Spear top garrison fencing panels are rigid, pre-fabricated tubular steel picket panels designed to create straight perimeter lines with a visible anti-climb deterrent at the top. They are commonly specified for commercial boundaries, industrial sites, schools, depots, and higher-risk garden or yard perimeters where appearance matters but security cannot be decorative. The problem is that many panels look identical in photos, yet real performance depends on rail frame size, rail thickness, upright (picket) size/thickness, upright spacing, and post wall strength—so a fence can look perfect on install day and still flex, drift, loosen at joints, or lean after wind load, vibration, soil movement, and impact start working every day. For projects that also need fast-deploy perimeter control during staging or installation, temporary fence panels in Australia are a practical reference point for quick site setup and controlled access.
POLYMETAL Spear Top Garrison Fencing Panels Product Description
POLYMETAL spear top garrison fencing panels are engineered as a matched system so the panel face, fixings, and posts work together instead of failing one-by-one under load. Panel widths are commonly set at 2400mm (with 2450mm options for specific layouts), while panel heights typically cover 1500mm, 1800mm, 2100mm, and 2400mm to suit different risk levels and site lines. Rail frames are selected from 40×40mm, 45×45mm, and 50×50mm, with rail thickness ranging from 1.60mm up to 3.00mm depending on duty level. Uprights (pickets) are offered in 16×16mm, 25×25mm, and 30×30mm with thickness options from 0.80mm to 2.00mm, allowing you to tune stiffness and anti-climb behavior without overbuilding where it isn’t needed.
Post options include 60×60mm, 65×65mm, 75×75mm, 80×80mm, and 100×100mm with wall thickness choices of 1.6mm, 2.00mm, and 2.50mm, keeping corners and long runs firm instead of “walking” at the joints. The critical installation rule is simple: the fence post height is set 600mm higher than the panel height to support embedment and reduce leaning and repeat repairs. Surface treatment is typically galvanized and powder coated for long-life corrosion resistance and clean appearance, with packaging supplied on pallets, in bulk, or as required for efficient loading and site counting.
Buying a New Fence: 3 Factors to Bear in Mind
Privacy
If privacy matters, adding slats, screens, or infill increases wind load. That extra load must be matched with stronger rails and posts or the fence line will wave and drift.
Security
Security is decided by the full specification set: rail thickness + upright spacing + upright thickness + post wall + correct embedment depth. One weak link becomes the first failure point.
Appearance
A premium look only stays premium when the line stays straight. Weak specs show up as lean, flex, rattling joints, and early corrosion marks—exactly where people notice first.
The Top 15 Buying Traps That Decide Whether You Stay Secure—or Pay Twice
- Buying by photo instead of rail/upright/post specification.
- Choosing fence height for looks instead of real boundary risk.
- Selecting wide panels without upgrading post strength, causing long runs to “wave.”
- Picking 40×40 rails where 45×45 or 50×50 is needed for stiffness.
- Ignoring rail thickness, so the first impact creates a permanent bend and loose joints.
- Choosing thin uprights (0.80mm) in areas with traffic, pets, or repeated bumps.
Trap #7 Truth: The post-height shortcut that quietly turns your “secure fence” into a leaning rework job
When posts are not set panel height + 600mm, embedment depth is compromised. The panel may look straight at installation, but soil movement and wind load gradually shift the line, joints start rattling, and you end up re-setting posts and re-fixing panels across the run. This doesn’t fail once—it becomes a repeating cost.
- Undersizing posts at corners and gate returns where movement multiplies.
- Choosing upright spacing to “save steel” and losing stiffness across the whole face.
- Mixing different upright thicknesses across one project, creating “soft zones” that fail first.
- Using tall panels with light post walls (1.6mm) in exposed wind zones.
- Treating “galvanized” as one finish, then watching rust start at welds and cut ends.
- Using non-standard brackets/fixings that shake loose under vibration.
- Poor stacking/transport that warps panels before installation begins.
- Chasing the lowest unit price instead of the lowest lifetime rework cost.
