The science of treating timber properly provides for the preservative to be deeply impregnated into the sapwood thereby giving a deep envelope of treatment around the central heartwood. It is preferable that your treated timber is purchased in the size in which you intend to use it. If this is not the case and you subsequently cut the timber, you may expose the untreated heartwood of the timber. It is important that to retain the integrity of the treatment that you liberally swab or brush a suitable preservative e.g. Creosote or CCA, into the cut surface. The cut end of a pole or plank should not be the end which you plant into the ground. Rather use the other uncut end. Anti-split plates should be replaced if you cut off an end of a pole.

If timber, e.g. a treated post is planted in the ground it is essential that you allow for drainage of rainwater through the timber.

Do not enclose the planted end of the post in the concrete.

If you need to use concrete then let the concrete form a collar around the post with the end of the post protruding through the concrete.

If you plant the post on concrete at the bottom of the hole, let the concrete set before planting the post.

Treated Timber will give you many years of satisfactory service which will be extended even further with proper maintenanc|

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