Vinyl Three Rail Board On Board Fence
By Huu Khanh Nguyen · Updated October 29, 2026 · vinyl, pvc, board on board, semi-private, square rail, three rail, post, cap
A straight run of wide ribbed vinyl pickets in two staggered rows between three square rails on routed hollow posts. Post spacing and slope of the ground Post cap Colour and texture
Parameters
| Name | Default | Unit |
|---|---|---|
| Run Length | 7442.200000000001 | mm |
| Rake Angle | 0 | ° |
| Bay Width | 2311.4 | mm |
| Distribution | gap | |
| Ground Clearance | 50.8 | mm |
| Finish | white | |
| postWidth | 127 | mm |
| span | runLength - postWidth | mm |
| nominal | distribution == 'gap' ? bayWidth + postWidth : bayWidth | mm |
| rest | span - Math.floor(span / nominal + 0.000001) * nominal | mm |
| absorbed | distribution != 'count' && rest > 0.000001 && rest < 354 + postWidth && span > nominal && nominal + rest <= 2311.4 + postWidth | |
| bays | distribution == 'count' ? Math.max(1, Math.ceil(span / nominal - 0.000001)) : Math.max(1, Math.floor(span / nominal + 0.000001) + (rest > 0.000001 && !absorbed ? 1 : 0)) | |
| postHeight | groundClearance + 1905 | mm |