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bsmith95610 03-29-2011 04:50 PM

Epoxy Questions

I am going to be putting down some epoxy in my garage in a couple of weeks and have been reading through the forums. Below is my understanding of what I should do along with a couple questions. Any help or feedback would be much appreciated I am trying to make it looks nice and hopefully last a long time.

My Plan

1. Lay down a square foot of clear plastic on the floor and tape down all of the edges then wait two or three days then pull it up and make sure there is not water.

2. Acid wash the floor with a solution that is 4 parts water to one part acid then rinse with a high-powered washer.

3. Apply Primer with a roller for the base coat.

4. Once the primer has dried apply the epoxy.

5. Spread the flakes evenly.

6. Once the epoxy has dried seal the epoxy with a finish coat.

7. Then let the floor dry for a week before I pull a car onto it.


1. Does the temperature need to be warm outside before I start the process? If so approximately how warm?

2. After I acid wash the floor do I need to neutralize the surface with a solution that is one part ammonia to ten parts water?

3. Once the epoxy is dried can hot tires on a car really strip it up? If so is there a way to avoid this?

4. I’ve read that you can add slip resistant aggregates to the finish coat to increase traction. Is that something I should do or do most finish coats already have that in them?

5. It seems like certain types of epoxy have different solid percentages on them. Should I be looking for something that says 100% like it does at or should I not be worried about that?

6. Some types of epoxy is water based and some is solvent based. Is one better than the other?

7. Are there any brands of epoxy that anyone would recommend?

Thank you all for taking the time to read through this.

bsmith95610 03-31-2011 06:57 PM

Does anyone know the answers to my questions. I'm hoping to buy the supplies this weekend.

woodman58 04-01-2011 05:41 AM

Sorry, I don't have your answers. If you read the directions on the products you are going to use the label will tell you exactly what you are going to have to do. Most manufacturers will have this on the label. If they don't I would not buy it.

Maintenance 6 04-01-2011 06:52 AM

First. Go more than a square foot of plastic. Go about 2'x2' and duct tape it to the floor. I'd do it in more than one place as well. Epoxies don't breath well. You are trying to learn how much vapor transmission is coming through the concrete. Vapor trapped under epoxy will build pressure until it blows the epoxy off of the surface. As far as the application process, that will be specific to the brand and type of material you are using. Thoroughly read the manufacturer's instructions. Buy the material from a paint store where you can get factual information, not some guy in an orange or blue apron. A good epoxy floor coating should not peel up, provided it was rated for a garage floor and was put down properly and allowed to cure for the correct length of time.

bsmith95610 04-01-2011 10:35 AM

epoxy questions

I was just looking at a few brands of epoxy and saw this kit. It had good review and is a 100% solids kit that looks like it has everything I need it in. Do any of you have any experience with this brand? If so any comments on whether it is good or bad?

Also my garage is 680 sq ft the kit does 480 sq ft then there is another smaller kit with 240 sq ft. So that would be 720 sq ft. Do you think I should buy those two kits or should I buy two of the 480 sq ft kits just to be safe?

Also since I have expansions joints in my concrete I was thinking about buying which would fill in the expansion joints so it would look cleaner. Is this what most people that are laying epoxy with expansion joints would do?

Any help would be much appreciated.


Bud Cline 04-01-2011 07:30 PM


Is this what most people that are laying epoxy with expansion joints would do?

No! Not if they are wise.
You cannot "unitize that floor" if that's what you are thinking. You should "honor" any expansion joints that exist.:)

Are you trying to dress up a garage floor or build a shuffleboard?:)

bsmith95610 04-01-2011 08:02 PM

Bud Cline - I'm not trying to unitize it I'm just trying to make sure the flooring is completely flat. If I don't do it won't it just end up using more epoxy since it will just go down in the crack? The epoxy joint sealer will flex it the concrete expands too so it shouldn't ruin the purpose of the expansion joints.

Bud Cline 04-01-2011 08:12 PM

Is this a "paint-on" application type product?:)

bsmith95610 04-01-2011 08:27 PM

Yes it is a roll on application.

Bud Cline 04-01-2011 08:33 PM

If you feel a need to spend more money and buy a patching material designed to get deeper into your pocket then go for it. I personally don't see any real practical need for it. Paint some epoxy over the joint and call it good.:)


If I don't do it won't it just end up using more epoxy since it will just go down in the crack?
I don't see how, not if you are painting it on the surface.:)

BigD9 04-01-2011 09:03 PM

About 4 years ago, I used RustOleum brand epoxy garage floor paint on our garage floor. I used their concrete cleaner solution, and pressured blasted the surface till I had a sandpaper looking finish. I sealed a crack, but did not seal the expansion joints. Did not use the skid resistant material. Did use the flakes. Everything went smoothly, and it looks great even after 4 years of parking and working on cars. The epoxy does not hold up well to brake fluid (it discolored). Also the reported 240 sq ft coverage per gallon was more like 200 sq ft actual coverage.

It is easy to clean, and isn't all that slippery. Sure spray a little water on it, add some oil from the cars and presto, watch your footing. But for everyday use, not slippery at all. The chips seem to be raised enough to prevent slipping.

I'm happy and plan to do the 40 x 40 equipment garage next.

bsmith95610 04-02-2011 03:41 PM

Thanks for the info. Glad to hear it worked out well for you. I'll probably just leave the expansion joints alone then.

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