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Preservation Treatment

Gargunnock Sawmill houses a treatment plant, in which we can permeate the cut wood for preservation against the elements.

The vacuum pressure treatment is offered with a green or brown finish, and utilises Lonzawood Timber Protection’s proven Tanalith® E 9000 and Tanatone® products. Tanalith® E 9000 preservative is a new generation alternative to traditional CCA-based preservatives, and is a waterborne formulation based upon copper triazole technology. Timber treated with Tanalith® E 9000 preservative is known as Tanalised® E treated timber. This has been updated to next generation Tanalith® E 9000 preservative in 2017.

What are the benefits for you, the customer, of preserving timber?

When exposed to certain conditions, in particular when the moisture content is allowed to rise above 24%, timber is susceptible to attack from fungi and insects. The service life of properly treated timber is 5 to 10 times longer than untreated wood.

How Peter & W E Cramb treat timber

The method of application is in a sealed pressure vessel, to which a vacuum is applied to remove air from the wood cells. Preservative is then forced under high pressure into the timber.

 After the timber has absorbed the required amount of preservative, all excess fluid is removed from the cylinder and returned to the storage tank for re-use.

The Lonzawood website contains a wealth of information and downloadable literature relating to Tanalith® E 9000.

www.tanalisedtimber.co.uk