Ronseal Decking Oil

  4.9/5.0   1568 reviews

You'll need enter area above for 2 coats (Recommended)

Wood type and application can vary coverage

  • A solvent-based, tinted decking oil suitable for bare, pressure treated or preserved decking boards
  • High-build offers good year round performance
  • Excellent water repellency, beads rain thereby stopping water ingress
  • Helps to prevent mould, mildew and funghi growth
  • Oil ingredients help feed the decking to reduce warping, swelling, drying and splitting
  • Contains UV filters to protect against sun damage
  • Enhances the natural grain of the timber
  • Solvent-based formulation for deep penetration
Brand Ronseal
No. of coats 2
Coverage Up to 10 per litre
Drying time hrs
Size 2.5L, 5L
MPN 34770, 34771, 34773, 34774, 35190, 35803, 35804, 35805
GTIN 5010214826964, 5010214844579, 5010214844562, 5010214844586, 5010214867479, 5010214867486, 5010214867509, 5010214858057

Ronseal Decking Oil will leave softwood and hardwood decking protected and looking great for longer with a natural colour tinted or clear decking oil finish.

  • Have grooved decking? You'll normally need double the quantity. Our handy coverage calculator will help you choose the right amount
  • Looking for an anti-slip finish? Apply one coat of Ronseal Decking Oil then overcoat with one coat of Osmo Anti Slip Decking Oil

Decked areas to be treated should be clean, dry and free from traces of dust, dirt, oil, grease, wax and silicone.

New Decking Preparation

For all bare wood decking including tanalised, pressure treated and preservative impregnated decking timbers.

New softwood decking

  1. Treat new softwood decking for the best protection
  2. If possible, preserve all sides including end grain with Ronseal Total Wood Preservative prior to installation
  3. Sweep the decking with a stiff broom to remove all traces of surface dirt and debris
  4. Use a suitable decking cleaner if required before oiling

New hardwood decking

Hardwood decking usually requires a period of weathering to allow the surface grain to open up. This allows for better absorption of the decking oil. Check the decking manufacturer's guidance on how long their wood deck should be left to weather before applying decking oil.

Old Decking Preparation

Old coating type finishes such as decking paints, varnishes and varnish type stains must be fully removed back to bare wood before oiling. Depending on the condition and type of finish, it may require more than one attempt to fully remove the old coating.

  1. Ensure that all 'coating' type finishes have been fully removed to expose bare wood by either jet washing or using a dedicated decking stripper and remover
  2. Clean old decking oil finishes thoroughly with Ronseal High Performance Decking Cleaner Sachets
  3. For garden decking affected by mould, algae or moss, or to restore the colour of decking that has turned grey or silver over time, use Ronseal Garden Cleaner
  4. For the best protection, treat with a suitable exterior wood preservative
  5. If possible, preserve all sides including end grain prior to installation
  6. Sweep the decking with a stiff broom to remove all traces of surface dirt and debris before oiling

Always do a test area before starting any project to check suitability and compatibility. Do not apply Ronseal Decking Oil in wet conditions or if rain, frost or snow is likely before the product is dry. Decked areas should be completely dry before application. Follow the manufacturer's instructions on the tin at all times.

  1. Stir thoroughly before and periodically during application
  2. Apply a thin, even film of decking oil with a suitable decking applicator
  3. Work the oil in to the surface of the decking boards
  4. Wipe off any excess oil with a clean lint-free cloth
  5. Allow the first coat to dry in accordance with environmental conditions
  6. Apply a second coat as above
  7. Allow 24 hours to dry completely before heavy use

Two coats of Ronseal Decking Oil is usually sufficient but this may vary depending on the type of decking timber and its absorbency.

Regular Cleaning

To preserve the look and performance of the oiled finish for longer it is recommended that decked areas are swept with a stiff broom on a regular basis. This is to remove loose leaves, dirt and other organic matter that can settle on the wood deck and in the grooves, which can degrade or damage deck finishes and decking timbers over time.

If signs of mould or algae appear, use an appropriate decking cleaner. The condition of wooden decking should be inspected on a regular basis and treated as required.

Deep Cleaning

Scuff marks, stains, grease and other surface contaminates can normally be cleaned with a decking cleaner. Stubborn marks and stains may require a light sanding and a thin application of oil to restore.


High foot traffic areas that start to appear worn or tired, or that are losing the ability to repel water effectively can be easily restored. First clean with a suitable decking cleaner then re-apply a thin coat of Ronseal Decking Oil to the affected area for an invisible repair.

