The Perfect Finish

Portsmouth Aviation has been providing high quality, close-tolerance metal finishing services for over 60 years. We are one of the largest metal treatment facilities on the south coast and hold all related quality approvals. In addition, our treatment facilities are supported by comprehensive in-house testing to ensure your components are anodized, coated, treated or painted exactly as you have specified.

Our Services Include:

  • Sulphuric Anodising
  • Chromic Anodising
  • Nitric Acid Passivation
  • Alochrom 1200
  • Zinc Plating
  • Cadmium Plating
  • Manganese Phosphating
  • Zinc Phosphating
  • Painting and powder Non destructive testing


Approvals for treatment are held from a number of primes including Britten-Norman Aircraft Ltd, Augusta Westland and BAE Systems, in addition to our company approvals which include AS 9100 Rev.B, ISO 9001 : 2008 and ISO14001 : 2004

Painting, spraying and shot-blasting

A wide range of defence, aerospace, commercial and civil wet coatings are carried out within customers’ precise specification, including:

  • Pre-coating preparation
  • Shot, bead and vacuum blasting up to 3000 x 3000 x 10,000 mm
  • Zinc metal spraying
  • Specialised masking
  • Within, specialized, large painting and baking booths with track facilities
  • Extensive environmental control


  • Fully equipped in-house laboratory
  • Salt Spray
  • Non-Destructive Testing (NDT)
  • Dye Penetrant
  • Magnetic Particle
  • Hardness and conductivity testing