Commercial Kitchen Exhaust Duct Insulation

Unlike particle deposition in turbulent airflow turbulent vapor deposition is a well understood and documented phe nomena.

Commercial kitchen exhaust duct insulation.

They are heavily insulated for zero clearance to combustibles and a two hour fire rated shaft assembly. Insulation is applied to kitchen ducts as they pass through other compartments. Exhaust ducts for domestic range hoods installed in commercial applications shall be vented to the outside and shall be constructed of a type b vent or b smooth wall duct constructed of galvanized or stainless steel with a minimum duct thickness of 0 0157 inches 0 40 mm or constructed of aluminum or copper with a minimum duct thickness of 0 023 inches 0 58mm. Inventors of the positive pressure chimney system selkirk products meet and exceed the requirements of codes and other manufacturer products.

Unifrax fyrewrap elite 1 5 duct insulation wrap is a flexible enclosure for 1 and 2 hour fire rated commercial kitchen grease ducts range hoods and hazardous exhaust ducts including chemical fume ducts. Case the exhaust duct was not insulated. We use insulation to mitigate this risk. Fyrewrap elite 1 5 duct insulation offers the following product features.

Fyrewrap elite 1 5 duct insulation is a two layer flexible enclosure for two hour rated commercial kitchen grease ducts. Leading manufacturer of chimney venting and air distribution products for commercial and residential hvac industries for over 80 years. Therefore it is likely that many commercial cooking exhaust systems do not ex perience significant temperature differences even with non insulated ducts. All supply and return air ducts and plenums shall be insulated with a minimum of r 5 r 6 insulation when located in unconditioned spaces and a minimum of r 8 insulation when located outside the building.

A fire in another compartment unrelated to the kitchen could potentially ignite the grease and cause a fire to cascade throughout a building. R 408 30935a 506 2 corrosion protection. Fyrewrap elite 1 5 duct insulation is tested per astm e2336 and is acceptable as an alternate to a traditional fire rated shaft. Insulation on the duct in the kitchen offers no protection.

Installed as a two layer system fyrewrap elite 1 5 complies with the international mechanical code imc and uniform mechanical code umc. For more information about kitchen extract contact us or call 353 1 456 8200.