Ice shield is a pain ice and water shield solves a problem for homeowners it creates a waterproof seal for nails passing through that keeps melting ice out of the building.
Roof deck ice and rain shield.
Apply grace ice water shield underlayment in fair weather when the air roof deck and membrane are at temperatures of 40 f 5 c or higher.
By design ice shield adheres to the roof deck.
Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
Grace ice and water shield roofing underlayment a registered trademark of gcp applied technologies is the name that contractors trust the most to protect their reputations.
This is great but ice shield also creates other problems for roof installers.
Apply roof covering material at temperatures of 40 f 5 c or higher.
Grace ice and water shield fully adhered smooth surface roofing underlayment provides best in class roof leak protection against wind driven rain and ice dams.
Synthetic underlayment like an ice and water shield is quite a bit lighter rolls out in large rolls and is made of polypropylene fiberglass polyethylene and polyester.
Also use weatherlock self sealing ice water barrier products on areas of the roof where water has a tendency to collect or flow.
Owens corning roofing offers weatherlock self sealing ice water barrier products and are designed for both new construction and re roofing projects.