Interior Systems & Door Frames Flashcards
How many storeys can you frame up to with steel stud
5 storeys
Steel stud offers opportunities for
Economy, structural requirements, and construction time also fire rating and easy insulated for energy conservation
Advantages for steel stud include
-Does not shrink rot or warp
-No insect infestation
-Price stability
-readily available
- flexible design/material savings
-uniform quality
One disadvantage to steel studs
More thermal bridging
Gauges available for “hot dipped galvanized steel” load bearing studs
20,18,16,14
Gauges available in regular galvanized non load bearing studs
25,22,20
Allowable fasteners for non load bearing include
Screws crimping or welding
Allowable fasteners for load Bering include
Screws or welding
Often used/Common steel stud screw
Wafer head
Panels should be installed on steel studs going which direction
Leading edge is fastened to open face side of stud
Minimum penetration of a screw through steel stud framing
10 mm (3/8”)
Tight curves in drywall can be achieved with
Thin 1/4” layers, wetting, and saw kerfs
How many coats of joint compound is applied
Typically Three
Embedding coat
Second coat
Finish coat
Sizing of metal lath
Typ 675mmx2400mm
Size of gypsum lath
400mmx1200mm (16”x24”)
10mm or 12mm thick
Difference between progressive and non progressive erection system
Progressive: panel assembly begins at one end towards another (permanent)
Non-progressive : permit individual panels to be moved
A suspended ceiling system involves…
A variety of anchors, wires, channels, and tiles
Channels and tracks can be fastened together with
Built in clips and connectors or with screws and rivets
Hangers for suspended ceiling systems
Must be galvanized wire and spaced no more the 4’ o/c
Clearances of suspended ceilings
6” between old and new ceilings
2” between pipes wires or obstacles
In a non reflective ceiling the main fees run
The length of the room
How are corners installed
Outside corners are mitred
Inside for corners are butted
Main tee lengths
3000mm and 3660mm (10’ and 12’)
Cross tee lengths
600mm, 1200mm, and 1500mm
(2’, 4’, or 5’)