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Product information

Description

General description

Osmo Natural Oil Woodstain in Basalt Grey offers innovative and durable protection for exterior wood surfaces. This product serves as both a base and top coat, providing a fast-drying finish that allows the natural wood grain to remain visible. It is extremely weather and UV resistant, as well as highly water and dirt resistant. The woodstain is also resistant to algae, mould, mildew, and fungal attacks, helping to reduce wood swelling and shrinkage. Its microporous, breathable finish does not crack, peel, or flake, and no sanding is necessary for future applications.

Technical specifications

  • Volume: 2.5 Litre
  • Coverage: 26 m²/L with one coat
  • Drying time: First coat: 4-6 hours; Second coat: 12 hours
  • Moisture content of wood: max. 20%
  • Application

  • Recommended tools: Osmo Flat Brush or Microfibre Roller
  • Method of application: Apply thinly along the wood grain and spread well
  • Surface preparation: Ensure wood surface is clean, dry, and frost-free
  • For best results, apply the first coat to all sides before installation
  • Old microporous stains must be cleaned thoroughly, and old paints and lacquers should be completely removed
  • For additional protection against blue stain, rot, and insects, pre-treat the wood with Osmo WR Base Coat if possible
  • Usage

  • Recoat when signs of wear become visible
  • For renovation works, one coat applied to a clean and dry surface is usually sufficient
  • Transparent colours may deviate from sample colours due to the natural colour of the wood
  • Light transparent colour tones offer limited UV protection and are not recommended for surfaces exposed to strong sunlight
  • To extend the life of the coating, apply a final top coat of Osmo UV Protection Oil Extra 420 Clear after thorough drying (not recommended for White 900)
  • Other information

  • All colour tones can be mixed with each other
  • Available in 186 RAL Classic and 1950 NCS colour tones starting from 2.5 litres per colour tone
  • Dried surface initially appears satin-glossy and then satin
  • Many wood species may leach out water-soluble coloured extractives when weathered
  • Osmo Natural Oil Woodstain contains biocides and is intended for outdoor use only
  • Using power washers may decrease coverage, and general or multi-purpose cleaners may increase maintenance frequency
  • Features

    • Brand
      OSMO
    • Material
      Wood
    • Colour
      Grey
    • Suitable for
      Wood
    • Area yield
      26 m²/l

    Customer reviews

    RRobert
    Published on 27/06/2023, United Kingdom

    I've used this product before, so knew what to expect. It's the best one I have come across for outside wood furniture, in this case an oak table.

    SSimon
    Published on 11/04/2023, United Kingdom

    This is a great product & I would highly recommend it to others. It’s expensive but worth the outlay.

    MManoMano Customer
    Published on 24/11/2022, United Kingdom

    A very expensive product, unfortunately not sold in smaller quantities. There is good customer information on the product. It is eay to apply and results in a perfect finish. I hope it performs as well over the comming years.

    MManoMano Customer
    Published on 14/10/2022, United Kingdom

    Brilliant product we have treated a log cabin with this product. We first stained the cabin with an Osmo stain then used the clear for a top coat for extra protection. The product applies very easily and a tin will go along way. We are planning on just using this product every few years to keep the protection up as its so easy to apply.

    MManoMano Customer
    Published on 06/06/2022, United Kingdom

    We love Osmo products and this has been perfect for the new weatherboarding on our house. This was a good price for quite an expensive product but we are confident it will do the job and ensure the wood lasts and looks good for longer.

    MManoMano Customer
    Published on 10/09/2021, United Kingdom

    I’ve used this product before… easy to apply and excellent colour

    Advice from

    Wood care products buying guide

    From paint and stains for shutters and structural woodwork to exotic wood oil for your decking and wax or stains for your flooring and furniture... When it comes to wood care, there are plenty of products to keep your wood safe from insects, mould, UV rays, impacts and wear. Read on to find the right wood care product!
    Wood care products buying guide
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    More than 7 million individual and professional customers