Maybe a matter of taste or maybe there's a right answer, but the kids have gone to bed, so has the wife, I'm done with the day and now I want to indulge by complicating simple things :D

I have a wooden sandbox - just walls and a lid (no bottom) that I've buried in the garden.
I've placed a landscape fabric under the box. I was just about to cut the edges of the fabric sticking out when I started to wonder if I've really done it right. So, I've laid the fabric as shown in image 1 below. The fabric is outside the sandbox. I thought it was better than image 2 where grass and other things might get between the fabric and the box. And the landscape fabric is there precisely to prevent plants from getting into the box and sand from going into the soil. But the question is whether the fabric should rather block sand from getting under the box, which doesn't happen in 1. If you sit/walk on the box, it might shift so that a little sand at a time ends up between the box and the fabric and then you have sand on the sides and the box pushes upwards, if you know what I mean. Still in the fabric but on the outside of the box. Probably doesn't really matter how I do it because the sandbox was cheap and it's not the end of the world if it needs to be torn down/replaced later on.

Is there a correct way, how would you do it or have you done it? Landscape fabric inside or outside the sandbox? 1 or 2?

Diagram showing two methods of lining a sandbox with landscape fabric: 1) fabric outside the box; 2) fabric inside the box.
 
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hanson#16
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If the sandbox is to be used by children, I don't think it matters much whether the fabric is placed according to option 1 or 2, after a few years of play, the box will be surrounded by sand regardless of the option. If you want to prevent the sandbox from moving when stepping on the edge, you can drive posts into the inside corners and screw the box to these.
 
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Poxeman
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Reading and reading your question, it's very late and I understand nada but we have landscaping fabric according to your image 2 in our "finished" sandbox with a lid from Byggmax.
 
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Snicklas
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MariaiÖstergötland MariaiÖstergötland said:
Reading and re-reading your question, it's late and I understand nothing, but we have ground cloth according to your image 2 in our "finished" sandbox with a lid from Byggmax.
I think the risks with the two are the following:
Illustration showing two sandbox placement methods: 1) sandbox shifts due to settling sand; 2) grass grows along edges, preventing sand shifting.
1) The sandbox "shifts" because sand settles under the sandbox. But on the other hand, no plants get into the sandbox.
2) Plants intrude between the sandbox and the ground cloth and come up in the sandbox along the inner walls. But on the other hand, no sand gets under the sandbox.

I'm starting to think that 2 seems better. Rather some grass along the edges in the box than the entire box shifts.
 
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tobbbias
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We did as in picture 1, except I stapled the ground fabric to the outside of the sandbox(y)
 
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john.h
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Isn't the 4-year-old's chance to dig to China a bit limited in a sandbox with landscape fabric?
Making a case for free play over the perfect garden…. :crysmile:
 
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Maasken and 7 others
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Laid the tarp as option 2, didn't even consider anything else. If nothing else, it feels easier to pull up the grass that comes up than to shovel the sand back. On the other hand, heaps of sand will end up outside anyway, it's just a natural result of the kids playing in the box...
 
Claes Sörmland
The sandbox isn't as fun after a few years, and then it will be closed down. Then it's nice to avoid the hassle of getting that covering up. So I suggest going coverless.

Weeds don't come from underneath, but from above with seeds. But the mullvadsungarna will keep the weeds away.
 
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Ingenjören and 1 other
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Tomture61
Why not use both variants, double tablecloths!
 
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tobbbias
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Claes Sörmland Claes Sörmland said:
The sandbox isn't as fun in a few years and then it needs to be closed. Then it's nice to avoid the hassle of getting that fabric up. So I suggest going without fabric.

Weeds don't come from underneath but from above with seeds. But the molehills will keep the weeds away.
So when you lay geotextile under paving stones, is it to prevent seeds from coming through from above and taking root in the soil below? I thought it was the opposite, mainly to prevent seeds and grass from growing through from underneath.
 
Claes Sörmland
P Plantarn said:
But when you lay ground fabric under paving stones, is it to prevent seeds from coming through from above and taking root in the soil underneath? I thought it was the opposite, among other things, to prevent seeds and grass from growing through from underneath.
No, it has nothing to do with weeds but the purpose of the fabric is to prevent materials from mixing with each other over the decades. If you lay, for example, crushed stone on clay, the "clay eats up" the gravel over time. If you lay finer material on coarse crushed stone, it runs down into the cavities.
 
Claes Sörmland Claes Sörmland said:
The sandbox is not so fun in a few years and then it should be closed again. Then it's nice to avoid the hassle of getting that cloth up. So I suggest clothless.
I think that's actually a reason to have a cloth, to more easily remove the sand when it's time to dismantle the sandbox...
 
Claes Sörmland
tveksamt tveksamt said:
I think that's exactly the reason to have a cover, to make it easier to remove the sand when it's time to dismantle the sandbox...
I just hope there are no trees or bushes nearby. I've had a bit of a nightmare trying to remove old ground cover that falls apart and is completely overgrown with tree and bush roots.
 
What should TS do when the children have dug down through the sand and "damaged" the ground cloth?
My children found an electrical cable deep under the sandbox.

When the box is being decommissioned, you just spread out what's left of the sand, that's how you manage a golf green.

As TS wrote, this is making simple things more complicated.

Protte
 
prototypen prototypen said:
What should the OP do when the children have dug down through the sand and "damaged" the ground cloth? My children found an electrical cable deep under the sandbox.

When the box is to be decommissioned, you just spread out the remaining sand, that's how you maintain a golf green.

As the OP wrote, this is making simple things more complicated.

Protte
In my case, there is no risk they will reach either China or electrical cables, at most they might reach rock if they are persistent enough.

Absolutely right about the complication. Sometimes you indulge yourself ;) Off the top of your head, how would you do it, 1, 2, or something else? With the ground cloth as a must.
 
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