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.
762cm standard length 3m fire barrier duct wrap 615 blanket 60 96cm or 121 92cm by 38 1mm by 762cm.
We know which product to use.
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.
Installed as a two layer system fyrewrap elite 1 5 complies with the international mechanical code imc and uniform mechanical code umc.
There s a lot of confusion when it comes to insulating grease ducts for fire protection.
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.
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.
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.
It is flexible and lightweight for easy installation and passes the necessary fire tests to achieve two hour fire resistance requirements.
3m fire barrier duct wrap 615 is manufactured with a man made vitreous spun.
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.