||Maximum period between cleaning is 6 months.
||Over time foreign dirt and materials will come into contact with your frames. Maintenance will help to prevent gradual deterioration and corrosion.
||Maximum period between cleaning is 3 months.
||Windows & doors within 8km of the coastline or within close proximity to swimming pools or industrial environments have a higher risk of corrosion.
||Heavy grime deposition, atmospheric pollution, eg Sulpher compounds or salts. These will quickly corrode your aluminium frames and cause visible deterioration if not maintained monthly.