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Product information

Description

General description

Osmo Decking Oil is specially formulated to meet the demands of wooden decking, ensuring that the natural wood character remains visible. It is safe for humans, animals, and plants once dry, and offers high resistance to water and dirt. The oil is breathable, which helps reduce water logging, swelling, and shrinkage. Its microporous, penetrating finish does not crack, peel, or flake, and no sanding is necessary when topping up the coating.

Technical specifications

  • Volume: 2.5 Litre
  • Dry time: 12 hours
  • Coverage: 24 m²/L with one coat
  • Recommended coats: 2 coats, or one coat plus top coat of Osmo Anti-Slip Decking Oil 430
  • Moisture content max: 20%
  • Surface preparation

  • Bare wood species with high natural wood extractives need to weather for a minimum of 4 weeks before initial treatment or be cleaned with Osmo Brush Cleaner and Thinner.
  • Resinous wood (e.g., Larch, Douglas Fir) requires a weathering period of at least 6 weeks.
  • Pressure impregnated wood and tropical species (e.g., Massaranduba, Bangkirai, Garapa, Iroko) need to weather for at least 3 months.
  • Cedar also requires a 3-month weathering period.
  • Greyed and weathered wood can be refreshed with Osmo Wood Reviver Power-Gel before applying the oil.
  • Installation

  • Ensure the wood surface is clean, dry, and frost-free.
  • Stir the oil well before use and do not thin.
  • Lightly sand old microporous stains or completely remove old varnishes before application.
  • For fresh wood species, weathering may be required after sanding.
  • Use a stiff brush (Osmo Flat Brush) or a lint-free cloth to apply the oil thinly and evenly along the wood grain.
  • For easier application, use the Osmo Decking Brush (150 mm).
  • Allow for good ventilation while drying; lower temperatures and higher humidity will delay drying.
  • Apply the second coat thinly once the first coat is dry.
  • Usage

  • If a less intense color is desired, the second coat can be applied with clear Anti-Slip Decking Oil 430.
  • Choosing a richer and darker color provides higher UV protection.
  • Avoid applying clear Anti-Slip Decking Oil 430 as a standalone finish due to limited UV protection.
  • Other information

  • Always wear a dust mask when sanding.
  • For additional protection against blue stain, rot, and insect attack, pre-treat the wood with Osmo WR Impregnation if possible on all sides.
  • Features

    • Brand
      OSMO
    • Volume in litres
      2.5 l
    • NF certification
      NF120
    • Finishing appearance
      Matt
    • Suitable for
      Wood
    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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