Timber is a natural organic material. Many species can be subject to insect attack and fungal decay under damp conditions. Protecting the timber with chemical wood preservatives increases resistance to fungal decay and wood-boring insects.
This bulletin outlines the requirements for timber durability and the preservative options available and incorporates information resulting from Amendment 5 to NZS 3640:2003 Chemical preservation of round and sawn timber.
The bulletin covers:
Publication date: August 2014 Keywords: floor, framing, pole house, preservative, rot, safety, timber