This is a special treatment το ensure the high level of timber used for roofing and exterior applications (eg non-sliping floor, pergolas, fences, greenhouses, garden equipment, etc.), while helping to protect the environment.
The solution used for ecological impregnation contains copper and organic pesticides, which are biodegradable and absorbed by the environment without harmful effects. The arsenic or chromium is included therefor it is not toxic.
In this way the timber is suitable for contact with humans, it can be painted over or accept any other treatment and meets the EU standards in terms of efficiency of impregnation, the penetration and retention of the material, uses for which it is appropriate.