2 Hr Shaft Liner Detail Between Floors

This is true for walls separating shafts when there is only a structural beam provided for supporting the wall.

2 hr shaft liner detail between floors. Minimum 8 x 8 maximum 48 x 48. Install j track along the ceiling line and vertically at columns and abutting partitions positioning the long legs closest to the shaft. The challenge in these situations is that you do not want to tear into the floor or change out the floor framing members. One of our current projects is a change of occupancy where the change will require a 2 hour rating between the main level a 2 occupancy and the r 2 occupancy above.

White powder coat paint. Shaft wall ceiling membrane the two hour horizontal membrane also used in two hour duct enclosures and the membranes used. The system consists of 2 wide light gauge metal h studs which secure two layers of 1 m glass shaft liner 1 m bloc shaft liner or 1 traditional shaft liner panels vertically between adjacent stud walls. Universal turn ring and key lock u.

See model fd2 for lengths greater than. The system is stacked floor to floor allowing progressive construction using the breakaway aluminum clips. Attach j track to the floor with fasteners spaced at 24 o c. A fi re resistance rating of not less than 1 hour is required for shaft enclosures connecting less than four stories.

2 thick insulated 20 gauge steel with continuous hinge. Secure each piece with the appropriate power driven fasteners spaced a maximum 24 o c. The look of this detail will depend on the floor framing type and bearing condition. Standard 1 trim insulated fire rated access panels for 2 hour wall assemblies frame trim.

Shaft enclosures are required to have a fi re resistance rating of not less than 2 hours when connecting four or more stories. Often misunderstood by designers is the difference between. Install proroc shaftliner type x boards vertically. Sometimes make it difficult to install shaft liner panels and studs vertically.