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// CODE SNIPPET

604.3 Coverings and Linings

Mechanical Code 2015 of Alabama > 6 Duct Systems > 604 Insulation > 604.3 Coverings and Linings
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Coverings and linings, including adhesives where used, shall have a flame spread index not more than 25 and a smoke-developed index not more than 50, when tested in accordance with ASTM E 84 or UL 723, using the specimen preparation and mounting procedures of ASTM E 2231. Duct coverings and linings shall not flame, glow, smolder or smoke when tested in accordance with ASTM C 411 at the temperature to which they are exposed in service. The test temperature shall not fall below 250°F (121°C). Coverings and linings shall be listed and labeled.

Related Code Sections


604.3 Duct Systems, Coverings and Linings
Coverings and linings, including adhesives where used, shall have a flame spread index not more than 25 and a smoke-developed index not more than 50 ...
Mechanical Code 2015 of Alabama > 6 Duct Systems > 604 Insulation > 604.3 Coverings and Linings
604.3 Duct Systems, Coverings and Linings
Coverings and linings, including adhesives when used, shall have a flame spread index not more than 25 and a smoke-developed index not more than 50 ...
Mechanical Code 2009 of Alabama > 6 Duct Systems > 604 Insulation > 604.3 Coverings and Linings
M1407.2 Heating and Cooling Equipment and Appliances, Installation
Electric duct heaters shall be installed so that they will not create a fire hazard. Class 1 ducts, duct coverings and linings shall be interrupted ...
Residential Code 2015 of Alabama > 14 Heating and Cooling Equipment and Appliances > M1407 Duct Heaters > M1407.2 Installation
M1601.3 Duct Systems, Duct Insulation Materials
Duct insulation materials shall conform to the following requirements: Duct coverings and linings, including adhesives where used, shall have ...
Residential Code 2015 of Alabama > 16 Duct Systems > M1601 Duct Construction > M1601.3 Duct Insulation Materials
719.1 Fire and Smoke Protection Features, General
with Chapter 26. Duct and pipe insulation and duct and pipe coverings and linings in plenums shall comply with the International Mechanical Code ...
Building Code 2009 of Alabama > 7 Fire and Smoke Protection Features > 719 Thermal- And Sound-Insulating Materials > 719.1 General
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