Products
Catalog
About us
Maintenance & warranty
My project
Pro Access
Kostum aluminium sliding gate and railing in front of a contemporary house

Caring for my product

Our maintenance and cleaning advice

Close-up of the louvred slats of a powder-coated aluminium gate

Cleaning aluminium

Cleaning steps

  • Simply clean with water and a mild detergent (pH between 5 and 8). Abrasive sponges must not be used.
  • Rinse thoroughly with clean water. Never use a pressure washer.
  • Wipe with a soft, non-abrasive and absorbent cloth.

Cleaning frequency

2 to 3 times a year, depending on how harsh your environment is.

Recommended care products for aluminium

  • pH-neutral household or industrial cleaning products.
  • pH-neutral glass cleaners and washing-up liquids.
Buy aluminium care products
Aziliz Kostum glazed aluminium railing installed on a terrace

Cleaning glazing

Cleaning steps

  • Use plenty of clean water to avoid scratches caused by dust.
  • Clean with a standard glass cleaner and a soft sponge. For grease or sealant residue, usual solvents such as alcohol or isopropanol may be used.
  • Dry the glass with a squeegee, a microfibre cloth or a chamois leather.

Cleaning frequency

Several times a year, depending on how harsh your environment is.

Anian Kostum openwork swing gate in red cedar

Cleaning wood

Cleaning steps

  • Clean with mild (lukewarm) soapy water using a non-abrasive sponge or a soft brush.
  • Avoid aggressive detergents and pressure washers.
  • Dry carefully to prevent mould.

Cleaning frequency

2 to 3 times a year, depending on how harsh your environment is.

Lily Kostum lean-to aluminium pergola fitted with white zip blinds

Cleaning pergola zip blinds

Cleaning steps

  • Remove dust with a vacuum cleaner or compressed air (to avoid creasing the fabric).
  • Clean with a sponge and soapy water.
  • Rinse with clean water.
  • Let the fabric dry completely while fully extended.
Somfy motor installed on an aluminium sliding gate

Cleaning gate motors, locks and rails

Gate motors

Lubricate the inside of the cylinder with a cylinder-specific lubricant (do not use penetrating oil or grease).

Hinges and locks

Use a paraffin-type spray lubricant on the lock and the hinges once a year.

Sliding gate rail

Regularly clear the area around the rail (leaves, gravel, etc.).

How can we help you?

A specific question?

Browse our frequently asked questions for immediate answers about our warranties, products and services.

See the FAQ

Is your product damaged?

Something not working? Contact your installer or order your spare parts directly on our site.

The Kostum newsletter

Stay inspired all year round with our outdoor design tips, trends for enjoying the outdoors and all the latest news from the Kostum brand by signing up to our newsletter.