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Making a False Bottom for Large Garden Planters??

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Juliand:
Another random one for you....
I've bought some large deep garden planters, 900 mm high by 800 wide and 300 deep X 5, plus another 5 slightly smaller, ten in total....so an awful lot of  compost. Hence the thought of putting in a false bottom so that I'm only putting compost in at about a foot or so deep....

But, what can I use to make the false bottom?

Was thinking  MDF but I suppose that will just soak up the water. Any thoughts, please? Just called up a local timber mill and he was flipping useless.

Plywood sealed along the edges, maybe?? Wrapped in bin liners? Some bright boys on here, so someone please?  :thinking:

Cheers

pudding:
It's normal practice to just put a load of medium stones at the bottom of the planters for drainage.   That will reduce the compost volume!

Putting bits of wood and plastic in there to reduce the volume sounds counter productive?  You may as well buy smaller planters?

Juliand:

--- Quote from: Pudding on June 06, 2017, 03:54:03 pm ---It's normal practice to just put a load of medium stones at the bottom of the planters for drainage.   That will reduce the compost volume!

Putting bits of wood and plastic in there to reduce the volume sounds counter productive?  You may as well buy smaller planters?

--- End quote ---

Thing is wifey will want them moving 6 times before deciding they're in the right place, and they're already mighty heavy.....

pudding:

--- Quote from: Juliand on June 06, 2017, 04:12:12 pm ---
--- Quote from: Pudding on June 06, 2017, 03:54:03 pm ---It's normal practice to just put a load of medium stones at the bottom of the planters for drainage.   That will reduce the compost volume!

Putting bits of wood and plastic in there to reduce the volume sounds counter productive?  You may as well buy smaller planters?

--- End quote ---

Thing is wifey will want them moving 6 times before deciding they're in the right place, and they're already mighty heavy.....

--- End quote ---

I move my big pots around the garden with a sack barrow, or borrow a mate or two to help shift them.  Or just put your foot down with the missus and tell her to choose a spot and stick with it  :happy2:

willni:
Yep gravel stones is the common practice, annoying to move. You could also get some good timber and cut it up into chunks and char it. The char acts as a natural anti-rot, a bit of a lighter option.

Orrr make a raised platform as you'd like and wrap it in damp proof membrane staple it at the top then place another piece on top unstapled down and this will  give you a waterproofed platform.

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