What Is Ice Shield Membrane

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.).

What does ice shield mean?

Ice and water protectors (sometimes called ice and snow shields in cold climates) are made with polymer-modified bitumen. … 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.

What is ice and water shield made of?

Grace Ice & Water Shield® is a premier membrane composed of two waterproofing materials—an aggressive rubberized asphalt adhesive backed by a layer of high density cross laminated polyethyl- ene. The rubberized asphalt surface is backed with a foldless release paper that protects its adhesive quality.