Q. I'm looking for a clear Ronseal Decking Oil, is the 'Natural' option clear?

A. In short yes. The 'natural' version of this product is the Ronseal Clear Decking Oil. The oil has it's own natural colour and will enhance the natural grain and colour of decking when applied. For example, it will draw out the natural warm wood tones of lighter softwood decking and enhance the deeper brown tones of hardwood decking.

1568 customer reviews
Excellent service and price, would definately recommend by Ian Campbell

Used before, just what I need for my patio.

Reviewed 5L, Natural Pine on: 13/02/18
Exactly right by Neil Harrison

Good product, great price only snitch was delivery took longer than stated.Nothing to do with Wood Finishes, Royal Mail had product for 3 days before delivery. Just had to do what I had to do the weekend after.

Reviewed 5L, Natural on: 07/02/18
HAVE used soom to try very good by Trevor Hodson

I have got this for my decking on my caravan I have tried a small test pieces .2 coats very good.

Reviewed 5L, Natural on: 03/02/18
A very good product and does what it says on the tin by Mr George Watters

I would certainly recommend this product to anyone thinking about treating, not only their decking but also garden furniture.

Reviewed 5L, Natural on: 29/12/17
Perfect finish by Mick Bridson

Quick delivery, great price and a fantastic product.

Reviewed 5L, Natural Oak on: 12/12/17
Easy to use , soaks into wood well and protects for a year by Stephen Maidment

Easy to apply and covers well, but finish is a little darker than I would have liked for a clear product.

Reviewed 5L, Natural on: 28/11/17
First time with this colour and it's great by Susan White

Have had the natural before but tried the cedar for my home decking. Great colour and the quality is really good. Would never buy another wood product this is the best there is.

Reviewed 5L, Natural Cedar on: 27/11/17
Excellent product, speedy delivery by Mr Christopher Hunter

Excellent quality product leaving a really nice finish

Reviewed 5L, Natural on: 23/11/17
Great by Joanna

Highly recommend, would use it again, does exactly what it says on the tin, smells badly though.

Reviewed 5L, Natural Oak on: 21/11/17
Easy to apply but too early to assess durability by Peter Harris

Applied with a brush and it covered the area consistent with instructions. Finish looks fine but it is too early to assess durability.

Reviewed 5L, Natural on: 17/11/17
Order was delivered very promptly when promised by Philip Bradley

Used this to protect my new gates with 4 coats for protection and after a few weeks still looks great with rain just running off the surface.

Reviewed 5L, Natural on: 14/11/17
Excellant product by Mr I E Cole

used this oil on old decking after washing down and used a restorer, very pleased with product old decking came up like new , will use again next autumn.

Reviewed 5L, Natural Pine on: 13/11/17
Gives a good quality finish by Sue Buxton

Gives a good quality finish, easy to apply.

Reviewed 5L, Natural on: 13/11/17
Easy to use by Kenneth Mccallum

great product, does what is says on the tin

Reviewed 5L, Natural on: 09/11/17
Only one coat applied so far but looks great! by Jennifer Black

This is a great product and the decking looks like new!

Reviewed 5L, Natural on: 08/11/17
Easy to apply, improved the look of pine cladding and good value by Colin Skinner

Its an effective waterproofing for pine boarding that enhances the colour and grain. It is easy to apply and dries off well and had no lingering odour. The product is good value and covers easily as per the instructions on bare finished timber. Very happy personally.

Reviewed 5L, Natural Pine on: 06/11/17
Very good by Manuel Shuker

Good quality at a reasonable price and fast delivery service.

Reviewed 5L, Natural on: 04/11/17
Good product at a very good price and fast delivery by Edward Haddon

I have a large wood deck outside my house and I oiled it last week with this Ronseal Decking Oil. It goes on easy and quick and is water repellant within 2 hours and you can do a second coat within 6 hours. It has a very slight rose pine tint which brings out the colour of the deck.

Reviewed 5L, Natural on: 03/11/17
Great product fast delivery by J M Middleton

I initially bought this for the new fencing around two properties as many other products I had previously bought needed regular maintenance, however due to it being oil, I feel the wood is being better preserved. I also used this on the decking around the caravan, it's great, and I was really surprised at how non slippy it was in wet conditions outside, well impressed.

Reviewed 5L, Natural Cedar on: 03/11/17
Easy to apply giving a superb finish Brought out the best in my deck by Bernard Parfoot

An excellent product that has restored my weather worn deck. Ducks back water resistant.

Reviewed 5L, Natural on: 02/11/17