Can you buy two of these and use them to construct one uber large bin?

You can, absolutely. Would I? Probably not. If you have a good bunch of initial compostable material I would think you could sturdy up the perimeter of the 2x unit. The material is kind of like a stiff, thinner bathtub mat with lots of air holes. So it's pretty pliable and might drive you nuts trying to keep it standing up if you don't have enough waste to start. That illustration probably has the bin reduced to about 1/2 to 2/3 the max diameter. I use it almost fully expanded.Hope this is helpful!

Can I overlap it around a wire mesh composter?

You can, tho there's really no need to. The bin comes with five interlocking plastic "keys" that keep the bin shut pretty tightly. I've used my bins for about two and a half years now and they have stood up to all the wear I could put them to... Mainly putting it up, filling it up to the brim, and taking it down to move it on many multiples of occasions. In fact, I found that the method of using this composter most efficiently is using it to contain all of your materials in by filling it, (preferably by green and brown layer mixing), letting it sit for a day, and then taking it down and setting it back up next to the first stack to refill again. Using it this way, you could potentially have a number of mounds all working sequentially in a row composting, and when one is ready to turn, just use the bin set up next to the oldest to turn the pile into and repeat. These bins are very hardy, I have gotten a lot of use out of mine without the need for any wire mesh just using those keys to keep the screen closed. One thing that may be valuable to you, depending on how fast you can fill it, are little wire stakes to hold it into the ground, though I've never had any issue with it wanting to fall over at all unless there are heavy winds, or if you don't have enough starting material to form as a nice base to hold the circle in place as you fill it. Usually about a foot or two will be fine to keep it up as you fill it progressively, though it's really meant to be used for massive amounts of materials to fill it, as the process of composting works best when the pile is greater than three feet tall. If you do not have much starting material, you could potentially decrease the diameter of the bin to as small as you choose to, as the composter material can be overlapped and still locked together to a pretty small circle if need be.

Will extreme heat break down the plastic? I live in Arizona and plastic things do not thrive well for very long outdoors.

We live in North Carolina and had a very hot summer last year...record amount of 100+ days. We have only had the bins for a year and have seen no breakdown. The only thing that had happened was in a bad storm we had a 12in tree fall on one of the bins and all it did was tear the top about 2in between holes. We are very pleased with how they are and for the price you can't beat them...Hope this helps

Is the geobin made in the usa?

Daniel, the Geobin is made by our employees in Weyauwega, WI of materials sourced exclusively in the USA. Thank you for your question and consideration of our Geobin composter.

Item Dimensions L x W x H	36.5"L x 5"W x 5"H
Item Weight	7 Pounds
Capacity	216 Gallons
Shape	Cylindrical
Color	Black
Material	Plastic

Geobin Compost Bin - 246 Gallon, Expandable, Easy Assembly, Made in The USA, Outdoor & Backyard Composter

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