Barrettine Premier Universal Preservative

  4.8/5.0   74 reviews

You'll need enter area above for 2 coats (Standard protection)
You'll need enter area above for 3 coats (Best protection)

Wood type and application can vary coverage

  • A clear, wax-free, solvent-based exterior wood preserver
  • Perfect for use on sheds, fences, summerhouses and other exterior wood
  • Allows application of most top coat systems
  • Quality primer resins for excellent adhesion
  • Prevents wood boring insects, wood rotting fungi and blue stain
  • Long lasting protection
  • Harmless to plants and animals when dry
  • Low odour formulation
Brand Barrettine
No. of coats 2-3
Coverage Up to 6 per litre
Drying time 12 hrs
Size 1L, 5L
GTIN 5015861004437, 5015861004451

Barrettine Universal Wood Preservative is the perfect undercoat for most exterior wood projects.

This product does not contain wax which makes it ideal as a pre-treatment for water-based wood finishes, such as Barrettine Country Cottage Shades.

Ensure that wooden surfaces to be treated are clean, dry and free from surface dirt, debris and other surface contaminants.

New Bare Wood

  • If required, new bare timber can be cleaned and de-greased with white spirit prior to application
  • Freshly cut sawn ends should be thoroughly treated with either Universal Wood Preserver, or alternatively Ensele End Grain Preservative

Previously Treated Wood

  • Any surface coatings such as paints, varnishes and stains must be fully removed back to clean, bare wood by sanding or using a suitable product stripper / remover
  • Exterior wood that has been oiled in the last year should be allowed to weather for at least one year or until the wood preservative is able to penetrate through to the timber

Old Untreated Wood

  • Wood that has become decayed should be removed and replaced
  • Cut out and burn all decayed wood at least 45cm beyond the area of damage
  • Brush down the wood with a stiff broom or brush to remove any ingrained surface dirt and debris
  • Traces of mould, algae or fungi must be removed with a stiff brush or scraper
  • Areas that have been affected by mould, algae or fungi should be treated with Barrettine Mould and Mildew Cleaner prior to application
  • Any existing cases of woodworm can be treated with Barrettine Premier Woodworm Killer
  • Fill any gaps or splits in the wood with a suitable wood filler

Always do a small test area to confirm performance and compatibility before starting any project and follow the manufacturer's instructions on the tin at all times.

Protect any surrounding soil, plants or aquatic environments from splashes of Universal Wood Preserver. Ideal application temperature is between 10-30℃. Wood should be frost-free when treated. Shake well prior to use.

  1. Apply Universal Preservative using a synthetic brush designed for solvent-based products
  2. Spread the preserver thinly and evenly, ensuring end grain is thoroughly treated along with cut and drilled areas
  3. Apply 2-3 coats, allowing 6-12 hours drying time between coats

Please Note: Low temperatures, increased humidity and ingredients of some wood species may increase the drying time up to 24 hours.

Cleaning Equipment

After use, paint brushes can be cleaned with Barrettine Brush Cleaner or Barrettine Paint Brush Restorer.

Once fully dry, this product can be over-coated with a suitable wood oil, paint or stain.


Wood treated with Barrettine Universal Wood Preserver can be easily maintained by applying a fresh maintenance coat on a yearly or 2 yearly basis as required.

Please Note: If this product is over-coated with a clear decking oil or other exterior wood oil, it will last for up to 5 years. This is only if the exterior wood oil or decking oil finish is re-applied and maintained on a regular basis as per the guidance on the relevant product.

Q. Is this all I need to protect my summer house?

This product is commonly used on its own on sheds and fences and other exterior items constructed of rough wood, however for a total treatment we would recommend Log Cabin Treatment for added water repellency and weather protection, or Osmo UV Protection Oil Extra to also reduce the likelyhood of your log cabin from greying.

Q. Can I use Barrettine Wood Preservative on a chicken shed and dog kennel?

Barrettine Wood Preservative is perfectly safe to use on any surface that comes into contact with animals when dry. This includes but is not limited to dog kennels, chicken sheds and houses, horse stables and more. It's important to remember that this wood preservation treatment should be over-coated with a suitable exterior oil. Animals should only come into contact with the surface of the wood when both the wood preserver and oil have fully dried.

74 customer reviews
Used on untreated timbers of log cabin by William Coates

Applied three coats on external surfaces, though with hindsight could have done this before building (did floor before assembly). Easy to apply but needs care with brush to avoid drips and splashes, and wear gloves!

