Witryna602.2.1 Materials within plenums. Except as required by Sections 602.2.1.1 through 602.2.1.8, materials within plenums shall be noncombustible or shall be listed and … 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 …
2015 INTERNATIONAL MECHANICAL CODE (IMC) ICC …
Witryna8 mar 2024 · “Except as required by sections 602.2.1.1, 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 E84 or UL 723.” FlowGuard Gold Plenum Report Details WitrynaAir plenums formed by gypsum boards shall not be incorpo-rated in air-handling systems utilizing evaporative coolers. 602.2.1 Materials within plenums. Except as required by Sections 602.2.1.1 through 602.2.1.7, materials within ple-nums shall be noncombustible or shall be listed and labeled as having a flame spread index of not … flag green yellow red star
Mechanical Code Changes - tazewellcountyva.org
Witryna12 lip 2024 · A modification to Section 602.2.1.8 (Pipe and Duct Insulation Within Plenums) of the 2024 International Mechanical Code states that the revision … 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 ... Witryna18-28-602.2.1 Materials exposed within plenums. Materials exposed 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. can ocular migraines start later in life