Free-Standing Flat Terrace Roof
A free-standing four-post terrace roof with a framed beam ring, sloping rafters and clear roof panels, in single or two-bay widths, standard or raised on a deck, free-standing or set against a wall.
Details
Category: Pergolas › Open and Fixed Roof Pergolas
By Huu Khanh Nguyen · Updated November 5, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Width between posts | 3706 | mm |
| Depth between posts | 2797 | mm |
| Opening height | 2450 | mm |
| Mounting | free | |
| Beam width | 110 | mm |
| Beam height | 160 | mm |
| Post section | 100 | mm |
| Rafter width | 50 | mm |
| Frame finish | anodisedNatural | |
| Overall width | bayWidth + beamWidth | mm |
| Overall depth | depth + beamWidth + (mounting == 'wall' ? wallGap : 0) | mm |
| Overall height | openingHeight + ceilingPlane + beamHeight + (mounting == 'wall' ? coverHeight : 0) | mm |
| Roof pitch | 2.5 | ° |
| Ceiling plane below the beam | 25 | mm |
| Rafter and sheet stack | 53.5 | mm |
| Panel thickness | 4 | mm |
| Rafter pitch | 454.5 | mm |
| End rafter offset | 70 | mm |
| End rafter to first rafter | 419.5 | mm |
| Gap to the wall behind the rear beam | 65 | mm |
| Gap cover height | 50 | mm |
| First bay width | bayWidth <= 4615 ? bayWidth : (bayWidth == 5594 ? 1888 : (bayWidth == 6503 ? 2797 : (bayWidth == 7412 ? 3706 : (bayWidth == 8321 ? 3706 : 4615)))) | mm |
| First bay sheet count | (firstBay - endOffset) / rafterPitch | |
| Second bay sheet count | bayWidth > 4615 ? (bayWidth - firstBay - endOffset) / rafterPitch : 0 | |
| Roof panel | glassClear |