Project garage part 3, painting the floor with epoxyProject Garage, Part 3: New Flooring

By Sarah Forst

Last installment’s bright lighting only illuminated how horrible the concrete floors were starting to look. From oil changes and swapping brake rotors to cam installs and shock inserts, Project Garage was getting more business than a Pep Boys Fast and Furious sale.

Griot’s Garage is like the mecca for car lovers when it comes to “shop”-ping. Try to stay focused or you'll end up with a full cart!

After doing some research on floor paints and epoxy coating, Griot’s Garage seemed to offer the best non-stick floor option in terms of durability, cleanup, and looks. Not to mention it’s an affordable selection. One gallon covers approximately 130 square feet in two coats.  It comes in two colors: gray or tan. Since the concrete must cure for 90 days before it can be painted, that provided 3 months after moving in to scuff up the newly poured concrete floors. Cleanup of this dirty floor would be time-consuming but the thought of using a mop to wipe up spilled oil was much more appealing than the current Simple Green, rags, and crossed fingers method.

The concrete slab should also be checked for ground moisture, especially those slabs that are in direct contact with the ground versus being suspended over an empty space such as a basement.  To test for moisture, tape a one square foot piece of clear plastic down to the concrete for 1-2 days.  If moisture is present at that time, the floor should not be painted. 

Griot's Garage floor paint application kit
Griot's Garage offers their complete floor paint application kit if you want to one-stop shop.  The kit includes two mohair rollers, one heavy duty 9" Roller Frame, one 5' Extension Pole, a paint mixer, roll of paint masking film, and ten pairs of disposable gloves, though any car enthusiast buys these by the hundreds already!

The directions were detailed but intimidating. Prepping the concrete is the most important step. If you don't spend the time getting the concrete cleaned and etched, it won't hold the paint well and the finish won't be as nice. The air and concrete temperatures must also be above 50 degrees F for the paint to cure correctly. At least two coats are necessary with the second coat being applied within 24-48 hours of the primer coat.

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Wednesday, September 22, 2010 12:22 AM
Looks great, I don't know how I'll ever get the garage empty enough again to paint the floor. Having done the concrete floor myself, it also lacks that consistent smooth even finish, I suspect I have to something about swirls,etc. The mixer brought concrete that took forever to dry, ugh.
Dusty Duster
Dusty Dusterlink
Wednesday, September 22, 2010 9:31 AM
Well, you had me sold on this stuff until the "slippery when wet" part. No thank you.
Miles (San Antonio)
Miles (San Antonio)link
Wednesday, September 22, 2010 12:45 PM
Sounds more cost effective to utilize these folks for paint supply. I got a quote from UCoatIt for about $400 for a 2 car garage just for paint.

I also wanted to ask, do they offer a final coat or is it not needed.

Again, UCoatIt, said it would be another $250 for the gloss added to the paint.


I have used the Home Depot garage ones, and now 7 years later I have paint lift from tires in about 7 spots so I have to re-do this.

Just wanted to compare prices.
Wednesday, September 22, 2010 1:08 PM
Great article! Someday when I have a real garage I'm going to do this!
Sarah Forst
Sarah Forstlink
Thursday, September 23, 2010 3:37 AM
Dusty- It's not slippery like your car will be ice skating into the garage; it's slippery like don't try running onto the wet garage floor with a pair of Pumas unless you wanted to check out your undercarraige. And you can always drop some quartz crystals on it after the first coat and give yourself some more traction.

Miles- Definitely more cost effective, esp. if you do it yourself. It's $60 a gallon and you'd probably need about 3 gallons to cover your entire garage space with 2-3 coats. There is no other final coat needed; the gloss is included in the paint and you can get a glossier shine with a thicker first coat. I haven't had any paint lifting due to tires though friends who have used other brands of paint have. The floor paint offered at home stores reactivates under hot tires which is why it pulls up. The Griot's Garage stuff is formulated differently. The only place I screwed the paint up is from dropping a jack on it and cracking the actual cement slab- not the paint's fault.
Friday, September 24, 2010 8:40 AM
Good writeup!
Regarding the issue of the coating chipping by dropping a tool on it, I walked by my bosses pick up with a Line X bedliner in and started thinking "Hmmmmmm ....what about Line X + Garage Floor?" Line X can takes some serious abuse and being a urethane should be cheaper than an epoxy coating. Turns out that Line X now makes a floor covering and it can be colored and either smooth or textured. Might want to look into that in the future!
Saturday, September 25, 2010 2:54 AM
Home lift...prices have come way down, looks like that's what you need now that the floor is done ;)
Saturday, September 25, 2010 2:58 AM
Sarah, the other thing to be careful of with the jacks is the edge where concrete meets the driveway (mine at least has a lip between the asphalt and concrete). Besides my lightweight jacks, I have a 100+ lb HD steel jack which will easily lift my 5300 lb truck, but does a fine job of chipping concrete, too when you roll it over the edge =:0
Saturday, December 28, 2013 4:50 PM
Hey Sarah, How's it still holding up? I'm planing on doing my garage too this summer. Thanks for any additional advice...
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