Ignition Barrier Coating

Tiger Foam Ignition Barrier

An intumescent, latex based coating used in combination with Tiger Foam E84 Class 1 Spray Foam System (SPF) in applications that require an ignition barrier. Tiger Foam Ignition Barrier acts as a shield protecting the substrate from exposure or propagation of flame by surrounding the spray foam with a protective char-barrier.

Tiger Foam Ignition Barrier is supplied in 5‐gallon (19L) pails.

Use

Applied to open or closed cell spray polyurethane foam.

Application

Prior to the application of Tiger Foam Ignition Barrier, the surface must be free from all deposits, including dust, dirt, oil, paint flakes scales, wax, etc. for the product to ad here properly to the substrate. Tiger Foam Ignition Barrier should be at or above 40°F (5°C), prior to and during application. The cured foam surface to be treated should be at or above 40° F (5°C), prior to and during application. Moisture content of the substrate must not exceed 19 percent during the application of Tiger Foam® Ignition Barrier.

Apply the Tiger Foam Ignition Barrier using an airless sprayer, roller, or brush, evenly coating the substrate. The entire surface is to be covered with 10 wet mils of coating. When using an airless sprayer, it is commonly recommended that the spray equipment be capable of producing a minimum of 3300psi of pressure and that it can accommodate the recommended tip orifice sizes of .025‐.031. It is further recommended that the filters be removed from both the spray gun and the pump to allow for the passage of solid content. The most common tip for applying Tiger Foam Ignition Barrier over spray polyurethane foam (SPF) or similar applications is 527, but variations in spray pattern width and tip size may be required depending on the surface area and the substrate to which the product is being applied. Coverage rate of 90‐300 square feet per gallon. Drying time is typically between 60‐90 minutes. AllowTiger Foam Ignition Barrier to dry completely between coats, if more than one coat is required.

Application Areas

The building codes require that Spray Polyurethane Foam (SPF) used in attics and crawlspaces (unoccupied and not used for storage) must meet ignition barrier requirements prescribed by the code. Specific ignition barriers are listed in the code, but under qualifying conditions (AC377 appendix X) a non‐prescriptive ignition barrier can be used. Tiger Foam® Ignition Barrier and Tiger Foam® E84 Class 1 Spray Foam System (SPF) have been tested according
to AC377 appendix X.

Qualifying Conditions

Tiger Foam E84 Class 1 Spray Foam System(SPF) and Tiger Foam® Ignition Barrier can only be used in areas that meet the following qualifying conditions:

  • Attic & Crawlspace entry is made only for the service of utilities
  • There are no interconnected attic or basement areas
  • Air is not circulated to other parts of the building
  • Combustion air is provided in accordance with IMC section 701
  • Ventilation is provided when required by IBS Section 1203.2 or IRC section R806, or as required, except when air impermeable insulation is permitted in unvented attics in accordance with IRC Section R806.4

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