Ice And Water Shield Roof Code

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 roof code.

In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in table r301 2 1 an ice barrier shall be installed for asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes. 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. Rise of the roof to the horizontal run and is expressed as a fraction. Building codes questions ray boosinger phone.

In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in table r301 2 1 an ice barrier that consists of at least two layers of underlayment cemented together or a self adhering polymer modified bitumen sheet shall be used in place of normal underlayment and extend from the lowest edges. 4101 1 15 01 roof assemblies and rooftop structures. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. When a reference is made within this rule to a federal statutory provision an industry consensus standard or any other technical publication the specific date and title of the publication as well as the name and address of the promulgating agency are listed in rule 4101 1 35 01 of the administrative code.

The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. Ice water shield is a thick sticky back underlayment also known as felt paper that will adhere to your roof deck and prevent water from seeping into your home if it gets under your shingles. Roof slopes between 2 12 and 4 12 can use shingles but require roof application techniques to take into account a greater potential for ice dam water backup. A 4 12 roof slope means the roof rises 4 feet for every 12 feet of horizontal roof span.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Ice and water shield.