Sansin SDF (for Cladding, Fencing & Decking)

Now from £26.41 (inc VAT) £22.01 (ex VAT) per litre Now from £26.41 (inc VAT) £22.01 (ex VAT) per litre

Sansin SDF's specially formulated oils and resins penetrate deep into the wood, providing outstanding weather and UV protection that won't crack, peel, or blister.

Not only does Sansin SDF protect the outside of your wood, but it also protects the inside by allowing the wood to 'breathe' which helps prevent moisture from getting trapped in the wood and causing rot. 

It is UV resistant, water-repellent, low in VOC, and non-flammable with easy soap and water clean-up.

View the Sansin SDF Colour Chart.

Whilst we hold stock of Sansin natural tones, all other finishes are made to order using our specialist mixing equipment, therefore, we can not offer standard delivery times on these products. Made to order finishes will be dispatched within 48 hours. As products are custom mixed to order our standard return policy will not apply.
Please note: Sansin has recently changed the pigments used in some of its formulas. As such, some colour variation may be evident particularly in saturated, ultra-saturated and solid hide colours. Colour charts should be used as a guide only.

Promotional prices apply 1st July - 30th September 2022.

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Sansin SDF (for Cladding, Fencing & Decking)

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At a Glance

  • Colour Chart.
  • Sizes: 125ml sample pot / 946ml / 3.78 litre / 18.9 litre (subject to availability).
  • Suitable for a multitude of applications including cladding, decking and fencing.
  • Penetrating environmentally-friendly one-coat formula.
  • Available in over 120 colour tones inspired by nature.
  • Protects against UV radiation.
  • Enhances durability and moisture control.
  • Environmentally friendly solution.

With just one coat, Sansin SDF provides tough, effective protection for cladding, log homes, decking or fences. SDF's specially formulated oils and resins penetrate deep into the wood, providing outstanding weather and UV protection that won't crack, peel or blister. 

This unique formula provides a rich and attractive coating that offers lasting protection with just one application. 

Thanks to the unique water-borne technology, Sansin SDF can be applied even to wood with a high moisture content - and because SDF is designed to be highly water repellent, it's a natural choice for homes and structures in moisture-rich environments. 

Maintenance cycles can be planned every two to three years on horizontal surfaces, and three to six years on vertical surfaces depending on the number of coats applied. 

Sansin SDF may be used as a penetrating primer coat to Sansin ENS. 

How Long will it Last?

When it comes to wood protection, one question is asked more than any other - when will I need to recoat? 

It's a difficult question to answer, as there are so many factors to take into consideration. The wood species, preparation undertaken, exposure to sunlight, moisture or foot traffic, general cleaning and maintenance and how translucent the finish is, among other issues will all influence the service life of the finish.

Luckily, Sansin invests heavily in research and development, ensuring that the ingredients and processes that go into making Sansin Enviro Stains are of the highest quality to yield exceptional results. 

You can expect Sansin Enviro Stains to provide many years of performance and beauty to your wood applications. Sansin Enviro Stains boast a life expectancy of 3-6 years on vertical surfaces and 2-3 years on horizontal surfaces before a recoat may be necessary. Compare this to the industry standard of 1-2 years, then Sansin truly is the natural choice for protecting your projects for years to come. 

How Does Sansin Create Such Beautiful Colours?

Sansin harnesses the power of nanotechnology to create colour as you've never seen before in wood protection.

By atomising high-quality pigments into nano-particles (less than one-billionth of the metre), Sansin is able to combine the pigments with the protective oils and resins in Sansin Enviro Stains on a molecular level. 

Once applied to the wood substrate they penetrate deeply, pulling the pigmentation down into the wood to provide a long-lasting, vibrant and uniform colour. 

For over 25 years Sansin has pioneered the use of environmentally friendly water-borne wood protection technologies that deliver outstanding performance. With a wide range of wood preparation and protection products, Sansin offers solutions for external and internal applications, designed to enhance the natural beauty of your wood.

Why Choose Sansin?

  • Natural ingredients modified for enhanced performance.
  • Bonds directly with wood rather than forming a film.
  • Forms an integral part of wood's cell structure.
  • Safe for you and the environment.
  • Low odour.
  • Easy to apply and maintain.
  • Long-lasting performance.

The Best of Both Oil and Water

Why choose between an oil or water-based solution when you can have the benefits of both? 

Sansin Enviro Stains combines the two, carrying natural oils and resins deep in the wood's cell structure using water. 

As the water evaporates, Sansin bonds directly with the wood substrate, forming a tough, durable barrier that won't crack, peel or blister.

