In-Plane Grid Board Ceiling
A plasterboard ceiling screwed to a drywall grid of main and cross tees lying in one plane, hung from the structure on wire hangers and edged with a wall angle. Room size and plenum height, Board thickness, size and layers, Main tee, cross tee and hanger spacing
Details
Category: Ceilings › Plasterboard › Suspended Board Ceilings
By Huu Khanh Nguyen · Updated November 5, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Width | 4800 | mm |
| Depth | 3600 | mm |
| Plenum Height | 1100 | mm |
| Board Layers | 1 | |
| Board Thickness | 13 | mm |
| Board Width | 1200 | mm |
| Board Length | 3000 | mm |
| Board Finish | white | |
| Main Tee Spacing | 1219.2 | mm |
| Cross Tee Spacing | 600 | mm |
| Hanger Spacing | 1219.2 | mm |
| Tee Flange Width | 38.1 | mm |
| Tee Thickness | 0.4572 | mm |
| Main Tee Height | 41.0718 | mm |
| Cross Tee Height | 38.1 | mm |
| Wall Angle Horizontal Leg | 38.1 | mm |
| Wall Angle Vertical Leg | 25.4 | mm |
| Wall Angle Thickness | 1.0058 | mm |
| Stock Length | 3657.6 | mm |
| Framing Finish | white | |
| First Cross Tee Distance | moldingThickness + teeFlange / 2 | mm |
| Main Tee Lines | Math.ceil(sizeY / mainSpacing) | |
| Main Tee Pitch | sizeY / mainLines | mm |
| Cross Tee Lines | Math.ceil((sizeX - 2 * crossEdge) / crossSpacing) + 1 | |
| Cross Tee Pitch | (sizeX - 2 * crossEdge) / (crossLines - 1) | mm |
| Joint Stagger | Math.ceil(600 / crossPitch) | |
| Sheet Bays | Math.floor((boardLength - crossEdge) / crossPitch) | |
| Column Count | 2 + Math.ceil((crossLines - 1) / sheetBays) |