10 Best Wood Preserver Reviews - The Top Rated Models In 20​20

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Rotting, fading, temperature changes, attacks from insects, and alternating weather are some of the things wood puts up with.

Luckily, you don’t have to watch helplessly as your wooden products and finishes deteriorate. We give you a rundown of the best wood preserver to protect and keep your wood looking tip top.

Best Wood Preserver Reviews

Wood Preserver Quick Comparison Chart

Editors Choice
5L Wood Preserver By Cuprinol
Colour Clear
Material Wood
Capacity 5 litres
5 L Wood Protective Treatment By Nourish & Protect
Colour Dark brown
Material Wood
Capacity 5 litres
Wood Protection Liquid By Roxil
Colour Clear
Material Silicon
Capacity 5 litres
Total Wood Preserver By Ronseal
Colour Clear
Material Wood
Capacity 5 litres
Clear Total Wood Preserver By Ronseal
Colour Clear
Material Ronseal
Capacity 5 litres

Top 10 Best Wood Preservers In 2020 Reviewed

The best wood preserver is the 5 litre Wood Preserver By Cuprinol. We gave it a 5/5 star rating.

Are you looking for a wood preserver that you can use both for inside and outside wood? We recommend you to turn to this Cuprinol wood preserver that is suitable for both exterior and interior use. Cuprinol is a timbercare company that produces reliable preservers that enable superb protection all year round, and is one of the most popular brands. This clear wood preserver has deep penetration protection that soaks into the woodwork to protect it from within. It penetrates then dries on the surface grain of the timber to get a tough, durable, and weather resistant exterior. It works by protecting wood against stains, decay, mould and staining fungus.

The selling point of this woodwork preserver is that it is very simple to apply and maintain. This means that when the exterior wood starts to wear out, you just re-apply a fresh coat without having to strip the woodwork back or removing the old finish. It is designed with low aromatic solvents that enable it to have low odor that is pleasant and convenient to use.

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5L Wood Preserver By Cuprinol
  • It is simple to apply
  • It can be used both on the inside and outside wooden surfaces
  • It conserves the wood
  • It is one of the more expensive options available

The second best place goes to the 5 Litre Wood Protective Treatment By Nourish & Protect. We gave it a 5/5 star rating.

Barrettine Protective Wood care is a solvent wood preserver ideal for use on rough sawn or smooth planed timber. We recommend this shed sealant because it contains water repellent resins and a biocide film to protect against mould and algae growth.

In addition, it helps reduce decay, swelling and twisting of wood. The pigments are good for UV fade resistance and will prevent any possible UV damage. It is a garden shed care that is also the best for use on, but not limited to fences, trellis, pergola, patio log cabins, timber gazebos, garden sheds, wood bar carts, window frames or even on doors.

Since it is an oil/spirit wood preserver, it penetrates deeper into the woodwork to leave a transparent/translucent finish where the texture of the grain is visible.

To apply, you can use a brush or a traditional pump spray. You should also wash your hands immediately after use.

5 L Wood Protective Treatment By Nourish & Protect
  • It has UV fade resistant pigments
  • It deeply penetrates wood to enable beautiful finishes
  • It is waterproof
  • It applies easily
  • It is low odor
  • It is harmless to plants and pets when dry
  • It is not rub-resistant

The third best place goes to the Wood Protection Liquid By Roxil. We gave it a 4.5/5 star rating.

If you are in search for the best wood preservative to keep your woodwork in a good condition, the Roxil Wood Protection Liquid is the ideal choice. It is a wood preservative liquid that is water-repellent to protect vulnerable absorbent woodwork like softwood (spruce, pine) and weathered timbers (cedar tree or oak wood). It is required to use a brush or a spray to apply this protector. No visible changes can be seen but the exterior wood will remain waterproof. This keeps moisture out and maintain cleanliness of the woodwork while reducing the rate of discoloration. In addition to protection, algae and mould growth is completely eliminated.

To apply this excellent protection, we recommend you to ensure the area is clean, dry and stain free for a swift job. Before application, you should shake thoroughly for effortless job. Most products require the first coating to finish it's drying time before adding another, this preservative is best applied on a wet coat. With a single 2 coat application, you get a minimum of 10 years of protection on your wooden doorstep with the Roxil Wood Protection Liquid.

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Wood Protection Liquid By Roxil
  • It conserves wood and maintains its appearance
  • It prevents the wood from warping
  • It guards against wood stain, mould and algae growth
  • It applies easily
  • It offers 10+ effective lifetime
  • It gives a non-smooth finish

Fourth place goes to the Total Wood Preserver By Ronseal. We gave it a 4.5/5 star rating.

