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Protecting floor from a 4 post lift

blinn

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May 20, 2012
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Greenville SC
I want to put an epoxy floor in my garage. I have a 4 post lift and seeing what the posts have done to the currently painted floor, I’m wondering what I can do to keep the new epoxy floor looking nice. What have others done if anything? My lift is not bolted to the floor and I have casters in case the lift needs to be moved.

Thanks
 
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Danno1

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.


Well, the first thing is, don't use RustOleum floor epoxy. Get the (very) expensive top of the line Benjamin Moore epoxy. Yes, you're gonna pay for it. But that stuff is bombproof!


.
 
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blinn

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Greenville SC
It hasn’t damaged the concrete, but the floor paint has been basically ground off. The 4posts aren’t typically bolted down so they move slightly when cars are loaded and unloaded.
 

mike93lx

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Will the lift generally live in one spot? If so, mark off squares for where the legs are and do them in a different finish, like no flake. It will give you a designated spot to put the lift and make recoating easy whole not having to mess with a piece of vct while you place the lift back on the ground
 

rayra

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wait, "The 4posts aren’t typically bolted down so they move slightly when cars are loaded and unloaded" ??

Why aren't they bolted down? Shouldn't they be bolted down?

You seem to be focusing on a superficial cosmetic issue and not a major mechanical engineering and safety issue.

/but sure, let the lift keep bowing and moving and flexing until metal fatigue triggers a failure with a couple tons in the air. At least your blood will clean up easily off the pristine epoxy floor.
 

AffableCurmudgeon

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Triad Area NC
wait, "The 4posts aren’t typically bolted down so they move slightly when cars are loaded and unloaded" ??

Why aren't they bolted down? Shouldn't they be bolted down?

You seem to be focusing on a superficial cosmetic issue and not a major mechanical engineering and safety issue.

/but sure, let the lift keep bowing and moving and flexing until metal fatigue triggers a failure with a couple tons in the air. At least your blood will clean up easily off the pristine epoxy floor.

Not really a need to bolt them down. Some even come with casters to move them around, meaning that designers and manufacturers don't see a need to do so. I haven't had any issues with mine not being bolted.

Not really sure where you are coming up with the doomsday scenario of metal fatigue and dead people. Are you metallurgist and a mechanical engineer or did you just stay at a Holiday Inn Express last night?
 

mike93lx

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Not really a need to bolt them down. Some even come with casters to move them around, meaning that designers and manufacturers don't see a need to do so. I haven't had any issues with mine not being bolted.

Not really sure where you are coming up with the doomsday scenario of metal fatigue and dead people. Are you metallurgist and a mechanical engineer or did you just stay at a Holiday Inn Express last night?
Being dramatic without actually understanding the application. Super useful
 
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blinn

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May 20, 2012
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Greenville SC
wait, "The 4posts aren’t typically bolted down so they move slightly when cars are loaded and unloaded" ??

Why aren't they bolted down? Shouldn't they be bolted down?

You seem to be focusing on a superficial cosmetic issue and not a major mechanical engineering and safety issue.

/but sure, let the lift keep bowing and moving and flexing until metal fatigue triggers a failure with a couple tons in the air. At least your blood will clean up easily off the pristine epoxy floor.
 

rayra

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Escaped from Los Angeles
The manufacturer recommends not bolting the 4 post lifts to the slab, 2 post lifts of course are but not 4 post lifts. I have casters for the lift so it can be moved anywhere in my shop.
That seems like a terrible idea, especially the way you described the lift flexing and moving with a load on it. I'd never do that, even if the manf said it was ok. I've had enough experiences with metal fatigue to not trust leaving it unbolted at all.
 

Byrdnyrd

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Jan 10, 2021
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Taxachusetts
If you do the Math, you’ll find that a fully loaded 4 post lift exerts less than 20 psi at each post, even corrugated cardboard will protect your floor at those levels!.,

I have 1/4” EPDM rubber under my posts. I like the Tractor Supply horse Mat idea!!

BN
 
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phred

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Apr 23, 2009
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NC
The local club I belonged to years ago had 6 4 posts lifts. Members of the club stored their vehicles there in an insured, climate controlled warehouse with workbays, party room and all the amenities a car guy would want. Part of the agreement was all members had access and if need be we could move cars around. I came in one day to find my 78 bronco on one of the 4 post lifts sitting over the club presidents mid 80’s bmw 7 series. I had to move his car to get my truck down. That lift struggled to lower my truck because the posts wanted to “walk” as the carriage came down. I would never own a 4 post lift not bolted down. I was so afraid of dropping my truck and wrecking several vehicles in the process. The club president made a note not to allow anyone to put my heavy truck back up in the air over his car again. 🤦‍♂️😂
 

Yankeefarmer

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The local club I belonged to years ago had 6 4 posts lifts. Members of the club stored their vehicles there in an insured, climate controlled warehouse with workbays, party room and all the amenities a car guy would want. Part of the agreement was all members had access and if need be we could move cars around. I came in one day to find my 78 bronco on one of the 4 post lifts sitting over the club presidents mid 80’s bmw 7 series. I had to move his car to get my truck down. That lift struggled to lower my truck because the posts wanted to “walk” as the carriage came down. I would never own a 4 post lift not bolted down. I was so afraid of dropping my truck and wrecking several vehicles in the process. The club president made a note not to allow anyone to put my heavy truck back up in the air over his car again. 🤦‍♂️😂
Those lifts were either very light duty or, more likely, poorly maintained. Your 78 Bronco was not likely to be heavier than my 2008 F250 V10 4x4, which has been up and down on my free standing 4 post lift several times. Don’t make the mistake of assuming all 4 post lifts are equal.
 

phred

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NC
Those lifts were either very light duty or, more likely, poorly maintained. Your 78 Bronco was not likely to be heavier than my 2008 F250 V10 4x4, which has been up and down on my free standing 4 post lift several times. Don’t make the mistake of assuming all 4 post lifts are equal.
Yeah it’s a light weight at 6700 lbs. you are probably correct about the lifts not being rated for heavy vehicles since most stuff in the club was exotics and track cars. I was the lone truck guy in the club.
 

