Floor hoists

Reading the post below got me to rethinking my problem. I bought a four post lift, but also have in floor heat. I have never used it because the waste oil heat works so well, but I hate to drill through the pipes, so here is my question,, anyone ever tried epoxy?? They have new stuff that is really tough. Do you think a guy could "glue the legs down?? Al
 
The epoxy vendors would like sell you enough epoxy to glue an entire steel building together, however from a safety and technical standpoint I would strongly discourage your idea.

bjb
Texas Structural Engineer
 
Are you sure it needs to be bolted down? My Rotary Revolution 4-post, 9,000 lb lift is made to be moved around. The dealer said I could bolt it or not bolt it. I was skeptical at first but did not bolt it down. I've had no problems.
 
Is your in floor heat by hot water or electrical grid? If you have hot water you can have some one with a thermal camera locate the heat pipes.
From there you can then drill and bolt down your lift.
Brian
 
You don't have to have Hot Water Heat Any hot liquid medium can be traced/mapped with thermal imaging.
 
I have a friend that has had a four post lift in his garage for 30 years and it's never been bolted down. It is a very cheap brand of lift like maybe "backyard buddy" might be the name and he's never had one bit of trouble but also uses common sense when using.
 
Adhesives work best in a shear action. Yours would be a tension application. Do not rely on any adhesives to keep it from leaning.

As mentioned, if you can get some heat thru your tubes, a thermal imaging camera will show ya where your tubes are.
 
If it is not obvious what would happen if one or more legs let go, I would give the mfg a call, see what they recommend.

If it's just to keep it from walking, it should work. You would need to get down to clean concrete if it's grease soaked.
 
No experence here, however would welding or bolting 1/4 inch flat stock from post to post in a rectangle pattern work? It would keep the posts from spreading out. A quarter inch would not be hard to roll over with whatever tool you would use. My 2 cents. joe
 
I would just set it up without bolting to see how much you'll hate it before you do anything permanent. Four post drive on lifts are only good for alignment racks, useless for everything else. Don't go high enough to walk under without bumping your head and you have to bend over the runners to do anything with the wheels.
 
It's a 4 post lift, they do not need to be bolted down, a 2 post lift definitely needs to be anchored. Floor level is the most important thing for you to worry about.

I've never heard of any kind of epoxy rated to bond lift feet to a concrete floor. Plenty of people use epoxy anchors but those require holes.
 
My BIL sold his two post hoist and replaced it with a four post. He LOVES his four post.

I don't believe most four post hoists need to be anchored, but check with the manufacturer. It might be it only needs shallow anchors, say a couple of inches deep; if that's the case you probably won't drill deep enough to hit the tubing.

If you decide to drill for anchors, I would pressure check the tubing with compressed air once you're done. If you find a leak, you can then decide whether or not to break out the concrete and repair the line. At least you'll know if you hit a line or not.
 
> Adhesives work best in a shear action. Yours would be a tension application.

Hmm. How would the legs of a four post hoist ever go into tension?
 
(quoted from post at 12:51:51 02/25/20) > Adhesives work best in a shear action. Yours would be a tension application.

Hmm. How would the legs of a four post hoist ever go into tension?

Only if it starts leaning.

I would just slap some JB Weld down, seems to be the cure all for everything. :roll:
 
> Only if it starts leaning.

It sounds like you've never actually seen a four-post hoist. A four-post lift isn't going to lean under the weight of a vehicle any more than your kitchen table is going to tip over under the weight of a roast turkey. If the hoist leans, it means the floor is collapsing under it, and no amount of anchoring will prevent that.
 

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