Ice And Water Roofing

What does felt paper do.

Ice and water roofing.

Roofing ice and water shield may look like traditional felt paper but it s vastly different in performance. Ice and water shield is a far superior product compared to basic roofing felt paper. Not all high temperature roofing underlayments are the same. Grace ice water shield self adhered roofing underlayment is a premier membrane composed of two waterproofing materials an aggressive rubberized asphalt adhesive backed by a layer of slip resistant coated high density cross laminated polyethylene film.

Weatherlock flex flexible self sealing ice water barrier provides excellent roof deck protection against water infiltration resulting from the freeze thaw cycle wind driven rains and normal water flow around eaves rakes valleys vents chimneys and skylights. Traditional felt paper does a decent job at stopping most leaks where water gets under shingles tiles metal or slate. Roofing ice and water shield is a critically component to any new roofing system especially in cold weather climates. Grace ice and water shield ht is an excellent high temperature ice and water barrier that follows in the footsteps of the original ice and water shield but is specially formulated to meet the higher service temperatures that are inherent to metal and tile roofs.

Many local building codes require ice and water shield and national building code states ice and water shield must start at the roofs eave edge and extend 2 ft inside heated wall space of a structure. Ice dams are formed by the continuous melting and freezing of snow due to heat escaping from the house or from a backup of frozen slush from the rain gutters the melted water flows under the snow and freezes as it reaches the unheated soffit area at the eaves thus. Ice dams are a serious issue for homeowners and roofing professionals in cold climates or even where occasional snow may fall. The video shows you exactly what ice water shield looks like and where it s installed.

Ice water. The guy also talks about how the ice water shield seals itself around roofing nails which helps to distinguish it from a traditional underlayment product e g. Ice barrier in areas where there has been a history of ice forming along the eaves causing a backup of water an ice barrier that consists of at least two layers of underlayment cemented together or of a self adhering polymer modified bitumen sheet shall be used in lieu of normal underlayment and extend from the lowest edges of the roof surfaces to the point at least 24 inches inside the. Ice and water shield is a great product that can be used in spots to protect the most vulnerable areas of your roof or as a whole roof underlayment to protect from ice dams water dams storms and leaking in any area of the country and any weather.

In the video it s been installed on the entire roof.