Grease Duct Fire Wrap Code

Foil encapsulated ceramic blanket such as unifrax s fyrewrap elite 1 5 or 3m s fire barrier 615 both industry leaders.

Grease duct fire wrap code.

Fyrewrap elite 1 5 duct insulation is tested per astm e2336 and is acceptable as an alternate to a traditional fire rated shaft. 3m fire barrier duct wrap 615 is the only fire rated duct wrap product you ll need to help protect grease and air ducts. Fyrewrap elite 1 5 duct insulation is a two layer flexible enclosure for two hour rated commercial kitchen grease ducts. Material and equipment 24 or 48 wide by 1 1 2 38 1mm thick by 25 ft.

Such grease duct systems and exhaust equipment shall have a clearance to combustible construction of not less than 18 inches 457 mm and shall have a clearance to noncombustible construction and gypsum wallboard. We know which product to use. It is flexible and lightweight for easy installation and passes the necessary fire tests to achieve two hour fire resistance requirements. The primary impact the code changes may have on grease duct selection is cost differentiation.

Installed as a two layer system fyrewrap elite 1 5 complies with the international mechanical code imc and uniform mechanical code umc. Grease ducts constructed in accordance with section 506 3 1 shall be permitted to be enclosed in accordance with the international building code requirements for shaft construction. 762cm standard length 3m fire barrier duct wrap 615 blanket 60 96cm or 121 92cm by 38 1mm by 762cm. There s a lot of confusion when it comes to insulating grease ducts for fire protection.