By Staff Writer
For poles and round wood, the information is commonly applied on 25mm metal tags or anti-split end plates, and for sawn and machined timber or boards, ink stamps are used.
1. Background and purpose H4 treated wooden poles are used in most normal ground contact applications in South Africa. According to the SANS 457-2 (Softwood species) and SANS 457-3 (Hardwood species) standards, the expected service life of timber used in ground contact should be at least 20 years or longer if treated and used correctly....
