Acq Treated Hardwood. Acq treated pine is classified as a softwood but is still durable. It is necessary to use fasteners meeting or exceeding requirements for astm a 153 class d such as ceramic coated as mere galvanized and even common grades of stainless steel corrode. Those who would like treated timber for timber decking in brisbane are not allowed to use cca treated timber.
Began mandating the use of non arsenic. The treatment provides protection against termites and rotting.
Chromium vi is not likely to be on surfaces of treated wood.
The evidence against the use of cca treated timber isn t strong but the simple fact is that lots of people don t trust it won t trust it and won t use it because arsenate is one of the compounds used in the manufacture of cca. Acq treated pine is classified as a softwood but is still durable. Acq is an eco friendly alternative to other timber containing chromium or arsenic. 10 forms of copper may vary in toxicity.
