Thread: Which timber for pool decking?

There is only 1 specie that that I know of that will not stain your water or comcrete.
That is Red Mahogany.
Every other specie will turn your concrete black and your water as well.

Red Mahogany isn't a specie that is run into decking. However if you contact a manufacturer they may have Red Mahogany that they can run for you.

Without a doubt I would use Modwood. It is not really timber but it will last a very long time. If the builders are doing it right then it should give you many years of reliable service. By doing it right I mean protecting the Joists and bearers from water. No water between the bearers and the deck means no rots.

To add to Wongo's recommendations be sure to used stainless steel fixings, preferably screws and not those terrible Chinese square drive things. Buy them from a specialist supplier and they are more affordable.

We put a deck over the coping on an above ground pool 8 years ago. Used Kwila because it was readily available and a good price. Leaching into the pool was never an issue as any tannin etc gets filtered out seem to recall we just needed to backwash the filter a few more times.

The decking has lasted fantastically well in what are probably some of the harshest conditions anywhere (wet tropics). Using SS nails in predrilled holes is the best way of fixing decking.

Stain on concrete is an issue (not for us as we do not have any nearby) but I was told regular application of diluted chlorine will help.

Hi Kelis,
If you want another option for your decking look at coconut palm timber. It has no tannins so will not bleed or stain. Check out pacificcocowood.com.au for further info.