Post and Beam Pergola
A free-standing four-post timber pergola with a square beam frame on the posts and knee braces under the beams.
Details
Category: Pergolas › Open and Fixed Roof Pergolas
By Huu Khanh Nguyen · Updated November 5, 2026
Parameters
| Name | Default | Unit |
|---|---|---|
| Plan width | 3048 | mm |
| Plan depth | 3048 | mm |
| Overall width | planX + 2 * inset | mm |
| Overall depth | planY + 2 * strapThickness | mm |
| Height | standoff + 2438.4 + memberSize | mm |
| Member section | 88.9 | mm |
| Brace length | 863.6 | mm |
| Brace run | 609.6 | mm |
| Timber | timberSpruceSawn | |
| Strap thickness | 2.657 | mm |
| Frame inset | 3.457 | mm |
| Post base standoff | 25.4 | mm |