ACQ Pressure Treated Timber
The timber can be treated with either a green or brown finish.
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 is removed from the cylinder and returned to the storage tank for re-use.
The treatment gives softwood the qualities of a long service life and long term protection from fungal and insect attack.
The treated timber does not need any further maintenance treatment but will naturally weather over the months finally changing to a grey colour. This is caused by the effect of sun, moisture, wind and other exterior conditions. The efficacy of the preservative continues.