Spray Foam Insulation Fire Code

A building code permitted protective covering applied over foam plastic insulations including spf in attics and crawlspaces to increase the time it takes for the foam plastic to become involved in a fire.

Spray foam insulation fire code. Icc code allows icynene spray foam insulation to be installed with less than the prescriptive minimum r value and still meet the intent of the code. The code directly addressed tongue and groove wood ceilings and spray foam in section r316 5 2. When using nfpa 286 to qualify a foam plastics the following criteria is used. As required by applicable codes and standards icynene has had its canadian spray foam products tested to meet can ulc s102 and s127 standards for smoke developed and flame spread respectively.

The international residential code irc and internation building code ibc both include requirements for thermal barriers and ignition barriers too. The thermal barrier specified in section r316 4 is not required when foam plastic in a roof assembly or under a roof covering is installed in accordance with the code and the manufacturer s installation instructions and is separated from the interior of the building by by tongue and groove wood planks or wood structural panel sheathing in accordance with section r803 not less than 15 32 thick. Spray foams are one form of foam plastic. If there s a fire in the building a thermal barrier keeps the combustible spray foam from the flames to increase fire resistance.

Our spray foams have been shown to pass rigorous fire testing when using a proper ignition barrier. It s a product range of fire retardant insulation material with a class 0 fire rating. Spray foam products that pass strict fire testing. Ignition barriers do not provide as much fire protection as thermal barriers see also.

Spray foam is regulated through the model building codes and state and local governments. Fire retardant foam insulation icynene classic plus o the latest type of spray foam insulation is icynene classic plus o. Building codes ibc irc stipulate that foam plastic insulation shall be separated from the interior of a building by an approved thermal barrier of inch gypsum wallboard or equivalent thermal barrier material. If the design calls for greater thickness of foam plastic insulation a small room corner test such as nfpa 286 with the acceptance criteria of section 302 9 4 can be used to achieve code approvals of foam plastics.

Model and local building codes are used throughout the united states to help make buildings safer for families and occupants by regulating design construction practices construction material quality including fire performance location occupancy and maintenance of buildings and structures.