Ice And Water Shield Under Metal Roof

It stops ice dams which can freeze at the edge and build up and leak under the shingles.

Ice and water shield under metal roof.

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. Grace ice and water shield ht fully adhered smooth grace ice and water shield ht fully adhered smooth surface roofing underlayment is specifically designed for high temperature applications such as metal and tile roofs. If you have a roof that you know to be older than 1980 it won t have this great product under the shingles. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.

The ice and water shield is an amazing roofing product that was first introduced in the 1980s. It self seals around nails and provides protection for roof areas prone to ice and water intrusion. Not all roofing underlayments are the same. Most manufacturers of fully adhered roofing underlayment or ice and water shield offer their product in two major categories.

These categories are regular and what s known as high temp i never really thought too much about the difference until a customer of mine had a problem with a black substance oozing out between the metal. The product should be a premium high temperature ice and water shield for use with tile metal and other roofs with scrim reinforced top surface.