a4architect.com wrote:use engine oil then wrap polyethene paper round the submerged bottom to water proof it.
@a4architect.com and @For Sport, thanks for the suggestion. But i thought there is another 'scientific' method e.g the posts are immersed in some chemical for xx days, etc. I also need to treat the pieces that run across.
The only time you should be looking down on others is when you are helping them up.