Sumboodie

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Painted floor is going to get wear.

Want to stay looking like a mueseum, need to not use the place as a shop.

It's far easier to not go full crazy on some $5 a sq ft coating and instead redo the worn areas every few years. The stuff we used in the shop was maybe $40 a gallon, took 4 ir 5 gallons to do 2 coats on ~1500 sq ft. Lasted 4-5 years of commercial use before needing a fresh coat (like $100 worth)
 

Sumboodie

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Those lifts were either very light duty or, more likely, poorly maintained. Your 78 Bronco was not likely to be heavier than my 2008 F250 V10 4x4, which has been up and down on my free standing 4 post lift several times. Don’t make the mistake of assuming all 4 post lifts are equal.
We had some at work that lifted dump trucks without trouble. Maybe 15-20 ton rated, I firget.
 

P0234

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Yeah it’s a light weight at 6700 lbs. you are probably correct about the lifts not being rated for heavy vehicles since most stuff in the club was exotics and track cars. I was the lone truck guy in the club.
6700lbs??? Sounds like you may have had huge axles and tires on top of a big motor. Can't imagine that fitting on/under a normal car 4 post.....


Wonder is this guy bolted his lift down?

Screenshot_20240522_072322_Facebook.jpg
 

racecougar

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I'll confess that I'm a little blown away by the number as well, as that's about 2,000 lbs heavier than stock. Isn't it a 351M, stick, on 35's?
 

Smoker

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San Antonio
wait, "The 4posts aren’t typically bolted down so they move slightly when cars are loaded and unloaded" ??

Why aren't they bolted down? Shouldn't they be bolted down?

You seem to be focusing on a superficial cosmetic issue and not a major mechanical engineering and safety issue.

/but sure, let the lift keep bowing and moving and flexing until metal fatigue triggers a failure with a couple tons in the air. At least your blood will clean up easily off the pristine epoxy floor.
Seriously, you have no idea what you are talking about. Metal fatigue? Its not an airplane...
 

OldCarGuy

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Ohio
I purchased five four-post Stinger lifts some 30 years ago. With the manufacturer's recommendations, I did Not bolt them to the floor. Never been an issue. I'm constantly playing musical cars with many ups and downs over the years. Though seldom used, I have the wheel kit for moving lift around with or without a car on them...

The Sherwin William's HS 1000 has held up well under the small movements the posts have with use..
Car_Garage_storage_2gJcdgxV29Ua1aGWTqncKm.jpg

I took this picture today at the base of the posts...
7BBE4ECC-4E20-4EA4-B11B-65189475ECEC.jpg
 

Stuart in MN

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Minneapolis
I purchased five four-post Stinger lifts some 30 years ago. With the manufacturer's recommendations, I did Not bolt them to the floor. Never been an issue. I'm constantly playing musical cars with many ups and downs over the years. Though seldom used, I have the wheel kit for moving lift around with or without a car on them...
I have a Stinger lift in my garage, it's been there for probably 25 years. Not bolted down, and it does have a wheel kit so it is occasionally moved from one spot to another. No problems at all.
 

phred

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His other post said 351M, ZF5, and 35's on beadlocks.
Stock this bronco was 4800lbs. Add a full cage, tried to the frame, plate bumpers, winch, the bead locks have a inner liner so they are really heavy, belly pan, 33 gallon fuel tank with 1/4” skid plate, 2x4 tube rock sliders, boxed frame yada yada yada. I was shocked when I scaled it how much weigh I added. I drive it almost every day. I love it. 2DFAC69C-ADF3-40A4-959F-C111D7AA69C3.jpeg
 

racecougar

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Bolted down or not, I don't think I'd want to throw that much weight on one of the lightweight 8k lifts.
 

mike93lx

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Stock this bronco was 4800lbs. Add a full cage, tried to the frame, plate bumpers, winch, the bead locks have a inner liner so they are really heavy, belly pan, 33 gallon fuel tank with 1/4” skid plate, 2x4 tube rock sliders, boxed frame yada yada yada. I was shocked when I scaled it how much weigh I added. I drive it almost every day. I love it. 2DFAC69C-ADF3-40A4-959F-C111D7AA69C3.jpeg
Sweet ride! Hopefully it gets dirty :)
 

OldCarGuy

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Ohio
I have a Stinger lift in my garage, it's been there for probably 25 years. Not bolted down, and it does have a wheel kit so it is occasionally moved from one spot to another. No problems at all.

Two decades ago Stinger lifts were common place among the home car enthusiasts. The good folks that started Stinger Lifts lived the American Dream. They found their niche and manufactured a quality product. That marketed their ideas through magazines and by word of mouth. Sadly the competition of cheap imported lifts was far more than they could overcome. But their products live on today..
 
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