Osmo Wood Protector (4006)

  4.8/5.0   95 reviews

You'll need enter area above for 1 coat (Recommended)

Wood type and application can vary coverage

  • A wood impregnation treatment free from biocides and preservatives
  • Well suited for coating wood that is susceptible to blue stain (e.g. Pine)
  • Ideal for high moisture areas (i.e. bathrooms)
  • Requires Osmo oil-based finish for top coat protection
  • Extremely water repellent
  • Natural oils enhance the natural tone of wood (permanent wet effect)
  • Safe for humans, animals and plants once dry
Brand Osmo
No. of coats 1
Coverage Up to 8 per litre
Drying time 24 hrs
Size 125ml, 750ml, 2.5L
MPN 4006A, 4006C, 4006D
GTIN 4006850105748, 4006850843176, 4006850843220

Osmo Wood Protector (4006) is suitable for any interior wood particularly susceptible to blue stain (e.g. Pine), e.g. wooden flooring, window frames and wood in baths. Also suitable for exterior wood, for which an absolutely ecological, non-biocidal impregnation is desired.

This product is compatible with all commonly used glues and putties with the exception of products containing Silicon.

Please be advised that 125ml tins are printed in German only. For application instructions refer to the Application section below.

Wood surface must be clean, dry and frost-free (moisture content max. 18%).

New Wood

  1. New smooth or freshly sanded wood can be degreased with white spirit if required

Old Wood

  1. Old paints and lacquers must be completely removed
  2. Remove any surface traces of mould, algae or moss with a scraper or stiff brush
  3. Treat areas affected by mould, algae and moss with a suitable mould and mildew cleaner
  4. Clean old microporous (oiled) finishes thoroughly by lightly sanding and wiping down with white spirit
  5. Fill small cracks, larger joints or holes with a suitable wood filler

Always do a small test area before starting any project and follow the manufacturer's instructions on the tin at all times. Stir thoroughly before use and periodically during application. If possible, apply the first coat to all sides of the wood before installation to offer the best all-round protection.

  1. Apply Osmo Wood Protector thinly and evenly along the wood grain with a brush, microfibre roller or lint-free cloth
  2. Apply to all sides of the timber before installation where possible
  3. Allow for good ventilation whilst drying

Osmo Wood Protector is designed as a pre-treatment before the application of an Osmo interior finish or Osmo exterior finish. Any top coat (except One Coat Only or Fence and Garden Stain) should be applied within one week of using Osmo Wood Protector (4006).

Please note: Water based stains and other water based products cannot be used on top of this product.

95 customer reviews
So far so good by Liz Ch

Used this as a 1st coat on oak worktops around the sink and window areas. Blended in to 1st coat polyx on other areas. Topped with polyx for 2nd and 3rd coats. Used to prevent blue bkack staining which can happen to oak if water penetration. Have to say the way the polyx has finished the surface, theres a totally waterproof finish anyway, so they don't appear to have needed this, but only time will tell....

Reviewed 125ml on: 09/11/17
Great stuff by Jamie Cross

First time using this product, it darkened the oak more than anticipated which may be down to my lack of research however it does give a great colour and protect well as I've already found out!

Reviewed 750ml on: 31/10/17
Just the job for my wooden ceiling airer by Jane B

As always, the Osmo products are brilliant. A little goes a long way so although expensive to buy you get a lot of coverage.

Reviewed 125ml on: 13/10/17
This product is great by Caitlin Robson

Love how easy this is to use. Not a very strong odor and great finish.

Reviewed 750ml on: 19/06/17
Does what it says by Clive

Use this on all my floors not just wet areas. Worth the little extra cost.

Reviewed 2.5L on: 13/06/17
Great base by Andrew S

Easy application; plenty of spare protector as not needed on all doors.

Reviewed 750ml on: 10/05/17
Easy to use by Debra Freechild

Only time will tell if this protects my brand new oak drainer against rot. In combination with Osmo Top Oil my oak drainer should last forever -- I'll let you know how its looking in 10 years.

Reviewed 125ml on: 24/03/17
Nice addition to the range by Pete

Very different from Polyx Oil. Different formulation - presumably better suited to protection. Final finish with Polyx oil on top was excellent.

Reviewed 750ml on: 15/02/17
Very good by Ronnie

Easy to use and clean up afterwards.

Reviewed 125ml on: 02/01/17
Was recommended to me i would recommend to anyone by David Crease

the best... honestly. was recommended to me by a carpenter of 30 years. now having used it i can say it is better than danish oil, or linseed or any other worktop oil you care to try. my builder was also really impressed with it. goes on perfectly. now the wood shows zero signs of marks since using this. excellent.

Reviewed 750ml on: 12/11/16
Does what it says on the tin by Alexander Merry

Used as base coat on bathroom door. Topped with a couple of coats poly oil. No more water marks. Works a treat.

Reviewed 125ml on: 14/08/16
Easy to apply by Gail Taylor

Sealed the new wood easily and well

Reviewed 750ml on: 15/07/16
Very thin by Maggie Vaughan-Morgan

Best to put on with a cloth I used a brush took 3/4 days to dry

Reviewed 750ml on: 15/07/16
Great product and easy to apply by Mr S Adams

I hadn't used anything like before so it was slightly daunting, I needn't have worried, it was extremely easy to apply,

Reviewed 750ml on: 01/07/16
Easy to apply and so far seems to be doing its job by Sue Hilton

We were renovating our 15 year-old oak butchers block kitchen worktops which were looking very patchy. The area around the taps behind the kitchen sink had gone black owing to the amount of water which had splashed on to it and then soaked in over the years. Having sanded it all down that area still looked slightly darker than the rest but applied 2 coats of the wood protector hoping that it would stop any further damage. We then applied 2 coats of Osmo Top Oil 3058 which enhanced the worktop without making it too dark or orangey. The area behind the sink still gets splashed but the water just stays on the top and can be wiped off so not penetrating the wood. Really pleased with the result.

Reviewed 125ml on: 17/03/16
Easy to apply by MALCOLM OBRIEN

First time I've used this product...easy to apply ...seems like another product I'll be using from Osmo

Reviewed 125ml on: 19/02/16
It protects wood :-) by Char

Applied to one side of the bathroom door. Only been on 3 weeks so difficult to say if it will protect oak veneered door. Applied osmo wood oil over the top of this after 72 hours, slight darkening of wood noted than wood oil alone. Overall a positive experience, and great to get a tiny tin because that's all was needed! Great service from wood finishes direct.

Reviewed 125ml on: 18/02/16
This stuff really does repel water by Jason Wade

I had the Osmo protector and Osmo oil. It came when they said it would and was very well packaged. Since using it on our solid oak bathroom floor it looks amazing and was easy to apply. I would definitely use Wood Finishes Direct and Osma products again.

Reviewed 750ml on: 05/01/16
Easy to apply, does what it says on the tin! by Tom Harding

Very thin and goes a long way but once cured repelled water into beads. Used Osmo Door oil for 2nd coat - came out perfect - good rich grain!

Reviewed 750ml on: 04/01/16
Easy to apply, seems to enhance grain, assume it does what it says! by Ian Baldwin

I've always used this whether on floors, work surfaces, doors or anything else. It's very thin so soaks into the wood (read the instructions on the side, which say apply generously, not those on the lid which say apply sparingly). I'm sure it helps give a more durable surface and, but this may just be my perception, I think it brings out the grain better than the polyx oil alone. Only downside is that you cannot put the next coat on for 24 hours, although it is usually dry enough to walk on within 12.

Reviewed 2.5L on: 17/12/15