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How To Make A Mess-less Cat Litter Box

How To Make A Mess-less Cat Litter Box
This cat box design eliminates litter mess on the floor, by encouraging the cat to climb up a sisal ramp to exit. It keeps all of the litter contained and because the lid lifts up, it makes cleaning the area very easy.  Basically, it's just a deck box with a regular litter pan inside it, and a sisal ramp to get the cat's paws clean on the way out. 

As a cat owner, I'm surprised that they don't already mass-produce a product like this.  Everyone who owns cats knows about the problem of litter kicked out of regular cat boxes and tracked around on cat paws.  I put expensive litter mats in front of my regular covered cat boxes, but my cats just jump right over them.  By putting their pan inside of a larger box, with the exit up high, where litter can't get kicked out, and by providing the sisal ramp to clean the cat's paws, my floor stays spotless.

Tools:
Magic Marker
Hot Cutting Tool (or hacksaw or other plastic cutting device)
Pencil
Hand Saw
Electric Screw Driver
Square or Straightedge
Scissors

Materials:
1x  Regular Cat Litter Box
1x  Plastic Deck Box
1x  1" x 6" board (actual width will depend on the hole you cut) 
2x  Metal L-brackets
4x  1/2" screws
100ft  Natural Sisal Rope (1/4" thickness)
1x  bottle Carpenter's Wood Glue (fast drying 30min)
1x  roll of Plastic Tape
 
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Step 1Make a hole.

Make a hole.
Sketch out an opening big enough for your cats on the upper part of one of the end pieces.  Avoid the support braces, wherever possible.

Use a Hot Cutting Tool (or hacksaw or other plastic cutting device) to cut out the opening.  If you use a hot tool, do the cutting outdoors because there will be strong fumes.  If you cut using a saw, make sure to file or otherwise round the edges so the plastic is not sharp. 
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16 comments
Nov 29, 2011. 1:41 PMRustyRoller says:
I know this is an old post ... but I'm new on the site and searching for ideas on containing the litter, the dust from the litter, and of course, odor. And, my girls really don't like lids/covers on their boxes, no matter how tall or large.

But I like this idea ... I can leave the lid off the litter box itself, and there will be lots of head room for them. But instead of a deck box (which can be kind of $$$), I may try with an XXXL plastic storage tub/bin. Not quite as nice looking as the deck box, but still practical.

I discovered the hard way not to simply use an XXXL plastic bin as litter box (to keep more litter in the box, instead of it getting thrown about the room) --- it's impossible to pick-up to take outside to dump!

Thanks so much. Now if I add one of the fan set-ups, I should be really set. One of my girls has Inflammatory Bowel Disease, and there is no odor like the diarrhea from that. So I have 4 boxes for 2 cats, 2 of which are on a screened patio, and some days I still can't keep up with the sick one.
Nov 17, 2009. 8:58 PMdiznee4me says:
Nice work. I've been meaning to make something like this. This is just the kick start I needed. :)

P.S. I have 2 black cats, also!. :D I love my Halloween babies. ^_^
Dec 9, 2010. 10:24 PMmagdalene74 says:
i love my sleek black kitty, he is an all the time house cat but we keep an extra close eye on him around halloween not just about the people who use them as props, but more for the people who use them for sacrifices... not a nice thing. We got him from a horrible woman who wasnt taking any care of him or his brothers or sisters or even parents who were all black, the first day he seemed fine dispite the ill care but we found out when we took him for his check up the next day that he had hepititus and mites and fleas and an upper respiratory infection ... we went back that day to try to rescue the rest of them but they were already gone, i hope the other adopters got them to a vet in time... she said we could have lost our little guy if we hadnt brought him in. Now he is huge, sleek, sassy and rules the roost at seven months.
Nov 18, 2009. 8:04 PMdiznee4me says:
Yes, I did know that. And most places will NOT adopt them out before/around Halloween time because there are people who would/have actually only used them as "props" and then just dumped them. So sad. They are gorgeous creatures!

Nov 18, 2009. 9:48 PMdiznee4me says:
I'm hooked as well. ^_^
Jun 5, 2010. 4:16 PMkshadhavar says:
I have been looking for a reasonably priced litter box enclosure to keep the dogs out, but all the commercially available ones that look like they would suit my needs are usually at least $200. I'm so glad I found your instructable! I'm not sure how I missed it before (i've searched for litter pan soultions on here a few times over the past couple months), but I think I know what I need to do to make one now. Great idea!
Mar 23, 2010. 4:52 AMKnicke says:
I just made a version of this over the past weekend! So far so good. Instead of sisal, I cut a piece off of the large 3M litter mat that I already had and glued it to the ramp. The rest of the mat went under the litter box. Right now I am using my regular (non-high-sided) litter box inside, and so far there has been ZERO litter on the floor! If there's some tracking later, I might switch to a higher-sided box. Also, I haven't bothered to seal it w/ tape yet, I probably will soon.

Oh - I didn't put my cats inside to introduce them to it, because they are skittish and I was worried they'd be scared of the new box if I shut them in it. They figured it out on their own. And it's by a window, so it doubles as a bird-watching seat. :)

Thanks for the awesome idea! (Photos to follow if I can find my camera cord)
Feb 16, 2010. 8:28 AMrootchick says:
Oh, and this would be delightfully dog-proof.  Our dog has earned the nickname PooNommer, and we need a solution!
Nov 13, 2009. 1:40 AMWNCmountaingirl says:
Great way to also keep the dogs out of the litter box !!!!!!!
Nov 8, 2009. 10:26 AMChrysN says:
Wonderful idea!  Does it help contain the smell too?
Nov 9, 2009. 4:25 PMChrysN says:
Perfect!
Nov 8, 2009. 4:36 PMmeddler says:
Now that, is a good idea. Will have to implement.

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Author:weiblen.c
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