May 04, 2019 2:39 pm
I built some brick planter boxes out the back on a concrete base, so at this stage they are a fully sealed area. I'm concerned that I haven't allowed any drainage in these and this may be a problem down the track. Can anyone advise on whether or not filling the base with rocks and then soil on top will be sufficient?
They are relatively high, so I guess that works in my favour as it would take a fair amount of water to get all the way down to the bottom?
Re: Brick planter boxes - drainage issue2
May 04, 2019 2:55 pm
Normally you run a few lengths of 90mm stormwater vertically through the footings when you are pouring them to allow drainage.
I'd be concerned that it will become water logged and will test the waterproofing on the inside eventually leading to issues with the render
Can you hire a core drill and drill some holes through the bottom?
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Re: Brick planter boxes - drainage issue3
May 04, 2019 5:06 pm
Yeah, I'm kicking myself for not doing it when we poured the footings.
I've got a 25mm bit and have started drilling through the footings. I'll just throw in a heap to try and compensate.
Re: Brick planter boxes - drainage issue5
May 06, 2019 9:20 am
I got the same built by our excellent planter guy, he just filled lots of rocks in the bottom. Planter has been there for more than 2 years and no issues
That's good to hear! I went ahead and did a few holes in each section just in case. Tested it out and it all works well
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