Shaft-Wall Horizontal Ceiling
A fire-rated ceiling of slotted steel studs spanning between runners on two walls, shaftliner panels between the studs and gypsum board on the underside.
Details
Category: Ceilings › Plasterboard › Spanning Board Ceilings
By Huu Khanh Nguyen · Updated November 5, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Ceiling Width | 3000 | mm |
| Span | 2000 | mm |
| Stud Depth | 2.5 * 25.4 | mm |
| Stud Metal Thickness | 0.0346 * 25.4 | mm |
| Runner metal thickness | 0.0359 * 25.4 | mm |
| Board thickness | 0.625 * 25.4 | mm |
| Board Layers | 2 | |
| Deflection Limit | 240 | |
| Steel finish | white | |
| Shaftliner finish | white | |
| Board finish | white | |
| Bays | Math.max(2, Math.ceil(sizeX / (24 * 25.4))) | |
| Stud pitch | sizeX / bays | mm |