Patio garden weight


Old 07-14-18, 07:46 PM
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Patio garden weight

I am in the process of preparing a raised square foot garden on my 2nd story deck/patio. Could someone with a bit more experience help me to determine if this patio can hold the added weight. Its 4feet wide by 8 long, and the soil depth will be roughly 6-8inches.

also is there an option to post photos here?
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Old 07-14-18, 08:43 PM
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is there an option to post photos here?
Yes, if you use a computer, maybe if you use a phone.
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Old 07-14-18, 08:59 PM
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Well, at 32 sq ft that's roughly 20 bags of topsoil, each weighing about 43 lbs. So 860 lbs worth of dirt... dry out of the bag. Each gallon of water adds 8lbs, and soil can hold a lot of water which makes it heavier when it's wet. Safe to say it would be over 1000 lbs once it's built and filled.

Doubt your deck was designed for that kind of constant load... plus people. And we know nothing about your deck structure. Granted, that's equal to 5 normal sized men... which doesn't sound like much, but if you have that PLUS people up there, that's where you might run into trouble.
Old 07-15-18, 04:40 AM
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Also, 6-8" really isn't deep enough for a good garden. Things can be kept alive and you can get some production but vegetables need much deeper soil for optimum production.


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