Carbolin Boiled Linseed Oil

A natural linseed oil (from the extract of flax seed) blended with driers to improve drying times. Boiled Linseed penetrates unsealed wood leaving a natural, water resistant finish with a slightly enhanced colour that darkens slightly with age.

  • For oiling many types of bare wood mainly for internal use and woodcare applications
  • (Not suitable for Oak, furniture or flooring)
  • A traditional treatment to seal terracotta tiles and other porous substrates
  • Can be mixed with burnt sand to form a caulking to fill gaps between timber and masonry

Please allow 1-2 working days for next day delivery of 25L items. This is due to the operation times of the hazardous goods vehicles of the external couriers.



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Carbolin boiled linseed oil is linseed oil blended with driers, improving drying times. Linseed oil comes from ripened and dried ‘flax plant’ seeds and has been in use for centuries. Boiled linseed oil penetrates unsealed wood, leaving a natural, water resistant, protective finish. The colour darkens slightly with age.

Use Carbolin boiled linseed oil for oiling many types of bare wood. Boiled linseed is suitable for many wood types, but is not suitable for oak furniture or flooring. Primarily for internal use and wood care applications. It also functions as a traditional treatment to seal terracotta tiles and other porous substrates.

Often mixed with burnt sand to form a caulking to fill gaps between timber and masonry.


  • Natural water resistant finish to unsealed wood
  • Darkens slightly with age
  • For many wood types (NOT oak furniture or flooring)
  • Seals terracotta tiles and other porous substrates

Not sure whether boiled linseed oil is the right oil? Why not have a read of our blog Wood oil: Why use it and which one to choose?

Please take care when disposing of rags used to apply linseed oil. Rags soaked in linseed oil are a known hazard and can spontaneously combust.



Application: Brush or lint free cloth

Coverage: 1 litre to 8-10 sq metres

Not recommended for furniture and flooring.

1 L, 2.5 L, 5 L, 25 L

Apply minimum 3 coats leaving 24 hours between each coat and a 7-14 allow 7 days (or until dry) after the final coat before using treated item

For best results on new woods, dilute the first two coats with 30% Barrettine Turps/White Spirit

Can also be used to soften putty and as a lubricant for French Polishing

Mainly used for internal purposes but if used outside, we recommend a prior application of wood preservative treatment that must be allowed to dry before applying Boiled Linseed Oil. Regular retreatment will be required.

Preparation and method of application are essential for great results:

Shake oil well before use. Keep container upright at all times
Ensure wood to be treated is dry, free from dirt and repellant coatings such as wax, paint and varnish (remove and sand down as required).
Wipe oily woods with White Spirit before application
Apply by brush or lint free cloth – after 10-15 minutes, remove excess oil with a lint free cloth
Clean equipment with Barrettine White Spirit
Precaution: cloths used for oiling may spontaneously combust. Immediately after use, soak them in soapy water then lay them flat outside on a non-combustible surface to dry

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Carbolin Boiled Linseed Oil
Carbolin Boiled Linseed Oil
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