Readers ask: How To Build A Large Sandbox?

Does a sandbox need a bottom?

Note: You don’t actually need a bottom on your sandbox, but without it, you risk the frame warping or pulling apart over time. A floor will add more support to the frame and help keep sand clean. Be sure, however, to select a pressure-treated wood to guard against damp, warping, and rot over time.

How many bags of sand do I need for a 4×4 sandbox?

For example, if the sandbox has a radius of 4 feet, and you want the sand to be 1 foot deep, you will need a little more than 50 cubic feet of sand: 4 times 4 times 3.14 times 1 equals 50.24. This example would require just over 100 bags of sand since each bag fills up half a cubic foot.

What is the best wood to make a sandbox?

What Is The Best Wood To Make A Sandbox?

  • Among the most common choices, you have redwood, cypress, cedar, heartwood, ironwood and more.
  • The most naturally resistant kinds of wood are redwood, cypress, and cedar.
  • Ipe ironwood can also be a great choice for your sandbox because it’s sturdy, it’s rot and weather resistant and it won’t warp or splinter easily.
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What do you put at the bottom of a sandbox?

What should I use for a sandbox bottom?

  1. Landscape fabric: allows water to drain through, but may not be strong enough to move.
  2. Regular plywood: allows movement, but may rot and does not drain.
  3. Redwood plywood: I don’t know anything about, but I saw it at Home Depot, and it may be more resistant to rot.

What size should a sandbox be?

You don’t need sand all the way to the top, so 64 bags will be enough to fill an 8-foot-by-8-foot sandbox about halfway for an ideal play space.

How much area will a 50 lb bag of sand cover?

A 50 pound bag of sand is about 3 cubic feet…so it looks like 7-8 bags should work for 2 inch depth.

What’s the difference between play sand and regular sand?

Over the years we have been asked the question “What is the difference between play sand and builders sand?” The simple answer to this is that play sand is a less coarse, much finer version of builders sand that has been through certain processes to make sure it is safe for children to play with.

How much is a 50lb bag of sand?

Lowe’s has a great price on Premium Play Sand — a 50 pound bag for $2.68. Regular price is $3.98. Walmart has a 50 pound bag for $3.98 as well. So if you can’t make it to Lowe’s you could price match at Walmart or The Home Depot.

How deep should a sandbox be?

The bigger and taller your walls, the more play sand you’ll need to fill the sandbox. Dig out the space. If your aim is to make a sandbox that is nice and deep for kids to play in (with well-loosened soil for that future raised garden bed, too), dig down 4 to 6 inches.

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How do you line a sandbox?

Line the box.



Lay a sheet of landscaping fabric across the sandbox so that it overlaps the second layer, and work it all around the edges and bottom of the sandbox pit so that it completely covers everything. This will allow water to drain out, and keep weeds from finding a new home.

How much cinnamon do you put in a sandbox?

The sand has not stayed in there long enough yet to get bugs, but I will be adding this as soon as I get home today to make sure it never does: Add one cup of cinnamon to your sandbox and mix it in with the sand to repel ants, centipedes, flies and perhaps even the neighborhood cat!

Will wet sand get moldy?

If you’re not afraid of these, no need to be afraid of clean, wet play sand. Sand for sure can grow mold (even in bags).

How often should you replace sandbox sand?

Over time, the sand in outdoor sand pits or sandboxes gets soiled and should be completely replaced. Generally speaking, replacing sand every year or two should be adequate, but more frequent changes might be needed depending on how often children play in the box and whether a sandbox cover is used consistently.

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