Minnesota Administrative Rules

1305.2603 SECTION 2603 FOAM PLASTIC INSULATION.

IBC section 2603.4.1.13 is amended to read as follows:

2603.4.1.13 Type V construction. Foam plastic spray applied to a sill plate and header of Type V construction is subject to all of the following:

1. The maximum thickness of the foam plastic shall be 5-1/2 inches (82.6 mm).

2. The foam plastic shall have a flame spread index of 25 or less and an accompanying smoke-developed index of 450 or less when tested in accordance with ASTM E84.

Statutory Authority:

MS s 16B.37; 16B.59 to 16B.76; 326B.02; 326B.101 to 326B.194

History:

32 SR 7; L 2007 c 140 art 4 s 61; art 13 s 4; L 2008 c 337 s 64; 39 SR 1605

Published Electronically:

June 19, 2015