Strong-Span Aluminium Decking

Open Steel System

A wider aluminium decking system with built-in drainage designed specifically for retrofitting on steel beams.

Built for balcony retrofitting

Strong-Span can also be ripped to half-width (150 mm) and still pass the 2kn point load requirement at 1.25m span, as per BS EN 1991‑1‑1.


Grey Brown


Anthracite Grey


Bespoke RAL Colours Available

Fire Resistant to EN 13501-1

A2 certified aluminium

Fixed Height

30 mm total height

Qualicoat Certified Coating

Long-lasting powder coat

Perfect For Balcony Retrofitting

Passes deflection requirements even at half-width

Designed to accomodate larger steel substructures

Strong-Span boards have two channels for bolting to larger steel beams which can accommodate bolts up to M20s.


Technical Specification

LengthBespoke lengths
Profile300 x 30 mm
Colours8019 Grey Brown, 7016 Anthracite Grey (bespoke RAL colours available)
Reaction to fireA2 s1 d0 and A2fl-s1
WarrantyUp to 30 years
MaterialAluminium 6063-T6, Interpon PE powder
FinishAnti-slip Qualicoat 1 textured powder coat
Deflection at 2 kN point load (full board)2.10 at 1/180, 1.50 at 1/360, 1.30 at 1/480
Deflection at 2 kN point load (half width)1.50 at 1/180, 1.05 at 1/360, 0.90 at 1/480

Technical Downloads