Ice And Water Shield Metal Roofing
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.
Ice and water shield metal roofing. The ice and water shield is an amazing roofing product that was first introduced in the 1980s. Most manufacturers of fully adhered roofing underlayment or ice and water shield offer their product in two major categories. And also in southern climates it s put on the entire roof because even if the shingles blow off it keeps the water out. Ice water.
Hence it s name is ice and water shield. 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 diamonds on his roof. Grace ice water shield ht underlayment also offers leak protection in trouble prone spots like valleys skylights protrusions and other flashing areas. Note that grace makes grace ice amp.
There are chemical concerns depending on your metal finish so you should confirm with the metal roofing supplier. Many metal roofs are attached using screws where ice and water shield prefers smooth fasteners for the best seal. That being said a properly installed metal roof will be about 100x less likely to leak as a result of and ice damn than asphalt shingles. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
Ht specifically for use under metal roofing. 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. Concrete clay roof tiles. 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.
If you have a metal roof you generally don t have that problem because even if you do get ice it s going to build up at the edge. It self seals around nails and provides protection for roof areas prone to ice and water intrusion. Grace ice water shield is supplied in 3 ft wide rolls of varying lengths. Grace ice water shield ht roofing membrane is used as an underlayment for sloped roofs to resist water penetration due to water back up behind ice dams or wind driven rain.