Ice And Water Shield Code Maryland

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 the ice barrier shall consist of not fewer than two layers of underlayment cemented together or.

Ice and water shield code maryland. 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. R905 1 2 ice barriers 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. Eaves flashing is required to prevent ice formation at the eaves and gutter to back up beneath the roof covering. The eaves flashing shall be installed from the end of the deck to a minimum of 24 inches up the slope.

Anne arundel county maryland 1 article 15. Ice and water shield roofing ice and water shield is a critically component to any new roofing system especially in cold weather climates. In maryland and virginia building codes now require additional roofing items such as ice and water shield and drip edge which were probably not required if you had your roof replaced over 10 years ago. Ice and water shield with the adoption of the 2015 international residential code table r301 2 1 was adopted with the option of no for ice barrier underlayment required.

This code implies that ice and water shield eaves flashing is required for installation on all heated steep slope structures exception is unheated structures in colder climates. Construction and property maintenance codes title 1. Ice and water protectors sometimes called ice and snow shields in cold climates are made with polymer modified bitumen. 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.

County building services division or visiting our web site link to the public access web page for the international code council. Without code upgrade coverage you would be responsible to pay for these upgrades which would cost thousands of dollars on a typical roof. 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. 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.

The maryland model performance code incorporates by reference the 2018 ibc which is incorporated by reference in comar 09 12 51 04a 1 2018 ipc nec 2017 nfpa 70 2018 irc which is incorporated by reference in comar 09 12 51 04a 2 2018 imc 2018 iecc which is incorporated by reference in comar 09 12 51 04a 3 and the 2012 igcc.