Why Aluminium Frames, and What to Look For
Aluminium is used because it is strong for its weight, does not rot, and can be coated in almost any colour. The difference between systems is in section sizes, coating quality and how they are joined.
Section sizing
The front beam does the work. A larger, better-engineered section allows wider spans with fewer posts, which is why two structures that look alike can perform very differently.
Powder-coating
A quality architectural powder-coat resists chalking and colour drift. It also means the frame never needs painting — washing is the maintenance.
Thermal movement
Aluminium expands and contracts. Well-designed systems allow for it at joints and glazing bars, which prevents creaking and gasket stress.
Fixings and corrosion
Stainless fixings and correct isolation between dissimilar metals stop long-term corrosion at exactly the points you cannot see.
Frequently asked questions
Will the colour fade?
Architectural powder-coat is designed to hold colour for many years; darker shades will always weather slightly faster in direct sun.
Can I have the frame in any colour?
Standard RAL options are widely available; specials are possible but affect lead time.
Does aluminium rust?
No. It can corrode if incorrectly paired with other metals, which detailing prevents.
Is timber ever better?
For appearance in some settings, yes — but it needs regular treatment and does not span as far for its size.
Next step
Ask to see frame sections and colour samples at your survey.
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