Not all roofing materials require an ice barrier.
Roofing underlayment ice.
Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen.
The best defense against ice dams in cold climates is a so called cold roof consisting of high levels of ceiling insulation separated from the roof surface by a free flowing vent space see preventing ice dams page 97 in the printed text best practices guide to residential construction.
Grace ice water shield 36 in x 75 ft 200 sq ft rubber roof underlayment.
Ice water topshield s roof underlayment ice water defender series has excellent resistance and dimensional stability.
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.
It also makes the grace and ice water shield one of the best options for the best waterproof roofing underlayment.
Topshield s underlayment products have been created with the professional roofing contractor in mind.
Minimum overlap guidelines are set by the manufacturer.
Rhinoroof granulated self adhered underlayment provides that essential waterproof barrier as a second line of defense against water mitigation.
Whether the building is faced with wind driven rain or the potential for ice damming having a waterproof barrier will help provide protection for a long lasting roof.
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.
Gcp invented fully adhered roofing underlayments more than 35 years ago.
Roofing materials that do require an ice barrier are.
Asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes.
Some contractors prefer the back roll method.
Other than that this strong underlayment does feature a decent textured surface which offers better overall safety than some of the other brands out there.
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.