Specifications in Tables
Table 1: POLYMETAL Spear Top Garrison Fencing Panels – Standard Series (10 Specs)
| Spec | Fence Height (mm) | Fence Width (mm) | Rail Frame (mm) | Rail Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Count | Upright Spacing (mm) | Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| STG-01 | 1500 | 2400 | 40×40 | 1.60 | 16×16 | 0.80 | 18 | 100 | 60×60 | 1.60 | 2100 |
| STG-02 | 1500 | 2450 | 40×40 | 2.00 | 25×25 | 1.00 | 17 | 108 | 65×65 | 2.00 | 2100 |
| STG-03 | 1800 | 2400 | 45×45 | 2.00 | 25×25 | 1.00 | 18 | 100 | 75×75 | 2.00 | 2400 |
| STG-04 | 1800 | 2450 | 45×45 | 1.60 | 16×16 | 1.00 | 18 | 100 | 65×65 | 1.60 | 2400 |
| STG-05 | 2100 | 2400 | 45×45 | 2.50 | 30×30 | 1.20 | 17 | 108 | 80×80 | 2.50 | 2700 |
| STG-06 | 2100 | 2450 | 45×45 | 2.00 | 25×25 | 1.20 | 16 | 115 | 80×80 | 2.00 | 2700 |
| STG-07 | 2400 | 2400 | 50×50 | 2.50 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| STG-08 | 2400 | 2450 | 50×50 | 3.00 | 30×30 | 2.00 | 17 | 108 | 100×100 | 2.50 | 3000 |
| STG-09 | 1500 | 2400 | 45×45 | 2.00 | 25×25 | 1.20 | 18 | 100 | 75×75 | 2.00 | 2100 |
| STG-10 | 1800 | 2450 | 40×40 | 2.00 | 25×25 | 0.80 | 16 | 115 | 65×65 | 2.00 | 2400 |
Table 2: POLYMETAL Spear Top Garrison Fencing Panels – Heavy-Duty Boundary Series (10 Specs)
| Spec | Fence Height (mm) | Fence Width (mm) | Rail Frame (mm) | Rail Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Count | Upright Spacing (mm) | Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HDG-01 | 1500 | 2400 | 45×45 | 2.50 | 25×25 | 1.20 | 18 | 100 | 75×75 | 2.50 | 2100 |
| HDG-02 | 1800 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 2400 |
| HDG-03 | 2100 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 17 | 108 | 100×100 | 2.50 | 2700 |
| HDG-04 | 2400 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| HDG-05 | 1800 | 2450 | 50×50 | 2.50 | 30×30 | 1.20 | 17 | 108 | 80×80 | 2.50 | 2400 |
| HDG-06 | 2100 | 2450 | 50×50 | 3.00 | 30×30 | 2.00 | 16 | 115 | 100×100 | 2.50 | 2700 |
| HDG-07 | 1500 | 2450 | 45×45 | 2.50 | 25×25 | 1.20 | 18 | 100 | 75×75 | 2.50 | 2100 |
| HDG-08 | 2400 | 2450 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| HDG-09 | 1800 | 2400 | 45×45 | 2.50 | 25×25 | 1.20 | 16 | 115 | 80×80 | 2.50 | 2400 |
| HDG-10 | 2100 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 2700 |
Table 3: POLYMETAL Spear Top Garrison Fencing Panels – High-Security Tight-Spacing Series (10 Specs)
| Spec | Fence Height (mm) | Fence Width (mm) | Rail Frame (mm) | Rail Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Count | Upright Spacing (mm) | Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HSG-01 | 1500 | 2400 | 45×45 | 2.50 | 30×30 | 1.20 | 18 | 100 | 75×75 | 2.50 | 2100 |
| HSG-02 | 1800 | 2400 | 50×50 | 2.50 | 30×30 | 1.20 | 18 | 100 | 80×80 | 2.50 | 2400 |
| HSG-03 | 2100 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 2700 |
| HSG-04 | 2400 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| HSG-05 | 1500 | 2450 | 45×45 | 2.00 | 25×25 | 1.20 | 18 | 100 | 75×75 | 2.00 | 2100 |
| HSG-06 | 1800 | 2450 | 50×50 | 2.50 | 30×30 | 1.20 | 18 | 100 | 80×80 | 2.50 | 2400 |
