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Responses for the February 2011 Evaluation Committee Meeting (through February 2, 2011)

Wednesday February 9, 2011

  1. AC46 — Cold-formed Steel Framing Members. Revisions are proposed to add an appendix to the criteria to address requirements of the 2006 International Codes, to add provisions to the criteria to address deflection tracks, and to add provisions to address the evaluation of nonload-bearing studs having knurling on their flanges. Click here.

Thursday February 10, 2011

  1. AC12 — Foam Plastic Insulation. The proposed revisions involve updating the criteria to address the 2009 International Codes, updating the referenced standards, adding ASTM E 96, ASTM E2178 and NFPA 285 to Section 1.3, modifying the language in Section 3.3 to reference construction types in the IBC, revise Section 3.4.5 to clarify that the desiccant method of ASTM E 96 must be used for water vapor transmission tests, revise Section to include ASTM E 2178 as an alternate test method to determine air permeance and remove the word “conditioned” from the description of unvented attic assemblies, and to add a new Section 6.6 to address instances where the foam plastic is used in exterior walls of Type 1 through Type IV construction. Click here.