Osmo Gard Clean

From £19.01 (inc VAT) £15.84 (ex VAT) per litre

Osmo Gard Clean is a highly effective cleaning and disinfecting concentrate which helps to remove green growth such as mould, mildew and soiling from treated and untreated wood surfaces. 

Perfect for use on garden furniture (wood and plastic) and cladding made of stone, plastic, concrete or pebble-dash.  

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Osmo Gard Clean

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At a Glance

  • Exceptional performance in removing green growth, mould and soiling from exterior materials.
  • Suitable for use on treated and untreated woods, plastics, stone, concrete, glass, ceramics and more!
  • Self-activating solution cleans surface thoroughly and protects against new-growth.
  • Concentrated solution.
  • No scrubbing necessary, simply apply, leave to work, then rinse.

Osmo Gard Clean can be used on practically all materials, such as untreated and treated woods, plastics, glass, stone and brickwork and ceramics. Osmo Gard Clean is ideal for use applications such as decks, balconies, roof tiles, garden furniture, patios and walkways.

Surface Preparation

Cover anything you do not wish to treat, for example, plants, shrubbery and surrounding walls.

Remove any loose growth or dirt from the surface before application. Ensure the surface is dry.


With a low odour, application is easy. Simply apply to affected area (pure or diluted), leave to work for 24 hours, then clean and dry the surface, ready to protect with your desired finish.

Size Price per Container Equivalent Price per Litre
1 litre £17.58£21.10 £17.58£21.10
5 litre £79.19£95.03 £15.84£19.01

Can Sizes 

1 litre / 5 litre.


Approximately 30-100 square metres per litre with one application (depending on level of growth).

Cleaning of Tools

Clean immediately after use with soap and water. 


Can be stored up to 2 years or more if the container is kept dry, closed tightly and stored at temperatures between 5°C and 35°C. 

Technical Data

Specific gravity: 0.99 g/cm3 at 20°C.

Viscosity: 23 mPas.

PH value: 7.


Irritating to eyes and skin. Very toxic to aquatic organisms. Keep out of reach of children. Avoid contact with the eyes and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Further detail may be found in the product data or material safety datasheet (see downloadable information). 

Osmo Gard Clean Application

Osmo Gard Clean can be used pure or diluted with water up to 1:10, depending on the nature of the contamination.

Apply with a brush, watering can or pump sprayer onto a dry surface. Alternatively, pour directly onto the affected surface. 

Do not rinse with water. 

The green growth should disappear within 24 hours. If the surface is not completely clean, repeat the procedure.

The surface only needs to be rinsed directly before being recoated. 

Courier Delivery


Woodcare, fasteners and accessories.


Up to 3 working days.


£5.00 (ex VAT) for mainland UK deliveries.

£12.75 (ex VAT) for Highlands & Islands.

£18.25 (ex VAT) for Northern Ireland, Isle of Man, Isle of Scilly.

£23.25 (ex VAT) for Isle of Wight.

Free delivery is offered on orders over £100 + VAT to UK mainland postcodes only.

You can view our detailed delivery charges and services here.