Wide Range of Choice

Sansin Enviro Stains let the natural personality of your wood sing through. With over 126 colour tones, you can be sure of finding the colour to suit your every project. 

For inspiration, Sansin turned to the everyday miracles of the natural world. 

And should you have a colour in mind that isn't available in our collection, our Precision Coat mixing service lets you bring it to life.


Several companies can claim to be 'green' and friendly to the environment, but Sansin truly lives and breathes their environmental practices, as important now as when Sansin first pioneered the water-based alkyd solution over 25 years ago. 

Natural by design

Sansin's technology is inspired by a thousand-year-old tradition that uses nature's own ingredients - resins and gums from the heartwood of trees - to deliver sustainable protection. 

Low VOC Content

New legislation about Volatile Organic Compound (VOC) content in coatings has forced a wide range of companies to change their formulas to fit within the 152 gram per litre regulations. Caring about the environment from the outset means Sansin's original formulas are as low as 32 grams per litre, meaning it is as safe to use as it always has been. 

No harmful ingredients

Paraffin wax is often used in many water and solvent-based coatings to protect against moisture damage, however, this surface layer can be easily eroded by exposure to UV radiation. In fact, just 5 hours of direct sunlight can reduce water repellency by over 60%* Sansin coatings use no paraffin and contain modified natural oils and resins, impregnated with special UV protectants - so every cell of your wood is protected. 

*Source - Water-based vs. Solvent-based formulations. Wood Science Faculty, U of T/Jan. '02

Focus on responsibility

Sansin strives to minimise waste and ensure responsible handling of waste products. A unique rinse water recycling system allows products of cleaning processes to capture and reuse raw materials otherwise waster. Regular facility improvements and operating initiatives such as the Sansin Second Nature programme focus on energy savings, waste reduction and recycling. 

Second nature

Wood is Sansin's passion and their commitment to protecting it and the environment is paramount. Sansin's vision is to continually improve its products alongside their environmental practices, as part of Sansin's Second Nature programme. Sansin is pursuing initiatives such as using alternative green energy, smart car technology, and smart manufacturing processes, moving closer to the objective of operating a sustainable zero waste production facility.


Save 10% on these prices from 1st July 2022 - 30th September 2022

Size Tone Price per Tin Equivalent Price per Litre
946ml Natural £37.30£44.76 £39.43£47.32
946ml Translucent £37.12£44.54 £39.24£47.09
946ml Saturated £42.80£51.36 £45.24£54.29
946ml Ultra Saturated £47.47£56.96 £50.18£60.22
946ml Solid Hide £41.21£49.45 £43.56£52.27
3.78 litre Natural £99.62£119.54 £26.35£31.63
3.78 litre Translucent £99.02£118.82 £26.20£31.43
3.78 litre Saturated £121.71£146.05 £32.20£38.64
3.78 litre Ultra Saturated £140.38£168.46 £37.14£44.57
3.78 litre Solid Hide £106.71£128.05 £28.23£33.88
18.9 litre Natural £465.09£558.11 £24.61£29.53
18.9 litre Translucent £462.13£554.56 £24.45£29.34
18.9 litre Saturated £575.41£690.49 £30.44£36.53
18.9 litre Ultra Saturated £668.89£802.67 £35.39£42.47
18.9 litre Solid Hide £494.65£593.58 £26.17£31.41

Coverage / Maintenance

  • Number of coats recommended: 2.
  • Drying time (to touch at 20ºC): 4-6 hours.
  • Time to re-coat (between applications at 20ºC): 24 hours.
  • Usage: exterior timber e.g. cladding, decking and fencing.
  • Recommended application: for best results apply to timber with a sawn textured face or sand surface using an orbital sander and 60-80 grit sandpaper.

Please consult the product data sheet for full application instructions.

Approximate Coverage

A 946ml tin will cover approximately 4.65 - 8.13 square metres for a single coat.

A 3.78 litre tin will cover approximately 18.6 - 32.5 square metres for a single coat.

A 18.9 litre drum will cover approximately 93 - 162.5 square metres for a single coat.

Coverage will vary depending on the type of wood, age and surface structure.

Maintenance cycle

3-6 years on vertical surfaces (cladding/fencing).

2-3 years on horizontal surfaces (decking).

How frequently maintenance coats are required will depend on the quality of prior preparation, quality of application and weather exposure levels.

Courier Delivery


Woodcare, fasteners and accessories.


Up to 3 working days.


Sample pot / 946ml and 3.78l products

£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.

18.9l drum

£7.50 (ex VAT) for mainland UK deliveries.

£18.70 (ex VAT) for Northern Ireland.

Other postcode areas - POA.

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

You can view our detailed delivery charges and services here.