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CFC/HCFC-free


KLS Phenolic Panels are halogen free and they have a fibre-free and closed cell insulation core, which has been manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).

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Class “0” Non Combustible Product


The Pre-Insulated Air Duct Panel complies with the requirements of CLASS “0”  in accordance with the test methods specfied in BS 476: PART 6 And BS 476: PART 7.


BS 476: PART 6 : 1989+A1:2009:
FIRE PROPAGATION INDEX, I = 3.6
SUBINDEX I1 = 1.6
SUBINDEX I2 = 1.3
SUBINDEX I3 = 0.7


BS 476: PART 7 :1997 : CLASS 1 SURFACE SPREAD OF FLAME

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UL 181 Certificate


The product covered by this report is a Class 1 rigid air duct. The product is designated as “Pre-Insulated Phenolic Foam Duct”.
The air duct is intended to be used in air conditioning and warm air heating systems in accordance with the International Mechanical Code (IMC), International Residential Code (IRC) and Uniform Mechanical Code (UMC), standards of the National Fire Protection Association for the installation of Air-Conditioning and Ventilating Systems, NFPA no. 90A, and the installation of Warm Air Heating and Air-Conditioning Systems, NFPA no. 90B.
The Air Duct covered by this report is intended for use as a building material as authorized by the authorities having jurisdiction.

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