No minimum order & speedy delivery

No minimum order & speedy delivery

Competitively priced & quality standards

Competitively priced & quality standards

UK manufactured & UK customer service

UK manufactured & UK customer service

Bespoke cutting service to your length

Bespoke cutting service to your length

Aluminium Box Sections Online

No minimum order & speedy delivery

No minimum order & speedy delivery

Competitively priced & quality standards

Competitively priced & quality standards

UK manufactured & UK customer service

UK manufactured & UK customer service

Bespoke cutting service to your length

Bespoke cutting service to your length

Does your design require rectangular or square aluminium box sections? If so, you are in the right place!



It's simple to pick up what you need in our online shop. And there's no annoying minimum order quantity.

Once you place your order, our team will ensure that your stocked aluminium box sections are packed and out the door for delivery within 24 hours.

Our team in East Sussex help clients from across the UK - so please get in touch if you have any queries - we'd be delighted to help. We regularly work with a diverse set of customers including window fitters, bathroom specialists, shop fitters, interior designers, builders, architects and professional DIYers.


View our range of Aluminium Box Sections



Scroll through our stock of rectangular and square aluminium box sections in our online shop below.

Aluminium Rectangular Box Section- 101.6mm x 25.4mm x 3.18mm- Length 4000mm

Aluminium Rectangular Box Section- 101.6mm x 25.4mm x 3.18mm- Length 4000mm

Ref. FREC101.6X25.4X3.18
£80.78 exc VAT
View
Aluminium Rectangular Box Section- 101.6mm x 50.88mm x 6.35mm- Length 4000mm

Aluminium Rectangular Box Section- 101.6mm x 50.88mm x 6.35mm- Length 4000mm

Ref. FREC101.6X50.88X6.35
£187.38 exc VAT
View
Aluminium Rectangular Box Section- 152.4mm x 50.8mm x 3.2mm- Length 4000mm

Aluminium Rectangular Box Section- 152.4mm x 50.8mm x 3.2mm- Length 4000mm

Ref. FREC152.4X50.8x3.2
£133.01 exc VAT
View
Aluminium Rectangular Box Section- 38.1mm x 19.05mm x 1.6mm- Length 4000mm

Aluminium Rectangular Box Section- 38.1mm x 19.05mm x 1.6mm- Length 4000mm

Ref. FREC38.1X19.05X1.6
£18.23 exc VAT
View
Aluminium Rectangular Box Section- 38.1mm x 25.4mm x 3.18mm- Length 4000mm

Aluminium Rectangular Box Section- 38.1mm x 25.4mm x 3.18mm- Length 4000mm

Ref. FREC38.1X25.4X3.18
£38.34 exc VAT
View
Aluminium Rectangular Box Section- 40mm x 20mm x 2mm- Length 4000mm

Aluminium Rectangular Box Section- 40mm x 20mm x 2mm- Length 4000mm

Ref. FREC40X20X2
£23.67 exc VAT
View
Aluminium Rectangular Box Section- 50.8mm x 25.4mm x 3.18mm- Length 4000mm

Aluminium Rectangular Box Section- 50.8mm x 25.4mm x 3.18mm- Length 4000mm

Ref. FREC50.8X25.4X3.18
£46.90 exc VAT
View
Aluminium Rectangular Box Section- 50.8mm x 38.1mm x 3.25mm- Length 4000mm

Aluminium Rectangular Box Section- 50.8mm x 38.1mm x 3.25mm- Length 4000mm

Ref. FREC50.8X38.1X3.25
£56.57 exc VAT
View
Aluminium Rectangular Box Section- 50mm x 30mm x 3mm- Length 4000mm

Aluminium Rectangular Box Section- 50mm x 30mm x 3mm- Length 4000mm

Ref. FREC50x30x3
£46.08 exc VAT
View
Aluminium Rectangular Box Section- 76.2mm x 25.4mm x 3.18mm- Length 4000mm

Aluminium Rectangular Box Section- 76.2mm x 25.4mm x 3.18mm- Length 4000mm

Ref. FREC76.2X25.4X3.18
£63.88 exc VAT
View
Aluminium Rectangular Box Section- 76.2mm x 38.1mm x 3.18mm- Length 4000mm

Aluminium Rectangular Box Section- 76.2mm x 38.1mm x 3.18mm- Length 4000mm

Ref. FREC76.2X38.1X3.18
£72.41 exc VAT
View
Aluminium Rectangular Box Section- 76.2mm x 50.8mm x 3.18mm- Length 4000mm

Aluminium Rectangular Box Section- 76.2mm x 50.8mm x 3.18mm- Length 4000mm

Ref. FREC76.2X50.8X3.18
£80.94 exc VAT
View

Why use us for your Aluminium Box Sections?


It's important to choose a trusted, reliable and experienced supplier for your aluminium box sections. Here at Aluminium Extrusions Online we are really focused on exceeding your expectations.

  • You can enjoy the ease of buying online AS WELL AS having super helpful, knowledgeable people to speak to directly if needed
  • We've been working with aluminium extrusions for 25 years!
  • Keep it British - All our aluminium profiles are extruded, fabricated and finished in the UK.
  • Benefit from the best of both worlds - a competitive price and a great quality product. We achieve this because we pass on the benefits of our 25 years in the wholesale trade of aluminium extrusions
  • Our extrusion manufacturing complies with EU tolerances EN755-9, fabricated to ISO 9001:2008 Quality Standards, and our anodisers quality control is in line with Qualanod/BS EN ISO 7599

Plus

  • No minimum order quantity
  • Choice of finishes on many items
  • Extensive range of stocked aluminium box sections
  • Quick order processing to despatch your goods across the UK from our warehouse in East Sussex
  • 14 days returns policy

And if you need something made to measure, we offer:

  • A cutting service - we'll cut your chosen aluminium box sections to length

Please contact us with any questions.


Why use Aluminium for your Box Sections?


You won't find a better material than aluminium for the majority of situations. This is because it has an incredible set of properties compared to other options. Aluminium box sections are:

  • Strong
  • Lightweight
  • Recyclable
  • Corrosion-resistant
  • Cost-effective since they are maintenance-free

Aluminium profiles provide narrower widths than uPVC and other materials because of its strength.

You are welcome to contact our friendly team who will be happy to help with any questions.