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TC-417-GP Thermal and Acoustic Solutions
Spray Applied Insulation

GENERAL INFORMATION
(Applicable to both Thermal and Acoustic installations)

FIRE SAFETY

TC-417 GP exhibits the following fire resistive attributes:

• Non-combustibility:
  

  CAN/ULC S114		Non-combustible
  ASTM E-136		Non-combustible

  
  
• Surface burning characteristics:

  To be approved for use in exposed locations, products such as TC-417 GP are required to exhibit the following surface burning characteristics:

  		Flame spread ≤ 25		Smoke developed ≤ 50
  CAN/ULC S102		Flame spread:  Passed		Smoke developed:  Passed
  ASTM E-84		Flame spread:  Passed		Smoke developed:  Passed

  
  

• TC-417 GP is WH listed

For the peace of mind of all parties involved, we think it essential that any product used in a building interior that can be left exposed -- and is of more than film thickness - should contain very little, if any, combustible material.

Non-Combustibility versus Flame Spread:

There seems to be some confusion in the industry concerning the accepted definition of non-combustibility as compared to low flame spread.  The distinction is quite simple:

• An organic substance such as paper can be treated with flame retardant material that ensures that it will burn slowly, and can then be considered to have a low flame spread;
• An organic material, even when treated with fire retardant and rated as 'low flame spread,' can never be rated as non-combustible because its flaming time, temperature rise and mass loss are more than allowed when subjected to industry-accepted test procedures;
• Only inorganic materials, or mixtures containing a very small organic component, can be rated non-combustible according to industry standards -- e.g. -- ASTM E-136, CAN/ULC S114.

The major component of TC-417 GP is inorganic glass fibre, and the product has been tested to CAN/ULC S114 and ASTM E-136 and rated as non-combustible.  Since it is so rated, it can be applied to any fire resistive material without affecting the fire rating of the assembly.

Note:  Unlike spray applied organic insulation materials, that can only qualify for low flame spread ratings, the low flame spread and non-combustible ratings of TC-417 GP are permanent.  Therefore, it does not require either initial addition of a fire retardant at time of application or periodic top up of with fire retardant to maintain its ratings.

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ThermaCoustic Industries International Limited
Unit 108, 20119 - 113B Avenue, Maple Ridge, B.C., Canada, V2X 0Z1
Tel:  866.460.1474 or 604.460.1475 -- Fax:  604.460.1476 -- eMail:  info@thermacoustics.com

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