Safety railings and guards
Post-and-rail or picket guards for walkways, platforms, ramps and stairs, designed to code loads and opening limits.
Perimeters, guards and balustrades
Commercial Aluminium Fence & Railing Systems
Commercial aluminium fence and railing systems secure building perimeters, protect people at raised edges and divide outdoor spaces on offices, apartments, hotels, schools and public sites. Extruded 6063 and 6005A posts, rails, pickets, slats and glass channels are built into welded panels or modular systems, sized to meet building-code guard loads and finished to resist years of weather. Metline supplies the profiles and components to fabricators for commercial projects worldwide.
- Alloys
- 6063-T5/T6, 6005A-T6, 6061-T6
- Styles
- Picket, slat, privacy, glass
- Build
- Welded panels or modular kits
- Finish
- Powder coat, anodised, wood-grain
Commercial versus residential fence and railing
Commercial projects ask more of a fence or railing than a private garden does. Guards on balconies, walkways and stairs in public and multi-occupancy buildings must resist higher design loads, are inspected against building codes, and see far more use and abuse. Runs are long, so consistency of colour and dimensions across hundreds of panels matters, and the system must be quick to install on a busy site.
Aluminium meets these needs well. A powder-coated aluminium fence does not rust where it is cut, drilled or scratched, unlike painted steel, so it keeps its appearance on exposed and coastal sites with very little maintenance. It weighs about a third as much as steel, which reduces handling, crane time and load on balcony slabs. And because profiles are extruded, posts can include screw ports, glass channels and concealed fixing grooves that make modular assembly fast and tidy.
Commercial fence and railing styles
Vertical picket fence
Square or round pickets between top and bottom rails. Hard to climb when rails are spaced correctly, open to view, and the standard for secure perimeters, schools and pool areas.
Horizontal slat fence
Slats of 50 – 150 mm with adjustable gaps for a modern look and controllable screening. Used on courtyards, terraces and plant enclosures.
Privacy screens
Close-spaced slats, louvres or perforated panels for hotels, apartments and bin or plant areas.
Glass railings
Laminated glass in aluminium base shoes, posts or frames, preserving views on balconies, atriums and high-rise terraces.
Balcony and deck railings
Railings of posts, top rails, infill and stair sections, matched across a whole building.
Guard heights, openings and design loads
Railings that protect a drop are guards, and every code sets three requirements for them: a minimum height, a maximum opening size, and the load the guard must resist. The values below are common reference points; always confirm the code that applies to your project.
| Requirement | United States (IBC) | UK (Approved Document K / BS 6180) | Europe (Eurocodes) |
|---|---|---|---|
| Minimum guard height, commercial | 42 in (1067 mm) | Typically 1100 mm at balconies and edges; 900 – 1100 mm elsewhere | Set nationally, commonly 1000 – 1100 mm |
| Maximum opening | A 4 in (102 mm) sphere must not pass, in most locations | 100 mm sphere where children may be present | Set nationally, commonly 100 – 120 mm |
| Top rail load | 50 lb/ft (0.73 kN/m) line load or 200 lb (0.89 kN) concentrated | 0.36 – 3.0 kN/m depending on use (BS 6180 / EN 1991-1-1 UK annex) | EN 1991-1-1, by occupancy category |
| Infill load | 50 lb (0.22 kN) on a 1 ft² area | Specified per use category | Per national annex |
Loads for crowd areas such as stadiums, shopping centres and stations are much higher than for offices or apartments. Glass balustrades usually require laminated toughened glass so that the guard stays in place if a pane breaks.
Meeting these loads is mostly about the post and its fixing. A 1.1 m post carrying a horizontal load at the top places a large bending moment on its base, so post sections, wall thickness, base plates and anchors are sized by calculation. In aluminium, 6005A-T6 or 6061-T6 posts, or internally reinforced 6063 posts, are common for higher loads. Fixings into concrete use tested anchors with adequate edge distance; side-fixed posts on slab edges are checked carefully for both the anchor and the slab.
Alloys, profiles and construction
| Component | Typical alloy | Notes |
|---|---|---|
| Pickets, slats and rails | 6063-T5 or T6 | Good strength, excellent finish, easy to punch and machine |
| Posts for guards | 6005A-T6, 6061-T6 or reinforced 6063-T6 | Higher strength for code loads; wall thickness often 2 – 3 mm or more |
| Base plates and brackets | 6061-T6 plate or cast aluminium | Carry concentrated loads into anchors |
| Glass base shoes | 6063-T6 or 6061-T6 heavy extrusion | Clamp laminated glass with tested wedge or grout systems |
| Perforated or decorative panels | 3003, 5005 or 5052 sheet | Formable, coats well; 5052 near the sea |
| Fasteners | Stainless steel | Isolated from aluminium to limit galvanic corrosion |
Welded panels are assembled and welded in the factory before coating. They are rigid, consistent and quick to install, which suits long perimeter fences with regular spacing. The trade-off is bulk in shipping and less flexibility on site.
