We use a mortar pan, you can get them at HD.

I hear you on this one! One of my senior boys does this. I just use jumbo size litter boxes and have them sitting on extra large rubber boot mats that I got at the hardware store and those are sitting on a plastic table cloth to protect the floors. I'm still cleaning up spilled over cat pee but it's no where as bad as it was when I use lower cat boxes. Good luck!

tess

You're onto something with the 'bottom of entrance higher than tail of cat', approach. Got to a department store and buy a storage bin with sides that are a foot or more high. Wide and long is better too, as the cat may get closer to the center that way.

I saw a litterbox at petsmart where the box was covered,and the cat entered it through the top through a hole.(I thought it was the oddest thing!) It said that although it looked strange that most cats actually liked it better and that they got used to it fast.
You could try it,there is pretty much no way of peeing outside the box with that kind of box.

I have normal size litter boxes in the basement, but in the sunroom I have a Sterlite box which is very high and deep. I sit the box on its lid and it remains pretty clean around it. One of my cats loves to dig and dig when going there and no litter gets scattered. Downstairs in the basement, I don't care so much.

I had a cat who decided to poop outside the box.I tried everything.To no avail.I had to get rid of her.Good luck.

I just saw this on the web. Someone purchase a plastic storage bin which was larger than the cat box. They turned it upside down with cat litter box under it and the storage lid or any other type of plastic under the cat litter box. They cut a square entrance way into the storage bin. So the cat enters through the hole in the storage bin and then walks about 4 inches into the cat litter box. If the cat misses the litter box, it ends up on the plastic underneath. If the cat stratches the litter a lot, it doesn't spread all over the room. I thought that was pretty neat.

I had an old cat who did this with an uncovered box. We started leaving a light on in the laundry room, and lo and behold, he stopped missing the box. Apparently, he couldn't see what he was doing.

I just make my own kitty boxes -- the problem I have with my male is that he sprays backwards, so I need boxes with very high sides. And regular cat boxes with tops have a crack along the middle where the top goes on, so when he sprays, the pee hits the back wall and goes through that crack and drips down. Not ideal. So I just buy large Rubbermaid containers and cut out an opening with a Dremel (you can also use a handsaw) -- you could easily do the same thing, and just make the opening a little higher (tail height?)

Here is a link that might be useful: