the roof deck and provides a secondary layer of protection from the elements, including rain, snow, and wind.

Is it bad to ice and water whole roof?

The only real negatives of covering your entire roof with ice & water shield are (1) cost and (2) potential ventilation problems (which are very rare). Ice & water shield acts as a vapor suppressor, so it not only keeps the water out, but also keeps the moisture in.

Can you ice and water shield a whole roof?

Potentially, covering an entire roof with ice and water protector can prevent leaks even after high wind conditions blow shingles off the roof—preventing further damage and making repair easier. However, because the modified bitumen back surface is continuous, these membranes can result in a vapor barrier.

Is tar paper necessary under shingles?

Answer: Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. But don’t let the lack of underpayment become a major issue for you, because it is simply not required for a second layer of composition shingles.

Do you need paper under shingles?

No matter what type of asphalt shingle you are using, whether traditional or more robust styles (such as under premium designer, architectural and performance shingles) it is recommended to use a underlayment.