Area Separation Wall
A non-loadbearing fire-rated party wall: two layers of shaftliner panels held between H studs in C-runners, with an optional gypsum board on both faces for the higher-rated designs. Length and height, Stud flange width and width across the wall, Stud and runner metal thickness, Board on both faces, Finishes
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 flange width | 69.85 | mm |
| Stud width across the wall | 53.975 | mm |
| Stud metal thickness | 0.478 | mm |
| Runner metal thickness | 0.0188 * 25.4 | mm |
| Board on both faces | false | |
| Steel finish | ceilingGalvanisedSteel | |
| Shaftliner finish | ceilingPlasterboard | |
| Board finish | ceilingPlasterboard | |
| Board thickness | 0.625 * 25.4 | mm |
| Face board offset | faceBoard ? boardThickness : 0 | mm |
| Runner outside width | 2.125 * 25.4 + 2 * runnerThickness | mm |
| Stud Y | faceOffset + runnerThickness + (2.125 * 25.4 - studWidth) / 2 | mm |
| Liner Y | studY + studThickness + (studWidth - 2 * studThickness - 2 * 25.4) / 2 | mm |
| Bays | Math.max(2, Math.ceil((sizeX - 2 * runnerThickness) / (24 * 25.4))) | |
| Stud pitch | (sizeX - 2 * runnerThickness) / bays | mm |