Demidekk® Ultimate 12-YEAR Opaque Woodstain


From £49.99

Jotun Demidekk® Ultimate Opaque 12-Year Woodstain is a high-performance, water-based, long-lasting, flexible coating for sheds, summerhouses, timber cladding, and all exterior timber. Tough, durable and beautiful, Ultimate is available in 57+ colours and 2 sizes – 3L & 10L.


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Demidekk® Ultimate 12-Year Opaque Shed & Summerhouse Woodstain is a high-performance, long-lasting, flexible coating for sheds, summerhouses, timber cladding, and all exterior timber. Ultimate, as its name suggests, delivers the definitive durable finish without compromising looks or the environment, which is why it is proving a popular choice with architects and customers requiring a high performing product.

RAL colours

Tough, durable and beautiful, Ultimate is a natural choice for anyone who wants lasting performance without compromise. Demidekk Ultimate can be mixed to almost any colour in the BS and RAL range, as well as the 57 standard Jotun Demidekk colours. Please call to see if we can do your preferred colour. 

Formulated for durability, this technically superb exterior wood stain boasts a maintenance cycle of 12 years, while ensuring the same integrity and lustre throughout its long life. Its advanced waterborne system and exceptionally low Volatile Organic Compound (VOC) rating (the lowest of any stain available on the market today) means the impact on the environment is minimal, both immediate and over the long term. 



  • High performance opaque finish
  • Tough, durable and beautiful
  • Protects for up to 12-years
  • Water repellent
  • Suitable for use with pre-treated and pre-stained timbers
  • Can be used in low temperatures
  • Touch dry in 2-hours
  • Available in 57 beautiful Demidekk colours (including White)
  • Also available mixed to almost ANY BS or RAL colours


Jotun Demidekk® Ultimate Colour Chart

Jotun Demidekk Colour Chart 2017

Most BS and RAL colours are available too… click here to download the full colour chart.

Jotun® Penguin Video

Jotun’s values are highlighted in this short video.



Jotun Demidekk® Ultimate is suitable for use on all exterior joinery including: new woodwork, pressure-impregnated (Tanalised) timber, and previously painted woodwork. Available in 1L, 3L and 10L tins.

Demidekk Colours: Letthet (NEW), White, Egg White (NEW), Mist (NEW), Timeless (NEW), Antikkhvit (NEW), Fyn (NEW), Perlegra (NEW), Sanddyne (NEW), Demigul (NEW), Skagengul (NEW), Demi White (NEW), Lys Gra Umbra (NEW), Svolvaer (NEW), Gra Skifer (NEW), Varmgra (NEW), Kjonnrok Dempt (NEW), Balanese (NEW), Gronn Empire (NEW), Grabla (NEW), Contour (NEW), Laverod (NEW), Vestlandsrod (NEW), Venetian Red (NEW), Labrador (NEW), Herrgardsgronn (NEW), Front (NEW), Berg (NEW), Nut (NEW), Green Umber (NEW), Brown Black (NEW), Fountains, Hardwick, Old Cream, Travertina, Ochre Cream, Twine, Portland Stone, Swedish Grey, Pale Lichen, Sage Silk, Summerhouse, Ground Pink, Plaster, Old Fresco, Pale Pearl, Delft, Bell Blue, Old Ochre, Earthy Ground, Tudor Terracotta, Wainscots, Drum Red, Cedar Earth, Belverdere Blue, Bothy Green, and Blackened Black.

Most BS and RAL colours are available too… click here to download the full colour chart.

Coverage: 1 Litre will cover 10-12m² (smooth wood) or 7-10m² (sawn wood) per coat.
ApplicationBrush, Roller or Airless Sprayer.
Drying Time: 2hrs (touch dry), can be re-coated after 8hrs. Times based upon +23 °C, but dependent on temperature and humidity this can be less.
Life Expectancy: Up to 12 years, when applied in accordance with manufacturers guidance.

Jotun Demidekk® Ultimate Safety Datasheet
Jotun Demidekk® Ultimate Technical Datasheet



Jotun Demidekk® Ultimate will be boxed and delivered to your door within 3-5 working days. There is a £9.99 delivery charge to most of the UK mainland, however remote and offshore areas will be subject to a surcharge. Please call before ordering.

Note: This paint/preservative is ordered & mixed specially for our customers, therefore we are unable to accept returns under any circumstances. Please ensure that you order the correct colour and appropriate quantity for your requirements. 


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