Best Decking Oil Reviews UK
The Top Rated Options In 2019

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If you are looking for a review of all the best decking oils in the UK, you have found the right place.

We review all the latest and best decking oils on the market, to give you peace of mind that you will be choosing the right product for your home.

Below, in the table, the decking oil reviews start with the most highly rated first, then descend accordingly. For people who are in a hurry, you can use the table. For people who want a more in-depth review, you can scroll further down the page, where we provide all the pro's and con's for each.

Best Decking Oil Reviews UK

Best Decking Oil Quick Comparison Chart

Editors Choice
Ronseal Ultimate Protection Decking Oil Natural
Ronseal RSLUDON5L Ultimate Protection Decking Oil
Weight 5.46 kg
Volume 5 litres
Colour Natural
Ronseal RSLUDON4LAV Ultimate Protection Decking Oil Natural
Ronseal RSLUDON4LAV Ultimate Protection Decking Oil
Weight 5.6 kg
Volume 5 litres
Colour Clear
Liberon DOCL5L 5L Decking Oil
Liberon DOCL5L 5L Decking Oil
Weight 4.32 kg
Volume 5 litres
Colour Clear
Cuprinol UV Guard Decking Oil
Cuprinol UV Guard Decking Oil
Weight 5.54 kg
Volume 5 litres
Colour Natural oak
Ronseal RSLUDOT5L 5L Ultimate Protection Decking Oil
Ronseal RSLUDOT5L Ultimate Protection Decking Oil
Weight 5.52 kg
Volume 5 litres
Colour Teak

The 10 Best Decking Oils On The Market Reviewed

Are you looking for decking oil that will give your garden that natural look with a longer lasting finish? Turn to this Ronseal Ultimate Protection Decking Oil Natural because it contains a unique formula to penetrate deeper into the wood to bring out better adhesion for long lasting effects all year round. Unlike standard decking oils, this one provides a lightly tinted finish to give double the weather resistance and foot traffic protection. It is water based decking oil that combines the Linseed oil technology to color and waterproof your deck easily. You get a more natural look on your deck and it becomes rainproof in 90 minutes. If you want to re-coat, you can do so after 4 hours.

For you to get better results on untreated grey and weathered decking, you have to use a restorer first to return the natural look of your decking and to provide a sound base for application to ensure the oil penetrates effectively. If you are using this decking treatment on a previously finished decking, first use decking cleaner and reviver to remove dust, grease, oil, mildew, algae and other contaminants. Generally, before you use this deck oil, make sure you have cleaned the surface properly using a scrubbing brush to open the pores of the wood to remove any contaminants. Ensure that the surface is clean for you to get your desired results.

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Best Decking Oil
  • It is durable
  • It provides double the weather resistance and foot traffic protection
  • It give the decking a more natural look
  • It is easy to apply
  • Some people say it takes long to dry up

If you want reliable decking protection results, this Ronseal RSLUDON4LAV Ultimate Protection Decking oil is your perfect solution. It is the best decking treatment that offers more than what the standard oil should. With it, you get a superior, natural looking protection to have longer lasting finish. It works by protecting the wood from weather elements for longer with the unique formula which penetrates deeper into the wood. The lightly tinted finish you get doubles weather resistance and foot traffic protection vs to standard decking oils. It uses the unique water based Linseed oil technology to color and waterproof the deck in one easy step. After applying this clear decking oil, you get your dry and rainproof surface in just 90 minutes. Then wait for four hours before re-coating it.

Use this decking oil clear on pre-treated decking to achieve better results. But if the surface you are intending to use this oil on is weathered and greying, or previously finished, you have to follow simple cleaning steps to get your desired results. You can use a decking restorer and cleaner to restore and revive the deck so that application becomes easy with excellent end results. It truly does what it says on the tin and works just like Manns premier UV decking oil.

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Ronseal RSLUDON4LAV Ultimate Protection Decking Oil Natural
  • It is easy to apply
  • It protects the wooden floor against weather elements
  • It is durable
  • It has a wax-like texture that some people don’t like

Liberon decking oil is an extraordinary decking oil that goes beyond expectations to provide durable results. Not only does it treat or protect the decking, it also feeds the timber to enhance the natural beauty of most types of wooden surface. Wondering what you can do to your weathered and already greying wooden surface?