Modular systems use pickets and slats fixed into punched or grooved rails with screws or concealed clips. They ship flat, can be cut and adjusted on site for slopes and corners, and damaged parts can be replaced individually. Most balcony and stair railings are modular.
Typical dimensions
- Fence heights
- 1.0 – 2.4 m; security fences higher
- Post spacing
- Typically 1.8 – 2.4 m for fences; set by calculation for guards
- Post sizes
- About 50 – 100 mm square, or as calculated
- Picket sizes
- About 16 – 25 mm square or round
- Slat widths
- 50 – 150 mm, gaps from 5 mm upwards
Finishes for long outdoor life
For commercial exterior work, specify the coating standard as well as the colour. Powder coating to AAMA 2604 or Qualicoat Class 2 is a good default; AAMA 2605 or Qualicoat Class 3 suits coastal, high-UV and prestige sites. Anodising (at least 20 µm, Qualanod Class 20) gives a durable metallic look, and wood-grain transfer finishes are popular on slat and privacy screens. Black, anthracite and bronze are the most common colours for perimeter fences.
Typical commercial applications
| Project | Typical system |
|---|---|
| Office campuses and business parks | Vertical picket perimeter fence with matching gates; slat screens around plant |
| Apartments and multi-family housing | Modular picket or glass balcony railings, stair guards, courtyard fences |
| Hotels and resorts | Glass railings on terraces, slat privacy screens, pool fencing |
| Schools and hospitals | Anti-climb picket fences, ramp and walkway guards |
| Industrial sites and platforms | Welded post-and-rail safety railings and secure perimeters |
| Coastal developments | High-durability coatings and stainless fixings on all railings and fences |
A typical residential tower might use 1100 mm glass balcony guards in an aluminium base shoe on every floor, picket guards on the stairs, and a slat privacy screen around the ground-floor bin store, all in the same anthracite powder coat.
What to include in an enquiry
- ApplicationPerimeter fence, balcony or stair guard, privacy screen or glass railing, and the building type.
- Layout and sizesPlans or run lengths, heights, gates, corners, slopes and stairs.
- Code and loadsGoverning building code, guard loads and any child-safety or pool requirements.
- Style and finishPicket or slat spacing, infill type, colour and coating standard.
- SupplyWelded or modular construction, profile quantities, destination and packing; delivered on EXW, FOB, CIF or DAP terms with material certificates.
References and standards
- International Building Code, section 1015 Guards and section 1607 live loads (ICC)
- BS 6180 – Barriers in and about buildings: code of practice
- EN 1991-1-1 (Eurocode 1) – Densities, self-weight, imposed loads for buildings
- EN 755-2 – Aluminium extruded rod/bar, tube and profiles: mechanical properties
- Qualicoat – Specifications for coatings on aluminium for architectural applications
Commercial aluminium (aluminum) fences and railings: FAQ
What height must a commercial railing be?
Under the International Building Code, guards in commercial buildings must be at least 42 in (1067 mm) high. In the UK, 1100 mm is typical for balconies and edges. Check the code for your country and use.
Which aluminium alloy is used for commercial fences?
6063-T5 or T6 is standard for pickets, slats and rails. Posts that carry code guard loads often use 6005A-T6 or 6061-T6, or reinforced 6063 sections.
Welded or modular: which is better?
Welded panels are rigid and quick to install on long, regular runs. Modular systems ship flat, adapt to slopes and corners on site and allow individual parts to be replaced. Many projects use welded fences and modular railings.
Are aluminium fences suitable for coastal sites?
Yes. Aluminium does not rust, and with a coating to AAMA 2605 or Qualicoat Class 3 and stainless steel fixings isolated from the aluminium, fences and railings last well in salt air with periodic washing.
Do you supply complete gates?
No. We supply gate-frame profiles, matching posts, hinges, latches, base plates, end caps and fixings with the fence or railing profiles; your fabricator builds the gates.
Can glass railings be supplied with aluminium base shoes?
Yes. Aluminium base shoes, posts and top rails can be supplied for laminated glass balustrades, with the glass and fixing system selected for the required guard load.
Planning a commercial fence or railing project?
Send drawings, heights, style and the applicable code. We will propose profiles and components and quote delivered supply.
