Ice And Water Shield Under Metal Roof

Most manufacturers of fully adhered roofing underlayment or ice and water shield offer their product in two major categories.

Ice and water shield under metal roof.

Not all roofing underlayments are the same. 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. 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. If you have a roof that you know to be older than 1980 it won t have this great product under the shingles.

It delivers all the advantages of grace ice and water shield roofing underlayment with thermal stability metal and tile. 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. 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. Ice and water protector sometimes also referred to as ice and water shield is a waterproof roof underlayment membrane developed to protect vulnerable areas on a roof from ice and water damage.

Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. It stops ice dams which can freeze at the edge and build up and leak under the shingles.