This decking preservative will reduce your worries and put a smile on your face with the outstanding results. It revives and restores colour to that old deck in your garden and it is the best decking stain UK for use on fences, garden shed, gates, hot tubs etc.

The sun is the main cause of discoloration of timber. And because you have your decking exposed directly to the sun, it is prone to get discoloured with time. This Liberon DOCL5L decking oil contains UV filters that aid in reducing discoloration and fading effects on weathered and greying timber that the sun causes. It does this while maintaining the finish.

Liberon DOCL5L 5L Decking Oil

You can easily apply this oil with decking oil applicator and it will dry after an hour of application. And if you need to recoat, you are required to wait for 12-24 hours to achieve a better finish. One ltr has a coverage of up to 10 square meters.

  • It protects, revives and enhances mots types of timber decking
  • It prevents fading and discoloration of timbers
  • It has a high VOC level that is responsible for the strong odors that are dangerous to living things

Cuprinol UV Guard is a no nonsense decking oil that means business. It stands out among other decking oils in the market. It protects the deck or any other piece of wood from the UV rays by penetrating into the wood to replace natural oils and resins lost through weathering.

If the wood has lost its colour after weathering, this decking sealer contains a tinted formula that revitalizes the colour of the weathered wood. With it, you are sure to protect the surface for a long time.

As it comes in a 5l can, the coverage area is up to 40m2 with two coats applied when you are using a brush or an applicator or with 1 coat using a sprayer. It is worth noting that coverage can vary depending on the oiling method used and the condition and nature of the surface being applied to.

To apply, you should shake the can thoroughly before and frequently during use to prevent the liquid from forming puddles and possible solidification. Brush on evenly along the grain.

After application, the surface takes about 6 hours to dry. Also, the drying times vary depending on the nature of the surface and the weather conditions.

Cuprinol UV Guard Decking Oil
  • It nourishes the wood while protecting it against the harsh weather elements
  • It has a beautiful lightly tinted finish
  • It covers well and is easy to apply using a brush or Cuprinol sprayer
  • More decking oil is required to fully cover on softwood

Use this Ronseal Ultimate Protection Decking Oil to get a superior, natural looking protection and a longer lasting finish. It combines a unique formula that penetrates deeper into the wood for durability. Compared to standard decking oil, this Ronseal RSLUDOT5L provides a lightly tinted finish to give double the weather resistance and foot traffic protection. The unique water-based Linseed technology utilized colours and waterproofs deck in one easy step. After application, it only takes 90 minutes for you to get a rainproof and a more natural looking surface. Recoating can take place after four hours of the previous application.

Before using this decking oil on untreated and weather decking, use Ronseal decking restorer to get the actual colour and provide a sound base for application. This ensures effective oil penetration.

If you are using this oil on previously finished decking, use the Ronseal cleaner and reviver to eliminate any dust, grease, oil, mildew, algae, etc. Make sure that cut ends are well protected with Ronseal decking end grain preserver. The final colour may be influenced by the texture, grain, colour, and porosity, type of wood used and previous treatments. This deck oil is best used on tanalised timber (like on Wickes flooring or boards).

Ronseal RSLUDOT5L 5L Ultimate Protection Decking Oil
  • It revives weathered wood
  • It protects the timber
  • It comes in beautiful decking oil colours
  • It is sprayable and easy to apply
  • It is water resistant in 90 minutes
  • It provides long lasting finishes
  • It peels with time to leave a scrappy appearance

Ronseal Decking Oil Natural is a non-slip decking paint that can be used on both softwood and hardwood as a preservative. If you have a decking that is prone to getting mould and algae growth, then this is the right oil to use because when applied, it resists mould and algae growth.

It has a fade resistant finish that protects the timber against UV rays. In addition, it is durable scuff resistant tinted oil that forms a rainproof coating to protect the timber against weathering, swelling, drying and splitting. You can apply this deck oil using a brush and has a drying time of 2 hours. To get the perfect finish, two coats are required to produce a semi-translucent matt finish. Coverage varies depending on the absorbency of the timber and profile of the deck. It comes in a tin with a re-sealable lid and handle for easy pouring.

