Grease Duct Fire Wrap Code

It is flexible and lightweight for easy installation and passes the necessary fire tests to achieve two hour fire resistance requirements.

Grease duct fire wrap code.

On site welded grease ducts must be wrapped in two layers of insulation tested to ul 2221 standards at the construction site ul 2221 classifi ed prefabricated stainless steel grease ducts no longer have to be contained in a fi re 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. Installed as a two layer system fyrewrap elite 1 5 complies with the international mechanical code imc and uniform mechanical code umc. Foil encapsulated ceramic blanket such as unifrax s fyrewrap elite 1 5 or 3m s fire barrier 615 both industry leaders.

3m fire barrier duct wrap 615 is manufactured with a man made vitreous spun. There s a lot of confusion when it comes to insulating grease ducts for fire protection. 762cm standard length 3m fire barrier duct wrap 615 blanket 60 96cm or 121 92cm by 38 1mm by 762cm. 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.

Fyrewrap elite 1 5 duct insulation is tested per astm e2336 and is acceptable as an alternate to a traditional fire rated shaft. We know which product to use. Fyrewrap elite 1 5 duct insulation is a two layer flexible enclosure for two hour rated commercial kitchen grease ducts. Grease duct installation techniques 3m fire barrier duct wrap 615 should be installed per the application design listing in accordance with the following basic installation instructions.