Cellulose fibre insulation has been treated with Borates for fire retardancy. It will only char under direct fire exposure and will provide longer heat protection to adjacent building materials. It has a Class 1 Fire Rating where flame spread is <25 and smoke development is <50. It is important to note that when cellulose fibre burns, it does not emit toxic chemicals.
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Fire Resistance | Cellulose Fibre
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FIRE RESISTANCE
Cellulose fibre will not melt or degrade when exposed to flame or high temperatures
Why it is Important
Under some fire conditions, cellulose gives building occupants more time to reach safety and fire fighters more time to save the structure.
Watch Video
Fire Resistance
Building Insulation Fire Tests For Cellulose & Fibreglas is a CIMA independent study of fire control properties in buildings with cellulose insulation and fibreglass insulation.
How it works
Natural resistance to heat
Cellulose fibre is naturally resistant to heat and will not melt or degrade as most other insulation will when exposed to flame or high temperatures.
Because cellulose fibre will only char under direct fire exposure it will provide longer heat protection to adjacent building materials, and therefore allow building occupants more time to escape than would be the case with most other insulation materials.
Cellulose fibre insulation products are rated at Class I. In several demonstration burns, buildings with cellulose have retained structural integrity significantly longer than buildings with alternate insulation products. The video from CIMA, provided here, is a pretty powerful incentive to use cellulose over fibreglass.
More Technical Information
Thermal Resistivity
Cellulose Insulation provides greater energy savings over other products.
Convection Properties
Cellulose fibre, due to its perfect fit and greater density, inhibits air movement.
Acoustical Properties
Superior properties for improving noise suppression in wall, floor or ceiling construction
Moisture Resistance
Cellulose fibre has the unique ability to slowly absorb and dissipate excess moisture.
Fire Resistance
Cellulose fibre will not melt or degrade when exposed to flame or high temperatures.
Borate Additives
Cellulose fibre insulation is treated with a carefully controlled blend of borate powders.