Ronseal Decking Oil Natural 5 Litre RSLDOCL5L
  • It is fade-resistant to protect against UV rays
  • It dries quickly
  • It is easy to apply
  • It can be used on both softwood and hardwood surface
  • It is smelly when wet
  • It comes at a high price

Treating decking is the best way to protect the timber for durability and maintain the good looks in your home. Therefore, it is good to know how to treat decking for it to serve you longer. Ronseal DPN5L Decking Protector is a good choice to provide protection against the timber. When moisture gets inside wood, it softens it thus causing it to weather with time and a weathered wood is the perfect place for algae and mould to build up. The decking will begin to rot and become unpleasant. Using this decking protector, you will prevent moisture penetration to the wood. In addition, this decking oil or stain resists mold and algae, therefore providing you with a beautiful decking that you can relax on during summer periods. Also, it revives the wood and protects it from sun damage to prevent greying.

Applying this decking stain or oil is very easy when using a paint brush, roller or a low pressure sprayer. It is also easy to clean the brush after you are done painting on the decking. Apply two coats to get maximum decking protection. It gets dry after 90 minutes of application and the wood becomes waterproof to stop splitting and swelling. This dries to a beautiful translucent finish. 

Ronseal DPN5L Decking Protector

The best part about this product is that it has a massive area coverage meaning, you will save a lot with this decking protector. Use this on ridged or smooth hardwood (like Balau decking) and softwood and it is compatible with new or recently restored decking because it is porous enough to allow penetration.

  • It prevents moisture penetration in the wood
  • It resists mould and algae growth
  • It protects from sun damage to prevent greying
  • It is easy to apply
  • You need more than one coat in application

It may not seem like a bother to you when your decking gets damaged during the winter seasons because you are most of the times indoors. But what you should know is that when the timber on the decking is completely damaged, it becomes useless and you will incur extra costs to construct another one. Everbuild LJUN05 Lumberjack Triple Action Wood Treatment is here to the rescue as it not only provides care for your wood, it also preserves it. The reason why this is the best decking preserver is found on what it says on the can. It is a low solvent and low odor solution that uses the micro-fine active technology with fungicides, algaecides and permethrin. These actively kill and protect against wet and dry wood rot, decay, fungi and wood boring insects/larvae.

When applied on the decking, the fungicides and algaecides present are finely distributed in to the wood to allow easy penetration of the decking treatment. Consequently, you get high quality effectiveness on the wood that you can’t get from standard wood preservation products. This triple action wood treatment dries fast on the wood and it is non-flammable.

Everbuild LJUN05 5Ltr Lumberjack Triple Action Wood Treatment

It can easily be used on wet timber as this doesn’t compromise performance. Because it is designed to penetrate deeply into all types of wood and joinery, you get long lasting protection on whichever wood you use it on. It is in the same category as Barrettine decking oil providing all-in-one formula.

  • It offers all wood protection
  • It is easy to use
  • It doesn’t have a strong smell
  • It is watery which can cause a mess

Cuprinol has been in the market for over 75 years and is leading in the production of the best wood care products. The Cuprinol 2.5L Decking Oil and Protector is everything you need on all types of garden decking to protect it. It uses the clear formulation to provide protection against weather effects that damages wood as well as decorating ad protecting the wood with the natural wood shade colour. You never go wrong when you choose this decking oil and protector because it has a wax enriched formula that penetrates deep into the wood to increase water repellency. In addition, it helps prevent cracking and splitting of the wood caused by natural and manmade occurrences.

The presence of biocides in this deck oil protect the decking against mould, fungi and green algae growth that becomes very unpleasant to look at. By applying it on the wood, you will not see any fungi buildup on the wood no matter how damp the weather gets.

 Cuprinol 2.5L Decking Oil and Protector

There is also a preservative formulation that is responsible for the long lasting protection against all types of rot and decay. It is easy to apply this product on your decking and it will take a very short time to dry up.

  • It provides protection to all types of garden decking
  • It is water-resistant
  • It provides protection against the effects of weather
  • It has biocides to protect the wood against mould and fungi growth
  • It is easy to apply
  • It is too waxy which increases the drying time

Most surfaces require non slip decking paint to reduce chances of one slipping and falling and so is the decking surface. This Osmo decking oil is anti-slip decking oil that is highly recommended for use on wooden decking to produce a slip resistant and safer decking surface.

This decking anti slip provides protection against mould, algae and fungal buildup which in turn increases the durability of the surface. It produces a satin finish that is extremely water resistant and dirt repellent to give it a great look all year round. The use of natural vegetable oils provides a microporous finish to allow the wood to breathe and it also helps to regulate the moisture content to reduce swelling and shrinkage. In the end, the finish doesn’t crack, flake, peel or blister.