Ronseal total wood preserver is specially formulated to kill woodworm and prevent decomposition and deterioration. Designed by one of the best brands for use on both non-smooth and smooth timber, it is the best wood preserver to get. Ideally, it can be used as a pre-treatment for untreated interior and exterior wood and it is suitable for over-painting. While coloured preservers for outdoors give colour and weatherproofing protection, this excellent clear wood preservative is key to indoor woodwork conservation.

Before treating the woodwork, ensure that the surface is clean, dry and stain free from previous paint coatings, varnish or stains. We recommend you to remove the badly damaged untreated woodwork and replace with a tanalised one.

As you prepare to paint, shake well before use. You can use the standard brush or dipping method of application for complete penetration. And since it is also sprayable, you can use a coarse spray while avoiding misting. To get reliable conservation, 2 coat application is recommended.

Total Wood Preserver By Ronseal
  • It kills worms in the timbers
  • It prevents decomposition and deterioration
  • It is suitable for overpainting
  • It doesn’t weatherproof the treated timbers

Fifth place goes to the Clear Total Wood Preserver By Ronseal. We gave it a 4.5/5 star rating.

This total wood preserver from Ronseal works by preventing decomposition, deterioration and wood discoloring fungus in timber. It is ideal for use on woodwork not to waterproof it but to preserve it. Also, if your woodwork is prone to attacks from woodworm all the time, this Ronseal total offers the best protection against woodworm infestation on rough sawn or flat planed wood. Unlike the modern decking oil or wax that works by waterproofing the exterior, this exterior wood preservative doesn’t waterproof but is key to external woodwork preservation.

Before you begin to apply, you should first be able to recognize decomposition and insect attack on the timbers. Dry decomposition appears as white, fluffy, cotton wool growths, whereas wet rotting causes a once bright wood to darken. When you see small size flight holes on the exterior wood, then there is an insect attack. To use the protector, you should thoroughly shake it to remove the hard texture and then use a brush, spray or dip to apply it. Dipping is recommended for end grains to ensure maximum absorption. For better results, we recommend you to apply more than one coat by giving a one day interval between the coats. When repairing or gluing, wait until the surface has finished it's drying time.

Clear Total Wood Preserver By Ronseal
  • Prevents decomposition and deterioration and discoloring elements
  • It protects the treated woodwork against woodworm attack and infestation
  • Preserves exterior wood
  • It spreads with ease
  • It requires more coats application which reduces coverage

Sixth place goes to the Lumberjack Triple Action Wood Treatment By Everbuild. We gave it a 4.5/5 star rating.

Everbuild Triple Action Wood Treatment will treat and seal your woodwork for better preservation. To protect and preserve wood, it contains numerous elements to achieve this.

First off, it is a solvent based, low odor solution that uses micro-fine active technology (with fungicides, algaecide and permethrin) to actively kill and protect against rot, deterioration, mucus and wood boring insects.

It is effortless to spread this Everbuild Triple action woodwork preservative paint. Also, the drying time is short for great convenience. Unlike most paints, it is nonflammable. You can apply it on wet hardwood and performance will not be compromised.

In addition, it penetrates deeply in all woodwork and joinery to enable long time lasting protection from all potential damages.

Lumberjack Triple Action Wood Treatment By Everbuild
  • It penetrates deeply for maximum protection
  • It is low on odor to be used around plants and animals
  • It is effortless to spread even on wet hardwood
  • It has fast drying properties
  • It is very watery meaning it spills to cause a mess on the floor

Seventh place goes to the Wood Preserver By Everbuild. We gave it a 4.5/5 star rating.

Everbuild wood preserver will drive out all fungi and algae on your wood.

This is because it is a low solvent solution which is key for utilisation of micro-fine technology with added fungicides and algaecides to kill the microorganisms.

The formulations used will penetrate deeply into the woodwork and disperse finely to provide high-quality effectiveness.

To add to it, it contains ultra light pigments to give a uniform and fade-resistant finish for durability. You can use this garden shed preservative on wet hardwood as well because it dries fast.

Wood Preserver By Everbuild
  • It protects the treated wood from damage caused by rot, deterioration and mucus
  • It dries fast
  • It keeps the exterior wood fade-free with ultra light pigments
  • It does not change the water resistance of the surface

Eighth place goes to the Wet Rot Wood Hardener By Ronseal. We gave it a 4.5/5 star rating.

Are you living in an area where the wood on your fencing becomes weak often?

The Ronseal Wood Hardener is a great solution.

It works by penetrating deeply into the wood to bind and harden the already decaying wood to make wood filling easy on the solid base.

This preservative is simple to use and apply as it comes at a standard ergonomic design.

Wet Rot Wood Hardener By Ronseal
  • It toughens the wood
  • Happy customers say it is easy to apply
  • It is affordable
  • It produces odors when applying

Ninth place goes to the Complete Wood Care By Cuprinol. We gave it a 4/5 star rating.

