Assembling a Go Pet Club Cat Tree Without Losing Your Mind
The instructions that ship with Go Pet Club Cat Trees are printed on thin paper with tiny diagrams, and they assume you already understand what a bolt is versus a screw. I spent about forty-five minutes on my third one before I figured out the pattern they use across nearly every model. Most of them follow the same basic assembly logic, and once you know it, you stop reading the paper after the first page. The paper insert is not always the most reliable version. Go Pet Club periodically updates their assembly guides online because customers keep emailing them about the same mistakes. The current PDF versions are clearer about bolt lengths and which direction the sisal wrapping faces. You can usually find them by searching the model number off the receipt or the box, then hitting the official Go Pet Club website support section. If you have the box, the model number is on the barcode label. Write it down before you toss the packaging, because returns happen and they'll ask for it. Here is how the assembly actually goes when you strip away the confusing diagrams.
Step one: sort the hardware. Dump everything onto a flat surface. The bag labeled bolts usually contains multiple sizes that look identical at a glance. The ones for the base are longer. The ones for the platforms are shorter. The ones for the post connectors are medium length with a different washer profile. Lay them out in separate piles before you touch a single post. I learned this the hard way when I used a base bolt on a mid-level platform and spent twenty minutes wondering why the thread wasn't catching. It wasn't a defect. I just had the wrong fastener. Step two: assemble the base frame. Most Go Pet Club trees use a square or rectangular base made from particle board with pre-drilled holes. You slide the metal brackets into the channels on the underside, then secure them from below. The instructions show this as a single step but it actually takes two people unless you have a clamp or two. One person holds the bracket in place from underneath while the other tightens from above. Without help, you can wedge a small book or a rolled towel under the board to hold the bracket steady while you work the nut on. I keep a couple of spring clamps in my garage specifically for this because trying to balance hardware against gravity while threading a nut is an exercise in frustration. Step three: attach the vertical posts. The main post slots into the base and is secured from the top through the first platform. The sisal-wrapped posts have a wood core inside, and the bolt goes through the platform, through the post sleeve, and into the base bracket. Tighten it until the post is rigid, but do not crank it. The wood core compresses under excessive torque and you will strip the threads inside the post itself. Hand-tight plus a quarter turn with the included Allen key is the sweet spot. If the post wobbles after a week of use, re-tighten. They settle over time.
Step four: add the platforms. These drop onto the posts before the top cap goes on. The tricky part is orienting the platform correctly. The hole pattern on the bottom of each platform matches a specific height on the post, but some models have identical-looking platforms at different levels. Check the diagram one more time before you bolt it down. I once assembled a cat tree backward because two platforms looked the same and I skipped that check. The upper platform ended up where the lower one should have been, and the top condo didn't align with the remaining post length. I had to disassemble the whole thing to fix it. Takes about fifteen minutes if you are careful, thirty if you are like me on a bad day. Step five: attach any condos or dangling toys. The top enclosure clips or bolts onto the highest post section. Make sure the hanging toy ropes are threaded through before you secure the final plate, because reaching up there with your hand inside a condo while balancing a wrench is not fun. The toy attachments usually just snap into pre-cut slots, so check that they are fully seated. Cats pull on those things aggressively, and a half-seated clip will let the toy fall off within a week. There are a few things the instructions do not tell you that matter.
Get the Full Details

Use carpet tape under the base if you have hard floors. The factory feet are rubber but they slide on polished surfaces, and a sliding cat tree is a safety hazard. I use 3M command strip adhesive mounting tape along the bottom edge. It holds without damaging the floor and costs about eight dollars for a roll that lasts for multiple assemblies. Check the wall-anti-tip bracket if your model includes one. Several Go Pet Club trees come with a small metal L-bracket and two screws for anchoring to a stud. It is easy to skip because it seems optional, but a forty-pound cat launching from the top platform generates enough force to tip an unsecured tree. Find a stud with a small drill bit and a hammer tap, then mount it. If you rent and cannot drill, there are tension-mount anti-tip straps that press between floor and ceiling, but they are less reliable long-term. The sisal posts will loosen. This is not a quality issue, it is physics. Cats sharpen their claws by pulling downward on the wrapping, which gradually compresses the core and reduces friction on the bolt. Every three to six months, go around and give each post bolt another quarter turn. It takes two minutes and prevents the whole structure from developing a lean that makes it look like it is about to fall over.
If your model includes a hammock or suspended bed, hang it after the main structure is fully assembled but before you add the very top cap if possible. Some designs require the top plate on first to hold the post stable while you thread the hammock straps, so just follow the final step in order. Getting the sequence wrong means holding a wobbly tower one-handed while trying to tie knots, which defeats the purpose of having someone help you in the first place. I should note that Go Pet Club cat trees sit in the budget tier for a reason. The particle board bases absorb moisture if you place them near a watering station or in a humid room, and the wood will swell and warp over a couple of years. The posts themselves are decent, and the hardware is standard metric sizing, so replacements are easy to source if something breaks. But do not expect this thing to last a decade. Three to five years of normal cat use is realistic, sometimes longer if you maintain the bolts and keep it out of damp areas. If you run into a step that genuinely does not make sense, the model number on your box will pull up the latest revision on their site. Sometimes the paper version is two or three revisions behind, and the online PDF will show a different bracket arrangement or an additional hardware bag you did not expect. That missing bag is usually the top platform kit, and it is easy to mistake for a defect when it is just an updated assembly sequence.