How to Make a High Sided Litter Box – DIY High Sided Litter Box

Last Updated on July 8, 2021 by Jenny

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There is an older post on this site, Litter Boxes for High Spraying Cats, and I recently ran it again and re-posted it on our social media channels.  One reader, Jessica, saw the post and shared with me, her DIY high sided litterbox in the comments of that post.  I wrote her and asked if she would let me share a photo of her DIY creation here on Floppycats (on the Litter Boxes for High Spraying Cats post), but she ended up sending in more detailed photos and instructions, so I thought it warranted it’s own post.  Thank you, Jessica!
You had asked me for pictures about my high sided litter box. I use a Sterilite 66qt container for the box itself. Other supplies are: a magazine, a permanent marker, and a wood burning tool (be very careful with this) Litter Boxes for High Spraying Cats IMG_0334 I use the magazine as a template and trace it on the side of the box. You don’t have to use a magazine-you can draw whatever shape or size pattern you want to cut out. Just don’t make it too low otherwise the cats will kick all the litter out. High Sided Litter Boxes IMG_0335 I found that trying to cut out the side to make the hole to hard or that the plastic would crack. I went to Lowe’s and bought a wood burning kit for about $15. Once it is hot (and it gets VERY hot so be careful not to burn yourself or set it down on anything flammable), I use it to trace the outlines I drew. It melts the plastic. It takes a couple of minutes to complete this step. Go slow and carefully to get a straighter line. how to make a high sided litter box IMG_0336 Once you have melted through all 3 sides, you can remove the piece you wants to cut out. You may have a couple of sharp edges in the melted plastic. I just run the edge of the tool along them to smooth them out. When you’re done with the tool, unplug it and put it somewhere it can’t burn anything or anyone. I tend to put mine in my garage on the concrete floor to be safe. litter box for high peeing cat IMG_0337 Below are a couple of pictures of Wyatt of @willa_and_wyatt checking out the finished product! best litter box IMG_0338Litter Boxes for High Spraying Cats IMG_0340 I hope this helps out others! I started doing this when a cat I had at one time had bad arthritis so he could get in the box. It’s also great for kittens!

Litter Box for Large Cat DIY

  I cannot remember how it came about – but Floppycats’ reader Aims Windler in a comment on a Facebook post, posted a photo of her DIY litter box.  So I replied to that comment on Facebook and asked, if she could please email me to tell me in detail how they made their homemade litter box. Two cats on a patio walking past a DIY litter box Turns out it’s really simple to make but quite effective at giving your cat privacy and helping to keep odors sealed inside a box. They started with a clear plastic storage box from eBay. There are various sizes of storage boxes available, so you should measure for your biggest cat and find the one that will comfortably fit them. Aims chose the 29.0589 gallons (110 liter) box for their biggest cat. litter box from the top image They then bought a regular cat door that you’d install on your home, cut a hole for it in the side of the box, and added it. Despite the walls of the box being thin, you can attach the cat door as long as it has a tunnel joining the two sides of it. The cat door that Aims chose was this one on Amazon (similar to this one in the USA). Litter box with a door handmade Once the flap is installed, the litter box is ready to use. It’s a good sized box that gives your cat plenty of space to feel comfortable, but because it’s an enclosed box there’s some sense of privacy (even with a transparent box) and smells won’t be as strong. Front of litter box with a flap Of course, if your cat is not used to cat doors or cat flaps, there might be a small amount of training involved – like perhaps leaving the flap off the door at first, until they are using the litterbox. Litter Box with a lid for large cats You could use any kind of litter with this DIY litter box. I asked Aims what they used, and they said they used Catsan, which is a non-clumping litter of tiny stones that work like crystals. Clumping litter would work fine though. Lid of a litter box What do you think of this simple DIY litter box build?  Have you designed your own litter box too?  We’re always happy to share readers’ designs and help others to find a litter box that works for them and their cat. Have you ever created your own litterbox?

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9 thoughts on “How to Make a High Sided Litter Box – DIY High Sided Litter Box

  1. Diana L Sherrill says:

    Hey Jenny!
    Thanks for posting these litter boxes. I’m especially interested in the one with the cat door. We have just adopted a Sheltie puppy, 1st puppy in 32 yrs, and I have concerns he might end up a little too interested in the kitty litter deposits. This will be a wonderful tutorial to have if he is.
    Right now, he has made a nap buddy with our 12 yr old Ragdoll, Bear. Bear is already patient with him and will be an excellent big brother. Thanks again.

  2. pam-e says:

    I love the idea of using the wood-burning kit to cut the shape out and smooth the edges. Very clever Jessica!!!

    Love from Pam and FLUFFY

      • pam-e says:

        Very cool Jenny!!! I may have to DIY a box for young Master FLUFFY because he LOVES scratching around in his litter box and he sends the litter FLYING everywhere…

        I’ve never discouraged him from doing this because I want him to be happy and content with his litter box…

        Love to you, Chiggy & Charlie
        from Pam & the FLUFFY xoxox

  3. Patti Johnson says:

    SUPER PAWESOME & FABULOUS POST, Jenny & Jessica! TYSVM for sharing this great DIY info with all of us, Jessica! Brilliant!!! 🙂 <3

    Big hugs & lots of love & purrs!

    Patti & Miss Pink Sugarbelle 🙂 <3 <3 <3

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