675 Ind. Admin. Code 14-4.4-93

Current through December 4, 2024

Section 675 IAC 14-4.4-93 - Table N1102.2.6; steel frame ceiling, wall and floor insulation R-values

Authority: IC 22-13-2-2; IC 22-13-2-2.5; IC 22-13-2-13

Affected: IC 22-12; IC 22-13; IC 22-14; IC 22-15; IC 36-7

Sec. 93.

Delete TABLE N1102.2.6 and substitute to read as follows:

TABLE N1102.2.6

STEEL FRAME CEILING, WALL AND FLOOR INSULATION R-VALUES

WOOD FRAME R-VALUE REQUIREMENTS	COLD-FORMED STEEL EQUIVALENT R-VALUEa
Steel Truss Ceilingsa
R-30	R-38 or R-30 + 3 or R-26 + 5
R-38	R-49 or R-38 + 3
R-49	R-38 + 5
Steel Joist Ceilingsb
R-30	R-38 in 2 x 4 or 2 x 6 or 2 x 8; R-49 in any framing
R-38	R-49 in 2 x 4 or 2 x 6 or 2 x 8 or 2 x 10
Steel Framed Wall
R-13	R-13 + 5 or R-15 + 4 or R-21 + 3 or R-0 + 10
R-15	R-11 + 5 or R-13 + 4 or R-21 + 3 or R-0 + 15
R-19	R-13 + 9 or R-19 + 8 or R-25 + 7
R-21	R-13 +10 or R-19 + 9 or R-25 + 8
Steel Joist Floor
R-13	R-19 in 2 x 6 or R-19 + R-6 in 2 x 8 or 2 x 10
R-19	R-19 + R-6 in 2 x 6 or R-19 + R-12 in 2 x 8 or 2 x 10

For SI: 1 inch= 25.4 mm.

a. Cavity insulation R-value is listed first, followed by continuous insulation R-value.

b. Insulation exceeding the height of the framing shall cover the framing.

675 IAC 14-4.4-93

Fire Prevention and Building Safety Commission; 675 IAC 14-4.4-93; filed 11/26/2019, 11:43 a.m.: 20191225-IR-675190330FRA