Thermal Barrier For Foam Insulation

The thermal barrier is used mostly as a fire resistance measure.

Thermal barrier for foam insulation.

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. To be classified as a thermal barrier the material must resist severe fire exposure for a minimum of fifteen 15 minutes. If you put spray foam insulation in a building it needs a thermal barrier. If there s a fire in the building a thermal barrier keeps the combustible spray foam from the flames to increase fire resistance.

Insulated foam sheets are also used as an insulated sheathing underlayment for exterior siding. The list of uses includes crawl space radiant floor attic and walls. Our product is easy to handle and install. Reflectix insulation has over 20 energy saving applications for reflectix insulation has over 20 energy saving applications for around the home.

A common choice is drywall. Keep in mind that any interior rigid insulating panel must be covered by a barrier. This eliminates thermal bridging which is the energy lost through wall studs. The building code definition of an approved thermal barrier is one which is equal in fire resistance to 12 7 mm 1 2 inch gypsum board.

A thermal barrier is a material that is applied between spray foam insulation and the interior living space. The approved thermal barrier. A thermal or fire barrier is a material or coating applied over polyurethane foam designed to slow the temperature increase of the foam during a fire and to delay the foam s involvement in a fire. Do you need a thermal barrier.

This product is a fraction of the cost of drywall. Energsmart installs a thermal barrier coating over spray foam in some applications usually where drywall is not desired. Thermal barrier is applied between foam and interior space to delay the temperature of the foam during a fire situation and delay prevent the foams involvement in a fire. The panels provide a continuous energy efficient surface.

The code directly addressed tongue and groove wood ceilings and spray foam in section r316 5 2. The thermal barrier blanket has been approved for use over icynene classic ld c 50 open cell spray foam in commercial installations. A thermal barrier is a material applied between foam plastics including spray polyurethane foam and interior spaces designed to delay the temperature rise of the foam during a fire situation and to delay or prevent the foam s involvement in a fire. That s what separates it from the occupied spaces.

The irc calls for this barrier between the occupied space and materials that could be considered flammable or a fire hazard.