Retractable Louvred Pergola
A roof of aluminium louvre blades that tilt open and then slide together into a stack at one end, leaving the roof area open, carried on posts or set onto an existing structure. Blade section, Post size and number of posts
Details
Category: Pergolas › Moving Roof Pergolas
By Huu Khanh Nguyen · Updated November 5, 2026 · louvre, pergola, retractable-roof
Parameters
| Name | Default | Unit |
|---|---|---|
| Width | 3900 | mm |
| Depth | 4887 | mm |
| Height | posts == 0 ? beamDepth : 3000 | mm |
| Posts | 4 | |
| Post size | 100 | mm |
| Blade section | 220/35 | |
| Blade length | sizeX - framePad - 2 * frameGap | mm |
| Blade count | Math.floor((sizeY - 2 * inset - gutterWidth - 242) / bladeCentres + 1e-9) | |
| Blade angle | 0 | ° |
| Retraction | 0 | |
| Blade centres | 205 | mm |
| Beam depth | 300 | mm |
| Frame gap | 15 | mm |
| Plate size | postSize == 100 ? 200 : 250 | mm |
| Plate thickness | 12 | mm |
| Beam width | 50 | mm |
| Gutter width | 245 | mm |
| Post band | posts > 0 ? (plateSize + postSize) / 2 : 0 | mm |
| Frame allowance | posts == 4 ? plateSize + beamWidth : posts == 2 ? plateSize / 2 + beamWidth + 25 : 2 * beamWidth | mm |
| Left beam position | posts == 4 ? plateSize / 2 - beamWidth / 2 : 0 | mm |
| Frame finish | powderRal9011 | |
| Blade finish | powderRal9011 |