Minnesota Administrative Rules

1309.0314 SECTION R314, FOAM PLASTIC.

IRC Section R314.5.11 is amended to read as follows:

R314.5.11 Sill plate and headers. Foam plastic shall be permitted to be spray-applied to a sill plate and header (rim joist) without thermal barrier subject to all of the following:

1. The maximum thickness of the foam plastic shall not exceed 5-1/2 inches (139.5 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 E 84.

Statutory Authority:

MS s 16B.59; 16B.61; 16B.64; 326B.101; 326B.106; 326B.13

History:

27 SR 1475; 32 SR 12; L 2007 c 140 art 4 s 61; art 13 s 4

Published Electronically:

February 23, 2009