Ice And Water Shield Code Mn

Detached accessory structures garages and storage buildings that contain no conditioned floor area are not required to have an ice barrier.

Ice and water shield code mn.

2 over hang 6 ice shield. 2020 mn building code. Water gets under roofing shingles. Typicaly the code is 1 5 past the exterior warm wall at the gutter lines.

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. The building codes of wyoming adopt the the international building code 2018 ibc 2018 international existing building code 2018 iebc 2018 international fire code 2018 ifc 2018 international mechanical code 2018 imc 2018 and the international fuel gas code 2018 ifgc 2018. 2020 mn residential code 2017 national electrical code 2020 mn mechanical and fuel gas code. Eaves flashing is required to prevent ice formation at the eaves and gutter to back up beneath the roof covering.

The minnesota state building code incorporates by reference the following model codes. A good rule of thumb is 1 overhang 3 ice shield. Ice and water code. However we far exceed that code by doing valleys and flashings as well.

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. The code in minnesota requires this special waterproof shingle. Ice barrier ice and water shield irc r905 2 7 1 the ice barrier shall extend from the lowest edges of all roof surfaces to a point at least 24 inches inside the exterior wall line of the building. Local amendments of the state building code are not permitted.

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 roofing codes in minnesota for example require that two layers of an ice water shield be adhered to the roof before the felt or finished roofing product can be added. Home minnesota department of labor and industry. 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.

By law the city is required to enforce the minnesota state building code.