Subject 2518 (181)

Bulletin Dated: October 12, 2005

Summary of Topics:

This bulletin announces availability of an outline (dated October 5, 2005) for Air Dispersion System Materials covering products for use in accordance with the following Installation Codes:

a) Standard of the National Fire Protection Association for the Installation of Air-Conditioning and Ventilating Systems, NFPA No. 90A;

b) Standard of the National Fire Protection Association for the Installation of Warm Air Heating and Air-Conditioning Systems, NFPA No. 90B;

c) The 2003 International Mechanical Code^� (IMC); and

d) The 1997 CBO Uniform Mechanical Code^TM (UMC)

The air dispersion system materials covered by these requirements include preformed lengths of fabric or non-fabric products intended to convey and distribute air.