Roof Ice Water Barrier

Section r905 1 2 ice barriers in the 2018 irc says the ice barrier shall extend from the lowest edges of all roof surfaces to a point not less than 24 inches inside the exterior wall line of the building a couple of examples of how far up the slope of the roof the ice barrier membrane must be installed.

Roof ice water barrier.

The decking and your attic or home beneath that. Owens corning 200 sq. Denver area roofing companies must install water and ice barrier in some jurisdictions as it is required by code. Weatherlock g granular self sealing ice and water shield leak barrier model 891705 view the owens corning total protection roofing system.

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. 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. Find roof ice water barriers at lowe s today. These conditions occur during wind driven rain and even more so during water backfrom ice dams our previous post discusses ice damming.

Grace ice and water shield roofing underlayment a registered trademark of gcp applied technologies is the name that contractors trust the most to protect their reputations. Ice and water barrier is a self adhering rubberized membrane that protects your roof from leaking due to excessive water conditions. 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. 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 exterior wall line of the building.

Water and ice barrier keeps ice and water away from what s underneath it i e. Because it adheres to the roof deck it is a superior product to traditional underlayments.