Do Aluminium Pergolas Rust or Corrode?

No, aluminium pergolas do not rust like iron or untreated steel. Aluminium naturally forms a protective oxide layer that helps resist corrosion, making it well suited to outdoor environments. Many aluminium pergolas also feature powder-coated finishes that provide an additional protective layer against rain, sunlight, frost, and changing temperatures. However, aluminium can still experience surface corrosion in particularly harsh environments, such as areas with high salt exposure or contact with incompatible metals. Proper installation, cleaning, and maintenance can help preserve the finish and extend the lifespan of an aluminium pergola.

Does powder coating protect an aluminium pergola?

Yes. Powder coating creates a protective surface that helps resist weathering, scratching, and corrosion while also providing an attractive decorative finish.

How do you prevent corrosion on an aluminium pergola?

Regularly clean the frame, remove dirt and debris, inspect fixings, and avoid harsh chemicals or abrasive cleaning products. Following the manufacturer's maintenance guidance also helps protect the finish.