Rigid Foam Insulation Fire Rating

This foam board insulation is available with straight or tongue and groove edges to help limit air movement.

Rigid foam insulation fire rating.

Icynene is committed. And suppliers of foam insulation products for specific recommendations. Foam board insulation types. Rigid pir insulation boards fire rated future foams pir board is a non structural polyisocyanurate insulation board consisting of a rigid insulation core sandwiched between two high performance foil facings to create a tough durable light weight board that has high insulation properties with a high level of fire performance.

Rigid foam insulation also known as insulating boards provide high r values. Install it anywhere from the roof to the foundation. Since most fire codes call for a minimum of half hour fire rating over foam insulations paneling would probably not provide a sufficient fire barrier over the foam insulating board. Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.

There are three basic foam insulation board products on the. The glass fiber reinforcement provides improved fire performance and dimensional stability. It is denser than eps and provides more r value with a rating of 5 per inch of thickness. Exterior of wall with furring strips on top to form a vented rain screen behind siding.

You can even place it under the foundation slab. Fire safety guidelines for use of rigid polyurethane and polyisocyanurate foam insulation in building construction. What are the fire code rules and general fire safety concerns when using rigid foam panels in the following applications. Exterior of roof with furring strips on top to form a vented roof plain interior of roof to form an air tight vent baffle a less traditional approach but a possible retrofit.

Icynene spray foam insulation products have the flame spread and smoke developed indexes required have been tested in accordance with and comply with the acceptance criteria of nfpa 285 and there are many wall and ceiling assemblies that contain icynene products and are fire resistance rated in accordance with astm e 119. Pir is typically produced as a foam and used as rigid thermal insulation. Rigid insulation is one of the best tools to reduce your energy costs. Pir foam panels laminated with pure embossed aluminium foil are used for fabrication of pre insulated duct that is used for heating ventilation and air conditioning systems.

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Its thermal conductivity has a typical value of 0 16 btu in hr ft 2 f 0 023 w m k depending on the perimeter area ratio. Thermax sheathing can be installed exposed to the. They keep your home at a comfortable temperature without the need to crank your heat.

Thermax sheathing specially designed to hold a class a fire rating. Thermax sheathing is a nonstructural rigid board insulation with a glass fiber infused polyisocyanurate foam core laminated between 1 0 mil smooth reflective aluminum faces.