I am looking to make a garden bed and have bought Sienna treated wood after understanding that this is the best bet for a veggie patch. I would like to know more about enhancing the lifespan of the veggie patch timber. I understand that to preserve the wood from moisture / water wear and tear, its better to paint it. But will painting the wood contaminate the soil? Will beeswax help enhance the lifespan of the wood? As a newbie, looking forward to get some expert advice on this. Thanks.
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I'd use some Crommelins waterproofing solution designed for garden beds on the inside as it'll a) protect the timber, and b) avoid contaminating your soil. Then you could paint the outside if you don't want the natural timber look.
I'd also like to welcome you to the Bunnings Workshop community. It's great to see you've already received some fantastic advice from the ever-helpful @ProjectPete.
You might also like to read these previous discussions for inspiration:
We look forward to hearing more about your garden bed project and would encourage you to let us know if you need further assistance or would like to share it with the community. I trust you'll find the community filled with knowledgable and helpful members that are always willing to lend a hand.
Thank you. I have gone through the posts and have come up with a plan to build one as my quarantine project
It's great to hear that you've formed a plan and will be starting on the build.
Please keep us updated on your progress as I trust our members would like to follow along.
Let us know if you need further assistance. We're here to help.