Shaft Wall

A non-loadbearing fire-rated shaft or stair wall: shaftliner panels held between slotted C-T studs in J-runners, faced with gypsum board on the room side and optionally on the shaft side. Length and height, Stud depth and metal thickness, Runner metal thickness, Board thickness and layers, Shaft side board for a stair wall, Finishes and optional insulation

Details

Category: Ceilings › Plasterboard › Steel Stud Partitions and Shaft Walls

By Huu Khanh Nguyen · Updated November 4, 2026

Parameters

Name	Default	Unit
Length	3000	mm
Height	3000	mm
Stud web 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
Room side board layers	2
Shaft side board	false
Steel finish	ceilingGalvanisedSteel
Shaftliner finish	ceilingPlasterboard
Board finish	ceilingPlasterboard
Bays	Math.max(2, Math.ceil(sizeX / (24 * 25.4)))
Stud pitch	sizeX / bays	mm
Insulation	false