Reviewed 5L on: 22/04/18
Easy to apply by Andy Noon

Easy to apply and finished clear as described and able to follow when applying. So seems good but can't really rate a preservative after such a short period. However dispatch and delivery was excellent, less than 24 hours and the quickest I have ever had.

Reviewed 5L on: 15/04/18
Very quick and easy to apply by Mr William Barker

I wanted to preserve the look of a pair of new driveway gates in pine. It was recommended that I use Barrettine Preservative followed by Osmo UV Protection Oil Extra. I applied two coats of each and am delighted with the results.

Reviewed 5L on: 08/04/18
Delivery & application fine by Stephen Day

You just have to believe it works

Reviewed 5L on: 12/12/17
Simple to use great!! by Giles Fairweather

This preservative soaked in..I gave the fence panels three good coats with a spray gun...really good..

Reviewed 5L on: 11/12/17
East to Apply by David M

Appears to perform well. Only time will tell!

Reviewed 5L on: 27/11/17
Very happy with the product by Stuart Toomey

As a preservative i'm sure it will do its job well - time will tell. Used liberally and put two coats on a planned timber shed. Coverage m2 estimates on the tin seemed pretty much spot on. left to dry for 48 hrs before applying the top coat - no issue with putting on a water based wax product on top of this product.

Reviewed 5L on: 23/11/17
Easy to apply by Paul Winrow

quick and easy to apply. No affect on the natural colour of the wood

Reviewed 5L on: 10/11/17
Easy to apply with roller or brush by T Crawley

Applied the three recommended coats as a base using a roller for even distribution then brush to finish. Delighted with finish and how well the top coats took afterwards. Surprised how much penetrated the timber and how quickly it dried enabling three coats to be applied in one day, perfect. The preservative seemed to evaporate from the roller tray so had to be careful with refilling the tray and recapping the can.

Reviewed 5L on: 05/11/17
Good base product by Roger Sellers

Fantastic product, used as a base layer on my chalet shed on new ship lap. A little goes a long way. Would definitely recommend.

Reviewed 5L on: 05/11/17
Easy to apply Only time will tell if it does the job by Huw Marshall

Seems to be excellent. Easy and pain free to apply, didn't need more than suggested amount. Very reasonable price. Await with interest the results

Reviewed 5L on: 30/10/17
All good by Mrs C V Smith

Very easy to use on our new log cabin, can be brushed on or sprayed although doesn't go so far if sprayed. Quick and easy to clean brushes, or leave in water overnight and use again. Smells rather strong, head ache beware! Good value for money, very pleased.

Reviewed 5L on: 28/09/17
Easy to apply, a good product by David R Ray

Used this in conjunction with the Log Cabin Oil, Easy to apply by Brush, Roller or Spray Gun. Time will tell if it all works, first signs show that the rain water is running off. Looking good!

Reviewed 5L on: 21/09/17
Great product , just what we were looking for by Steve Turner

Fantastic product at a very keen price..

Reviewed 1L on: 11/09/17
Excellent stuff - goes a very long way by Steve Batchelor

I used it as a stain and preservative on a set of windows I was making. I had the advice from Wood Finishes Direct and now know it contains a fungicide which will help the life on the windows. Excellent product, goes a very long way and will stay as part of my finishing product range.

Reviewed 5L on: 08/09/17
Ordered by phone,customer service very helpful, and received my order next day by Mr S Palmer

Not had chance to use product as yet but I'm sure it will serve my purposes well.

Reviewed 1L on: 07/09/17
Good product for the job I was doing and arrived promptly by Gary Dale

As I was going to paint the timber after preserving it was good advice I received from the company and this was the best product for the job.

Reviewed 5L on: 17/08/17
Excellent product at a very good price by Mrs Diane Hughes

Great product used on new log cabin. Easy to apply, no harsh strong smell with it. It rained a few days after applying and the rain just ran off it. Would definately use again.

Reviewed 5L on: 10/08/17
Great product by Paul Nayyar

Sprayed my new log cabin with the preservative prior to 2 coats of decking oil. Easy to apply and looks great.

Reviewed 5L on: 08/08/17
Easy to use Goes a long way by Christopher Anniwell

Use this on my new log cabin before final coats. Went on easily, purchased 2 tins and gave my 7mt x 2.25mt cabin 2 good coats inside and out.

Reviewed 5L on: 29/07/17