Group 1 Aluminium Height Restriction Bar is a suspended vehicle clearance bar supplied with hanger assemblies, chains and reflective signage. Available in 2m to 6m lengths or custom sizes, it helps warn drivers before entering low-clearance or overhead-obstruction areas.
| Specification | Details |
|---|---|
| Bar Material: | Extruded aluminium |
| Bar Section: | 145 x 40mm |
| Bar Finish: | Yellow powder-coated |
| Chain: | Galvanised steel |
| Hanger: | Cast aluminium |
| Post Material / Finish: | Hot dip galvanised steel |
| Standard Lengths: | 2m, 3m, 4m, 5m and 6m |
| Custom Lengths: | Available made to order |
| Sign Face: | Reflective face with black LOW CLEARANCE lettering on a white background |
| Number Stickers: | Supplied as a kit for displaying the applicable clearance height |
| Maximum Clearance with Cantilever Hanger: | 2600mm |
| Clearance Measurement: | Measure from the bottom of the height clearance bar to the road surface |
| Cars / Light Vans Height Warning Threshold: | 3m or less |
| Other Areas Height Warning Threshold: | 4.6m or less |
| Standard: | Supplier states compliance with AS 2890.1 |
| Item Code | Description | Weight |
|---|---|---|
| HB2-PA: | 2m bar with text, numerals and hanger kit | 6.4kg with hangers |
| HB3-PA: | 3m bar with text, numerals and hanger kit | 9kg with hangers |
| HB4-PA: | 4m bar with text, numerals and hanger kit | 11.5kg with hangers |
| HB5-PA: | 5m bar with text, numerals and hanger kit | 14.2kg with hangers |
| HB6-PA: | 6m bar with text, numerals and hanger kit | 16.7kg with hangers |
| Item Code | Description |
|---|---|
| HBS500: | 500mm adjustable height bar stand-off bracket, each, sold separately |
| HBPSM1: | Group 1 surface-mount post, 90mm x 4mm, 3.2m high, each, sold separately |
| HBPSM1-EH: | Group 1 extra-height surface-mount post, 90mm x 4mm, 4m high, each, sold separately |
| HBPBG: | Below-ground height bar post, 3.2m above-ground height and 4m total length, each, sold separately |
| HBPBG-EH: | Extra-height below-ground height bar post, 4m above-ground height and 4.8m total length, each, sold separately |
| KIT22: | Additional hanger kit with chain and clips |
This suspended height clearance bar is designed for car parks, warehouses, loading areas, undercover entrances, commercial properties and other vehicle access points with overhead restrictions. It can also be used as a vehicle height bar, low-clearance bar, height warning bar or overhead clearance indicator.