| HSG-07 | 2100 | 2450 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 2700 |
| HSG-08 | 2400 | 2450 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| HSG-09 | 1800 | 2400 | 45×45 | 2.50 | 25×25 | 1.20 | 18 | 100 | 80×80 | 2.50 | 2400 |
| HSG-10 | 2100 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 2700 |
Table 4: POLYMETAL Spear Top Garrison Fencing Panels – Coastal & High-Corrosion Series (10 Specs)
| Spec | Fence Height (mm) | Fence Width (mm) | Rail Frame (mm) | Rail Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Count | Upright Spacing (mm) | Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CG-01 | 1500 | 2400 | 45×45 | 2.00 | 25×25 | 1.20 | 18 | 100 | 75×75 | 2.50 | 2100 |
| CG-02 | 1800 | 2400 | 45×45 | 2.50 | 25×25 | 1.20 | 17 | 108 | 80×80 | 2.50 | 2400 |
| CG-03 | 2100 | 2400 | 50×50 | 2.50 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 2700 |
| CG-04 | 2400 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| CG-05 | 1500 | 2450 | 45×45 | 2.00 | 16×16 | 1.20 | 18 | 100 | 75×75 | 2.50 | 2100 |
| CG-06 | 1800 | 2450 | 45×45 | 2.50 | 25×25 | 1.20 | 16 | 115 | 80×80 | 2.50 | 2400 |
| CG-07 | 2100 | 2450 | 50×50 | 2.50 | 30×30 | 2.00 | 17 | 108 | 100×100 | 2.50 | 2700 |
| CG-08 | 2400 | 2450 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| CG-09 | 1500 | 2400 | 40×40 | 2.00 | 25×25 | 1.20 | 18 | 100 | 65×65 | 2.50 | 2100 |
| CG-10 | 1800 | 2400 | 45×45 | 2.00 | 25×25 | 2.00 | 18 | 100 | 80×80 | 2.50 | 2400 |
Table 5: POLYMETAL Spear Top Garrison Fencing Panels – Full Option Snapshot Mix (10 Specs)
| Spec | Fence Height (mm) | Fence Width (mm) | Rail Frame (mm) | Rail Thickness (mm) | Upright (mm) | Upright Thickness (mm) | Upright Count | Upright Spacing (mm) | Post Option (mm) | Post Wall (mm) | Fence Post Height (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MX-01 | 1500 | 2400 | 40×40 | 2.50 | 25×25 | 1.00 | 18 | 100 | 65×65 | 2.00 | 2100 |
| MX-02 | 1800 | 2400 | 45×45 | 2.00 | 25×25 | 1.20 | 17 | 108 | 75×75 | 2.00 | 2400 |
| MX-03 | 2100 | 2400 | 45×45 | 2.50 | 30×30 | 2.00 | 18 | 100 | 80×80 | 2.50 | 2700 |
| MX-04 | 2400 | 2400 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| MX-05 | 1500 | 2450 | 40×40 | 2.00 | 16×16 | 1.00 | 18 | 100 | 65×65 | 2.00 | 2100 |
| MX-06 | 1800 | 2450 | 45×45 | 2.50 | 25×25 | 1.20 | 16 | 115 | 80×80 | 2.50 | 2400 |
| MX-07 | 2100 | 2450 | 50×50 | 2.50 | 30×30 | 1.20 | 17 | 108 | 100×100 | 2.50 | 2700 |
| MX-08 | 2400 | 2450 | 50×50 | 3.00 | 30×30 | 2.00 | 18 | 100 | 100×100 | 2.50 | 3000 |
| MX-09 | 1800 | 2400 | 45×45 | 2.00 | 25×25 | 2.00 | 18 | 100 | 80×80 | 2.50 | 2400 |
| MX-10 | 1500 | 2450 | 45×45 | 1.60 | 25×25 | 0.80 | 16 | 115 | 65×65 | 1.60 | 2100 |
Conclusion
POLYMETAL spear top garrison fencing panels only deliver real perimeter control when rail thickness, upright thickness/spacing, and post wall strength are selected as one matched system—and when posts follow the panel height + 600mm rule. Avoid the Top 15 traps, and especially Trap #7 Truth, and you stop “small spec shortcuts” from becoming leaning lines, loose joints, corrosion blowouts, and repeat repair costs.
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