CL4FIRE
Product Comparisons
Fire Protection Gypsum Chase Construction and Wrap Alternatives for Commercial Kitchen Exhaust Ductwork and 1 or 2-Hour Fire-Rated Ventilation Air Ductwork in Canada
Alternatives for Commercial Kitchen Exhaust Ductwork and 1 or 2-Hour Fire-Rated Ventilation Air Ductwork in Canada.
Document Reference Number - CL4 - Nov 2007
Issues regarding ductwork made from a combination steel and concrete board material
Can non-insulated high temperature rated ductwork systems meet multiple design criteria for installation into Canadian buildings?
3rd Party Competitive Ductwrap Product Comparison
A 3rd party side by side fire testing comparison of ductwrap insulation products shows that major variances in thermal transmission can occur in fire protection ductwrap insulation products of the same thickness.
Comparison of Canadian Single Layer Grease Duct Systems
While some product testers may be able to muscle 5” width of very high density insulation into a 3” space, is it really responsible to believe that an installer will properly do this in your building?