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Aluminium Downpipe > Aluminium Security Downpipes

Colonnade Aluminium Security Downpipes

The Colonnade Range of Aluminium Security Rainwater Downpipes are available in Round and Square and either a Mill finish or PPC finish

The extruded aluminium flush fitting security pipes are supplied in 2 metre lengths with special secret fixings. The security pipes are manufactured in a vandal resistant aluminium which will not shatter or split. The benefits of this are that it is unclimbable and non-grippable. The security pipes come with a smooth visual appearance with no sockets or pipe clips.

Available in 83mm round, 108mm round, 83mm x 83mm square and 108mm x 108mm square profiles in a mill or polyester powder finish. A wide range of RAL / BS colours are available.


Round & Square downpipe formed from extruded 6060 T4 aluminium in various sizes (Ø80mm, 83x83mm, 108x108mm* ) & supplied with a complete range of accessories ie offsets, bends, drain offsets etc.
* Nominal size

Key Benefits:

For security conscious applications the pipe stack fits completely flush to the wall, the concealed & inaccessible joints make the pipe unclimbable after assembly.This also provides for a smooth visual appearance

Composition & Manufacture:

‘Colonnade’ downpipes are manufactured from Aluminium alloy 6060 T4 to BS1474:1972 & the product complies to, or exceeds all relevant standards.
Fittings for the downpipes are formed using fabrication methods involving cut,mitre & welding techniques using specially made jig & forming tools.


Mill Finish Aluminium or Polyester Powder Coated to a range of BS or RAL Colours.

Installation & Jointing:

Unlike other systems, Security Pipe has to be built from the ground up. Ensure vertical alignment between drain & gutter outlet.
Pipe Brackets should be fi xed into the top of the pipe by lightly tapping into place & then fixed to the wall using plastic wall plugs & 5mm x 50mm st.stl screws (dependant on substrate).
Apply a bead of sealant around spigot before inserting into mating pipe. Clean off excess as required. See Fig 1.

Fig 1.

Model Specification:

ARP heavy grade ‘Colonnade’ Security pipes & fi ttings to BS 2997 (EN612) using 6060 T4 grade extruded aluminium in accordance with BS 1474:1974. Profile to be Round/Square*., size Ø80mm (2mm), 83x83mm (2mm), 108x108mm (2.5mm)*
Materials to have factory applied Polyester Powder Coat to all significant surfaces in accordance with BS EN 122026 Matt/Satin/Gloss* finish, or alternatively plain aluminium Mill Finish. All to be supplied by Aluminium Roofline Products Ltd, Unit 2, Vitruvius Way, Meridian Business Park, Braunstone, Leicester LE19 1WA. Tel 0116 2894400 Fax 0116 2894433.
To be fastened by 5mm x 50mm (dependant on substrate) stainless steel screws, in accordance with the manufacturer’s specification & guidelines. Downpipes to be fixed at 2m centres maximum with supplementary brackets at or near fittings.
ARP Aluminium Security Downpipe Technical Guide