Suspended Board Bulkhead
A plasterboard bulkhead hung below the structure on rods and cross rails, with board on the soffit and on the face of the drop.
Details
Category: Ceilings › Plasterboard › Board Bulkheads
By Huu Khanh Nguyen · Updated November 4, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Length | 3600 | mm |
| Projection | 400 | mm |
| Height | 900 | mm |
| Drop | 450 | mm |
| Board Layers | 1 | |
| Board Thickness | 13 | mm |
| Board Width | 1200 | mm |
| Board Length | 2400 | mm |
| Board Finish | white | |
| Frame Spacing | 600 | mm |
| Frame Edge | 200 | mm |
| Channel Spacing | 600 | mm |
| Channel Depth | 27.3 | mm |
| Rail Depth | 26.35 | mm |
| Rail Thickness | 0.75 | mm |
| Hanger Spacing | 1200 | mm |
| End Clearance | 10 | mm |
| Stock Length | 3600 | mm |
| Framing Finish | white | |
| stack | boardLayers * boardThickness | mm |
| pieceCount | Math.ceil(sizeX / boardLength) | |
| soffitStrips | Math.ceil((sizeY - stack) / boardWidth) | |
| faceStrips | Math.ceil(drop / boardWidth) | |
| frameCount | Math.max(1, Math.ceil((sizeX - 2 * frameEdge) / frameSpacing)) | |
| framePitch | (sizeX - 2 * frameEdge) / frameCount | mm |
| furringSpan | sizeY - stack - 72.43 - 2 * endClearance | mm |
| furringLines | Math.ceil(furringSpan / furringSpacing) + 1 | |
| furringPieces | Math.ceil((sizeX - 2 * endClearance) / stockLength) | |
| rodStep | Math.floor(hangerSpacing / framePitch) |