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How soon should I protect my new log cabin?

Wood is a natural material, growing and adapting depending on weather conditions.
Large and small cracks, colour tone differences and changes, as well as a changing structure of wood are not errors, but a result of wood growing and a peculiarity of wood as a natural material.

Unprocessed wood (except for foundation joists) becomes greyish after having been left untouched for a while, and can turn blue and become mouldy.

We highly recommend that your log cabin is preserved immediately once erected, and finished with a good quality wood treatment or stain within 5 or 6 weeks.

The products that we recommend to customers can be purchased from local decorators merchants or online suppliers.

Step One: Pre -Treatment
You can use a Clear Wood Preserver (Cuprinol or other brands) which will protect the wood before you paint it. You need to leave it to dry around 3-5 days before you can overpaint/stain.

It is a colourless general-purpose preserver for exterior use. It gives a deep penetrating protection to sound wood against decay, mould and blue-staining fungi. The low odour formula has been specially developed with low aromatic solvents to make it more pleasant and convenient to use.

It can be either sprayed on or applied liberally with a brush. Apply uniformly, flooding faces, sides, ends and joints with at least two brush or spray coats. Apply the next coat after the previous coat has soaked in, but before it's dry. 


"A combined clear treatment for the eradication of dry rot, wet rot and woodworm. Its deep penetration gives lasting protection against all forms of future attack.
Deep penetration - Long lasting protection - Prevents re-infestation - Can be varnished or overpainted - Sprayable formulation"

Step Two: Painting/Staining
Painting or staining protects the wood from the damaging effects of sun and rain. Paint or wood-stains prevent the UV light from the sun from breaking down the surface of the wood and protects against rain penetration.

The type of product used will need to be very flexible to cope with the expansion and contraction of the logs throughout the seasons. Not all types of wood paint/stain are suitable. Use a product which mentions on the tin or data sheet that it is suitable for use on bare cladding. If it only mentions it is suitable for windows & doors then it probably is not suitable for log cabin walls.

If you are unsure please consult a specialist supplier regarding paints suitable for unprocessed smooth bare softwood and follow the manufacturer’s instructions.

Try Sadolin, Sikkens or Dulux Aquatech ranges of paints and stains. They are available from Decorators merchants such as Brewers, and they come in many colours and wood shades.

We have personally used Sadolin products and so therefore are happy to recommend them. We recommend Sadolin Quick Drying Woodstain if you require a translucent finish where you can see the grain of the wood. If you want a more painted look where the wood is obliterated use Sadolin Superdec. Both come in a multitude of wood shades and colours.  We recommend you treat the outside with at least 2-3 coats initially.

You can also treat the inside of your cabin with one coat of a stain paint suitable for wood. You could also use an Oil such as Danish Oil as a treatment for your internal logs. If you don't treat the inside at all it is likely to get grubby if you have children and animals!

Floors should be varnished using a Diamond Hard Floor Varnish for protection if not covering with carpet or laminate.


Windows and Doors - IMPORTANT

 Remove windows and doors from frames before painting them to allow you to get to all surfaces - front, back,  underneath, sides and top and get a good finish.

If windows are not removable, paint with windows open, remembering to paint the underneath, sides and top and leave open to dry well before closing the window or they will stick to the frames!

PLEASE NOTE: Failure to correctly treat/paint your windows and doors may lead to warping.

General Painting Advice
  • To protect the wood of your log cabin, you must immediately process them with a wood preservative .
  • We recommend a weather protection stain/paint that will protect wood from moisture and UV radiation.
  • Use a product which is designed for bare timber.
  • It must be very flexible to allow for the movement of the wood throughout the seasons. 
  • When painting, use high quality brushes and paints, follow the paint application manual and the manufacturer’s safety and usage instructions.
  • You are advised to use good synthetic-fibre brushes for water-based stains, pure bristle for oil based.
  • Never paint a surface in strong sunlight or rainy weather.
  • Always paint the whole way along one log at a time, starting from the bottom log and working up one by one.  If you use this method you can break off for 'calls of nature' without it looking a mess!
  • Don't worry if the first coat looks a little patchy, this is usually improved by a second coat.
  • Do not paint in sections from top to bottom as you will get a dark area where the sections overlap.


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May 07, 2021

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