CL4FIRE
Testing Authorities

All of our products were tested to Exceed ISO Standards.

Our product is a Calcium / Magnesium / Silica composite, ideal for Increased Body Solubility when compared to ceramic fiber insulation. It is recommended for use under the same safety guidelines as fiberglass and mineral wool by the Ontario Construction Safety Association – 2005 edition. Our Fibre-reinforced foil encapsulated material is encapsulated to meet the durability requirements of the NFPA-96 standard.

All CL4FIRE products meet the following standards:

Commercial Kitchen Grease Ductwork Testing Standards

• Internal - ULC Grease Duct Testing Requirement rated for 0” clearance to combustible materials.
• External – ISO 6944 Duct ‘A’ Standard
• Tested per NFPA-96 to meet all applicable Canadian Building Codes as a gypsum shaft alternative.

For Commercial Kitchen Grease Ductwork applications.
Listed for Butt-Seam Pinning or Banding Installation Methods.

1 or 2-Hour External Fire Protection for Ductwork

• ISO 6944 Duct ‘A’ Standard
• 1-hour rating requires a single butt-seam layer of CL4FIRE Fire Protection Thermal Insulation (Ductwrap).
• 2-hour rating requires a single overlapped layer of CL4FIRE Fire Protection Thermal Insulation (Ductwrap).