What is a shaft wall ceiling?
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Horizontal Shaft Wall is constructed in a similar way to a standard Shaft Wall and uses the same components. It is constructed using steel CH-studs as the ceiling joists. Horizontal Shaft Wall systems are ideal for constructing a ceiling when access is only possible from below and a fire rating is required from above.
How much does shaft wall cost?
How much does shaft wall cost?
| Type | Cost | Per Linear Foot* |
|---|---|---|
| Studs | $1 – $6 per square foot | $0.50 – $1.50 |
Does a shaft wall have a fire rating?
4, shaft enclosures are required to have a fire-resistance rating of not less than 2 hours when connecting four or more stories. A fire-resistance rating of not less than 1 hour is required for shaft enclosures connecting less than four stories.
What is a shaft wall?
Shaftwall systems are interior nonload-bearing fire rated wall assemblies that provide critical, life safety, fire-resistant protection for elevator shafts, stairwells, vertical chases and mechanical enclosures. Shaftwalls in elevators and stairwells are one of the most important wall assemblies in a building.
How thick is Shaftwall?
Shaftwall is available in 18 and 33 mil thicknesses (25-20ga.).
Is it cheaper to use wood or metal studs?
Cost-effective: While never as cheap as wood, steel studs are now only about 40-percent more expensive than wood studs. Lightweight: Steel studs are lighter to carry and store than wood because they are hollow. Studs can nest into each other to some degree.
When a shaft enclosure is 2 hour rated the minimum rating for the door to this shaft is?
Shaft enclosures shall have a fire-resistance rating of not less than 2 hours where connecting four stories or more, and not less than 1 hour where connecting less than four stories.
What is the difference between a chase wall and a shaft wall?
Dictionary definition: (a continuous recess: Harris) a vertical or horizontal enclosure/recess (of rated or non-rated construction) with which to conceal/route, plumbing, electrical, etc.; shafts tend to be vertical while chases may be either.