For you to get the best stand-alone finish, apply 2 coats on the surface with this non slip decking oil. It is easy to apply this anti-slip oil using a brush. With just a litre of this Osmo oil, you get coverage of approximately 24 square meters.

Osmo Decking Oil Anti-Slip-Clear

Apply this after a pigmented/sealer (Black or dark) finish because when you apply on a clear treatment, the wood will start to grey naturally over time.Rustins textured and Barrettine are decking oils in the same category that exhibit these nonslip features.

  • It provides a slip-resistant surface
  • It prevents the decking against algae and fungal decay
  • It is water and dirt resistant
  • It reduces wood swelling and shrinkage
  • It has a long drying time


A well-treated decking is durable, easy to clean and increase the beauty of your home as well as the property value. Decking provides the perfect place where you go to relax or entertain your loved ones during the hot summer periods. Knowing this, it is a good thing to keep the decking well maintained to achieve long lasting usage. Decking oil provides a semi-transparent matt finish that enhances the wood’s natural color. It also offers nourishment and protection against weather elements that attack the timber. In addition, deck oil offers UV, moisture and mould-resistance protection that allows your deck to be in an excellent condition for long. With that said, Ronseal Decking Oil RSLDOCL5L is the best decking oil UK and is our top pick on this review because it offers better UV protection as well as keeping the wood looking great for a long period of time. A though it is not the cheapest on this review, it surely is the best to get and use (even as varnish on your furniture).

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Decking Oil Buying Guide

The first thing you need to consider before you get decking oil is the durability. Since the decking is meant to be exposed to the outdoor environment, the decking oil should offer long lasting effects to reduce the maintenance cost. The sun and water can beat down on the deck, snow can pile up and also dirt and mildew spores can settle on the surface during the winter seasons.

These factors will affect the durability of the decking oil depending on the quality. If you get cheap, poor quality decking oil, with time, it will begin to fade, crack and cause mildew buildup. Only the best will last long regardless of the conditions they are exposed to and some also fend off dirt. Reviews from people who have used the product will help.

Decking Oil Buying Guide

Protection properties also matter when choosing decking oil. The main purpose of decking oil is to provide protection of the wood against harsh environmental conditions. Well-Known decking oil brands like Ronseal, Cuprinol,Ipe, Holzol andDiall ensure that the oils they produce contain formulations that protect the wood against UV rays, mould and algae growth and become water and dirt resistant. Decking oils with a clear finish provide basic protection and allow the wood to turn grey naturally without splitting, warping, cupping or cracking. The semi-transparent deck oils are advanced to protect the wood against sun damage better than clear decking stain.

How safe is the decking oil when in use is also a factor to consider because you don’t want the decking oil to affect your health or that of the pets and the people around you. The decking oil you get should meet environmental standards that call for lower volatile organic compounds. Products that have high VOCs are linked to pollution, smog and respiratory problems that can lead to headaches and dizziness. Go for the brand that produces deck oils or deck sealant with a lower VOC value.

The type of wood will determine whether you use the decking oil or not. There are some decking oils that can be used on both softwood and hardwood whereas others are best used on hardwood flooring. Since decking oil is designed to protect timber without necessarily changing its look, it will do best on hardwood surface to retain a natural tan.

There is also the clear decking oil that retains the natural colour of your cupboard, or outdoor furniture and the color tinted oil that adds character and gives the wood a specific look. Depending on your project and preference, you can choose which chart will work best for you.

Ronseal Ultimate Protection Decking Oil Natural

Decking Oil Buying FAQs

Q: What is best decking oil, stain?

A: There is no much difference between a stain and oil. They both build a plastic-like layer over the deck surface that will seal and protect the timbers from weathering and foot traffic. However, a deck stain will improve the appearance of the deck by changing the color of the timber, whereas a deck oil will just enhance the current color of the wood. Decking oil is best used if you want to leave the natural color of the wood as it is.

Q: What is the difference between decking oil decking protector?

A: There is no difference between the two. Decking oil acts as a protector of the timber from different weather elements and against foot traffic and natural environmental elements.

About the Author Harry Thompson

Hi, I'm the founding guy of Product Spy. Highly experienced in home and garden appliances through years of online research. I want to help everyone in the UK by streamlining their research when buying a new product. I will be putting the hours in researching to find the best products so you don't have to.