Roof Enclosure For Shaft Wall

Above the roof the shaft enclosure is a penthouse with walls to about 30 inches above the roof and then 48 inch high louvers up to the roof of the shaft penthouse.

Roof enclosure for shaft wall.

Shaftwall system consists of 1 shaftliner panels supported by 2 1 2 4 or 6 c t studs and faced on one side with two layers of 1 2 fire code board. Shaft enclosure for hvac ductwork and roof drain pipes extends from ground floor slab up through the roof of a 2 story building. Fire dampers are not required at penetrations of shafts where. Stairwall systems are designed to enclose stairwalls this system is finished on both sides with a single layer of 1 2 fire code board.

Shaft enclosures are specifi cally addressed in ibc section 713. Solid shafts horizontal stud shafts. Installation detail for transition to rated vertical shaft xl009 23 installation detail for transition to rated horizontal shaft xl015 24 installation detail for grease hoods xl022 25 optimized grease duct enclosure system 26 installation pictures good installations and bad access door examples 27. Sw 104 1 hour shaftwall to steel deck.

These shafts are vital for vertical communication power water fresh air exhaust and a means of egress. 1 hour corridor ceiling assembly with single layer 5 8 gypsum panels. Head of wall firestop system elastomeric spray firestop. However because shaft enclosure walls are to be constructed as fire barriers per section 713 2 many shaft wall requirements directly reference provisions on fire barriers found in section 707.

Below the roof the shaft enclosure has a 2 hour rating. However because shaft enclosure walls are to be constructed as fi re barriers per section 713 2 many shaft wall require ments directly reference provisions of fi re barriers found in section 707. Ul design u499 w419. Usg shaft wall systems installed horizontally provide economical construction for fire resistive duct enclosures corridors ceilings and stairway soffits.