WitrynaMechanical Code 2024 of Colorado > 6 Duct Systems > 602 Plenums > 602.2 Construction > 602.2.1 Materials Within Plenums > 602.2.1.4 Electrical Equipment … Witryna75 602.2.1.6. Unless using the special approval criteria from the IBC, foam plastic insulation used as a wall finish in a plenum shall have a max. flame spread index of ___ and be separated from the plenum by a complying thermal barrier or covered by corrosion resistant steel. ... 25 602.2.1. Materials exposed within plenums shall be ...
Have you run into an IMC compliance issue using non-plenum
Witryna602.2.1 Materials within plenums. Except as required by Sections 602.2.1.1 through 602.2.1.7, materials within plenums shall be noncombustible or shall be listed and labeled as having a flame spread index of not more than 25 and a smoke-developed … Witryna602.2.1 Materials within plenums. Except as required by Sections 602.2.1.1 through 602.2.1.6, materials within ple - nums shall be noncombustible or shall have a flame spread indexofnotmorethan25andasmoke-developedindexofnot more than 50 when tested in accordance with ASTM E 84 or UL 723. Exceptions: 1. Rigid and flexible … arti nyengir
FlowGuard Gold CPVC is Acceptable for Use in Plenums
Witryna28 paź 2024 · The current language in the IMC 602.2.1 Materials within plenums, says “…materials within plenums shall be noncombustible or shall be listed and labeled as having a flame spread index of not more than 25 and a smoke-developed index of not more than 50 when tested in accordance with ASTM E 84 or UL 723.” Witryna3 sie 2024 · FyreWrap® 0.5 Plenum has been tested as installed around combustible items and has passed both ASTM E84 and UL1887 to ensure compliance with compliance with 2015 IMC section 602.2.1. Witrynarequires materials exposed to the airflow in ceiling cavity plenums used for supply, return or exhaust air from the occupied area to be noncombustible, limited combustible, or have a flame spread index not exceeding 25 and a smoke-developed index not exceeding 50. Similarly, IMC Section 602.2.1 requires materials exposed within … bandera qatar maradona