If you want the perfect solution for eradicating two main enemies of timber (rot and insects), turn to this Cuprinol 5star.

It is a clear wood sealer which contains a formula that kills both dry and wet rot, fungus and also wood boring larvae. When applied, it penetrates deeper to ensure effective care and long lasting protection against possible attack in the future.

With a low odor formula, it is the best fence care to work with on most days. This Cuprinol garden shed and fence protector is very easy to apply and leaves a beautiful finish.

Complete Wood Treatment By Cuprinol
  • It kills, woodworm, dry and wet decomposition and prevent re-infestation of woodworm
  • It has a low odor formula
  • It penetrates deeper for a long time lasting protection
  • Some consumers say it comes at a higher price compared to similar products in the same range list

Tenth place goes to the 1 litre Clear Wood Preserver By Everbuild. We gave it a 4/5 star rating.

If you are in search for the best wood preservative that comes at a cheaper price, then this Everbuild wood preserver should be the perfect choice.

It is made to prevent rot and deterioration and also kill fungus and algae on your woodwork.

Wood preservative in colours offer the same protection as this clear one but they cannot be over coated.

1L Clear Wood Preserver By Everbuild
  • It dries fast
  • It provides long time lasting protection against decomposition and deterioration
  • It is harmless to plants and pets
  • It is watery to cause a mess during application

A Guide To Wood Preserver

Wood, especially when placed in the outdoors, is susceptible to weather and insect damage. It makes it lose its appeal. Besides using decking oil, applying shed paint on your garden shed and investing in good fence paint, use a wood preserver.

Applying a wood preserver on your wooden surfaces will prevent the growth of moulds and algae. It will repel insects and provide a layer of protection against damage by the sun and rain. But you need a quality wood preserver, and we will be happy to guide you through making the best choice.

What You Need To Know

Before buying a wood preservative you need to know that there are preservatives to use on different surfaces.

Therefore, to ensure you get the right performance on outdoor wood preservatives, it is required to use them where they are intended. A wax or oil based wood preservative is one that formulated with solvents like wax or boiled linseed wood oil and mineral spirits to be used mostly on exterior wood.

This type produces odor and it creates a wax or oily finish and either changes the color of the wood or affect Paint-ability. Solvents in a wood oil or wax based garden shed treatments are responsible for preventing all types of cracks, swelling and separation at the grains. They are best used on above floor wood like roof or sill plates, garden sheds and fences. Wickes creocote or Creosote substitute is an example.

Wood Preserver Buying Guide

Water based preservatives are suspended in water with small amounts of chemicals added to deeply penetrate in the woodwork. These work from the inside to kill woodworm, mucus, and algae and resist leaching after treatment. They are taylor made for use on ground woodwork. The water-based are safe to use around plants and pets and they do not produce odor. Depending on your project, you can choose between the two.

There are some preservatives that provide a waterproof finish and others that don’t. A sealer with waterproof properties prevent wood from rotting and decaying. Thompsons is a wood preservative brand that produces waterproofing sealers. However, the preservative that doesn’t waterproof the area provides protection from inside like eradicating all types of woodworm, fungi and algae. Sadolin outdoor wood preserver is the perfect example.

Clear or colored wood preservative? A clear wood preserver penetrates deep in the wood to highlight the wood grains and protect against UV rays that causes the wood to discolor. It also has properties that repel water to prevent the wood from rotting and decaying. Clear wood preservers allow for over coating.

Wood preservatives colours on the other hand, don’t have the same protection as the clear preservatives, on most days. This is because they lack properties to repel water and resist fungus growth. They just enhance the natural beauty of the timber during summer. You can either get them in shades of green, brown and red.

Another factor to consider when buying wood preservatives is the cost. There are those that come at a very high price and others are cheap. The high-end wood preservatives give great performance and long time lasting effects.

Medium priced are most affordable and they also give reliable wood preservation. Cheaper preservatives will only serve the purpose for a short time. You will need to treat the wood more often when you buy these.

Wood Preserver Buying Guide

Wood Preserver FAQs

Q: What is pressure treating in wood?

A: It is a process used in preserving wood using chemicals that enables it to eradicate wood boring insects, microorganisms and fungal deterioration. This process works on softwood.

Q: Can I smoothen the area before applying wood preservative?

A: Yes you can but is it not really necessary. But if you want a polished finish, lay down the woodwork and use a sander to get smoother results.

Q: What is another alternative for wood?

A: In the society today, you can use uPVC material to build any kind of building, although they are more limited than wood, they don’t require maintenance in terms of preservation. They don’t rot, or get attacked by termites or even swell.

Q: Which treatment is good to use on bird wood burning patterns?

A: On most days decking wood oil or wax treatments are great for protecting wood burning arts.

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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.