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// CODE SNIPPET

604.1.1 Within Ducts or Plenums

2018 Uniform Mechanical Code of Nevada > 6 Duct Systems > 604.0 Insulation of Ducts > 604.1 General > 604.1.1 Within Ducts or Plenums
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Materials installed within ducts and plenums for insulating, sound deadening, or other purposes shall have a mold, humidity, and erosion-resistant surface where tested in accordance with UL 181. Duct liners in systems operating with air velocities exceeding 2000 feet per minute (10.16 m/s) shall be fastened with both adhesive and mechanical fasteners, and exposed edges shall have approved treatment to withstand the operating velocity. Where the internal insulation is capable of being in contact with condensates or other liquids, the material shall be water-resistant.

Related Code Sections


604.1.1 Duct Systems, Within Ducts or Plenums
Materials installed within ducts and plenums for insulating, sound deadening, or other purposes shall have a mold, humidity, and erosion-resistant ...
2018 Uniform Mechanical Code of Nevada > 6 Duct Systems > 604.0 Insulation of Ducts > 604.1 General > 604.1.1 Within Ducts or Plenums
602.2 Duct Systems, Combustibles Within Ducts or Plenums
Materials exposed within ducts or plenums shall be noncombustible or shall have a flame spread index not to exceed 25 and a smoke-developed index ...
2018 Uniform Mechanical Code of Nevada > 6 Duct Systems > 602.0 Material > 602.2 Combustibles Within Ducts or Plenums
903.1 Vents, Applicable Standards
be in accordance with Chapter 14 "Firestop Protection." Except for individual single-family dwelling units, materials exposed within ducts or plenums shall ...
2018 Uniform Plumbing Code of Nevada > 9 Vents > 903.0 Materials > 903.1 Applicable Standards
602.0 Duct Systems, Material
construction within buildings shall be permitted to be used as ducts or plenums. Gypsum board shall not be used for positive pressure ducts. Exception ...
2018 Uniform Mechanical Code of Nevada > 6 Duct Systems > 602.0 Material
604.1 Duct Systems, General
Materials installed within ducts and plenums for insulating, sound deadening, or other ...
2018 Uniform Mechanical Code of Nevada > 6 Duct Systems > 604.0 Insulation of Ducts > 604.1 General
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