Close-up of a black aluminium balustrade rail meeting the post with a powder-coated end cap
Close-up of the black aluminium post base plate cover fitted at the foot of a balustrade post
75mm square black aluminium balustrade post with post cap and base cover, shown installed with rails and pickets in a garden setting
Close-up of the flat black post cap on a 75mm square aluminium balustrade post, matt powder-coated finish
75mm black aluminium balustrade post shown at full height beside garden furniture for scale
14 reviews

Aluminium Balustrade Post – 75mm Black

Key Features

- 75mm × 75mm square post in aluminium alloy 6005, approx. 5kg.

- 1140mm post height — gives a 1100mm guarding height once installed.

- 120mm square base plate with corner fixing holes, plus a matching base cover.

- Matt black powder-coat (RAL 9017) — rust-free and low-maintenance.

- Ground fixings not supplied.

SKU: ALU005
Availability: Out Of Stock
Subtotal: £89.99inc VAT
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Delivery: £60 to most of mainland UK — free on orders over £2,000. Usually delivered in 3–7 working days. Exact cost confirmed at checkout by postcode.
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Load tested to BS 6180:2011 and PD 6688-1-1
Domestic (Category A) barrier loads — suitable for barriers in and around single-family homes
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Close-up of a black aluminium balustrade rail meeting the post with a powder-coated end cap

Aluminium Balustrade Post – 75mm Black

£89.99inc VAT

Aluminium Balustrade Post – 75mm Black

£89.99inc VAT

    Useful Documents

    Description

    The aluminium balustrade post is the upright that carries your rails — a 75mm × 75mm square post in alloy 6005, finished in matt black powder-coat (RAL 9017) so it won't rust, rot or fade outdoors. Each post stands 1140mm to the top of the cap and weighs around 5kg.

    Every post has a 120mm square base plate with a fixing hole in each corner, so it bolts down onto any solid structural surface — timber decking, concrete, stone or masonry. M10 × 80mm bolts are our recommendation, though the right fixing depends on what you're fixing into, and ground and wall fixings aren't supplied. A matching base cover finishes the foot neatly.

    The post is supplied undrilled, so bracket heights can be set to suit the run, and two alignment stencils come with each post to mark the bracket positions square and level. Posts are spaced up to a maximum of 1829mm apart, with additional posts added along longer runs to keep the balustrade rigid.

    Posts are sold singly, so you buy exactly the number your layout needs. If you'd rather not count them yourself, the Build Your Own aluminium balustrade kit works out every post, rail and bracket from your measurements and adds them to your basket in one go.

    Specifications

    Specification Value
    Material Aluminium Alloy 6005
    Colour Black (RAL9017)
    Finish Powder Coated (Matt)
    Height 1140mm
    Width 75mm
    Weight 5kg
    Fixing Method Level Ground

    What’s Included

    Post 1
    Base Cover 1
    Bracket Alignment Stencil 2

    Installation Guide

    • Watch: Installing the railing kit (4:56)

    • Watch: Fitting the balustrade on stairs (2:42)

    • Watch: Installing the gate (1:54)

    FAQs

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    Compliance

    Safety & compliance

    Our aluminium balustrade has been load tested to the domestic (Category A) barrier loads in BS 6180:2011 and PD 6688-1-1, for decking, patios, steps and stairs.

    • Load tested to domestic (Category A) loads — to the barrier loads in BS 6180:2011 and PD 6688-1-1, on level runs and 35° stairs at the full 1,829 mm span
    • Passed every domestic load — 0.36 kN/m line load at the top of the barrier, 0.5 kN/m² infill load and 0.25 kN point load, all within the 25 mm deflection limit
    • More than 9× the domestic design load — the ultimate failure load in every configuration tested
    • 1100 mm guarding height — with pickets at 96.5 mm, so a 100 mm sphere cannot pass through
    • 1,000 hours salt spray — the black powder coating (RAL 9017) on aluminium alloy 6005-T6 passed 1,000 hours of neutral salt spray testing (ASTM B117)
    • Maximum clear span 1,829 mm — measured between post faces, not post centres. Additional posts are added along longer runs
    Has the balustrade been load tested?

    Yes. It has been load tested to the domestic (Category A) barrier loads in BS 6180:2011 and PD 6688-1-1, on level runs and 35° stairs at the full 1,829 mm span. It passed the 0.36 kN/m line load at the top of the barrier, the 0.5 kN/m² infill load and the 0.25 kN point load, all within the 25 mm deflection limit, and its ultimate failure load was more than 9 times the domestic design load. The full load test report (TOL-LTS-001) is available to download (PDF).

    Where can I use this balustrade?

    Domestic decking, patios, steps and stairs. Whether a particular installation complies also depends on it being assembled correctly and fixed to a suitable structural surface.

    How high is the balustrade, and is the gap child-safe?

    The finished guarding height is 1100 mm, and pickets are spaced at 96.5 mm so a 100 mm sphere cannot pass through.

    Is it suitable for coastal locations?

    Yes. The aluminium will not rust, and the powder coating passed 1,000 hours of neutral salt spray testing (ASTM B117). In coastal areas, rinse it down roughly once a month to remove salt build-up.

    How far apart can the posts be?

    The maximum clear span is 1,829 mm, measured between post faces rather than post centres. Runs longer than that need additional posts along them.

    For domestic decking, patios, steps and stairs. The full load test report (TOL-LTS-001) is available to download. As with any balustrade, the finished installation also depends on correct assembly and fixing to a suitable structural surface.

    Nationwide Delivery

    28 Days Returns

    Nationwide Delivery

    28 Days Returns

    Nationwide Delivery

    28 Days Returns

    Nationwide Delivery

    28 Days Returns

    Nationwide Delivery

    28 Days Returns

    Nationwide Delivery

    28 Days Returns

    Customer reviews

    5.0 out of 5 · 14 reviews