By Huu Khanh Nguyen · Updated October 28, 2026 · greppi, de-nardi, ferraro, up-and-over, canopy, counterweight
A one-piece garage door balanced by counterweights on ropes inside the side posts, tipping out and up until it lies flat above the opening. Steel, timber or PVC skin Rib spacing of the skin Leaf frame depth and cross-beam height Optional operator fixed on the leaf
| Name | Default | Unit |
|---|---|---|
| Frame width | 2500 | mm |
| Frame height | 2400 | mm |
| Opening angle | 0 | ° |
| Skin | steel | |
| Rib pitch | 50 | mm |
| Leaf frame depth | 60 | mm |
| Cross-beam height | 110 | mm |
| Post width | sizeX <= 2500 ? 65 : sizeX <= 4500 ? 110 : sizeX <= 6000 ? 150 : 200 | mm |
| Post depth | postWidth == 110 ? 210 : 250 | mm |
| Leaf height | sizeZ - crossbeamHeight - 30 | mm |
| Leaf width | sizeX - 2 * postWidth - 20 | mm |
| Leaf top | 20 + leafHeight | mm |
| Pulley height | sizeZ - 60 | mm |
| Leaf reach | (2 * leafHeight / 3) * Math.sin(openAngle * Math.PI / 180) | mm |
| Pin height | leafTop - (2 * leafHeight / 3) * Math.cos(openAngle * Math.PI / 180) | mm |