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Enhance and protect your interior wood surfaces with Treatex Harwax Oil.

Treatex Hardwax Oil Ultra is our next generation Hardwax Oil, designed to enhance and protect the natural beauty of all your interior timber surfaces.


Hardwax Oil Ultra follows the success of our current formulas benefits of being user friendly, easy to apply, and quick drying, whilst improving ease of application and the durability of the finish.

The end result is a hard wearing, attractive finish in any situation including, floors, doors and kitchen worktops that is easy to maintain with our maintenance products and is spot repairable if the surface is damaged.

Treatex Hardwax Oil Ultra is also based on the Treatex formulation of sustainable raw materials such as Bees wax, Carnauba wax, Candilla wax, Linseed oil, Sunflower oil, Jojoba oil. It contains no biocides or preservatives.

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Treatex – Hardwax Oil Ultra


500ml - £16.61

1L £28.47

2.5L £70.47

Comes in Flat Matt, Matt, Satin or Gloss sheen levels


  • Has a warming effect on lighter coloured timbers

  • No sanding required between coats

  • Withstands high temperatures

  • Very durable

  • Easy to maintain with Treatex Wax Polish

  • Spot repairable

  • Slip resistance test BS 7976-2PTV. Suitable for domestic, commercial and wet areas.

  • Complies with regulation DIN 68861-1B: Resistance to spills of water, wine, beer, coffee, tea, fizzy drinks etc

  • Safe for use on children’s toys: DIN EN 71-3

  • Meets with VOC emissions regulations

  • Recommended for those with dust allergies; dirt and dust can be removed easily

  • Contains no biocides, preservatives or carcinogens

  • Slip resistance further increased with the addition of Treatex R12 Anti-Slip additive

  • Easy to apply – buffed, brushed or rolled on

  • Quick drying – usually dry within 3-6 hours

  • Low odour

  • Water resistant

  • Very durable – further strengthened with Treatex hardener

  • Easy to clean with Treatex Floor Care or Treatex Spray on Floor and Surface Clean


Suitable for: Internal use

Recommended timbers: All (dense/oily timbers may require Treatex Thinner). Has a warming effect on some timbers.

Applications: Floors, doors, stairs, worktops, woodturning, skirting, furniture, instruments etc.

Please Note! 

Clear Hardwax Oil must always be used as the final coat when Natural Hardwax Oil or Colour Tones are applied


1L will cover approximately 20m² in one coat / 12m² in two coats depending on the timber and method of application.

2.5L will cover approximately 50m² in one coat / 30m² in two coats depending on the timber and method of application.

10L will cover approximately 200m² in one coat / 120m² in two coats depending in the timber and method of application.

1L will cover approximately 3 doors in two coats depending on the timber and method of application.


Compatible with


Treatex Colour Tones / Hardener / Thinner / Natural Hardwax Oil / Wax Polish / Floor Care / Preparation Cleaner / R12 Anti-Slip additive.​


Application Method 1

Sand 120-150 grit

Apply a thin coat of ULTRA using a good quality roller

Leave for 10 minutes

Slow buff with a soft pad to remove excess

Finish using a lint free cloth under the buffer

Leave for 45 minutes to dry with good ventilation

Apply the final coat with best quality microfibre roller

Usually ready for use after 8 hours

Usually ready for furniture after 18 hours

Application Method 2

Sand 100-150 grit

Apply the first coat using a good quality brush or roller

First coat will usually be dry within 3-6 hours with good ventilation

Apply the second coat using a good quality brush or roller

Usually ready for use after 8 hours

If it involves painting & decorating we can help!

With over 17 years in the paint business its always great when customers confirm we know our stuff and are always happy to advise.

We work with many of the major providers so have access to thousands of product lines. Contact Us If you can't see your product on the site, in the majority of cases we can still source it for you.

We wont be beaten on colour. As a Johnstones Trade Specialist we can match any colour perfectly with our in house mixing system.

Call us on 01422 713416 today or fill out our contact form now and we will be in touch as soon as we can!

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