Patching floor before epoxy-coat

marinebri68 · Apr 17, 2015

Hi I'm trying to find a product I can use to fill some pitting in my floor and also level out some high spots and won't take a month to cure. I just moved into a "new" house and only have a couple weeks till I have to get all the stuff out of my old place so I don't have a month to wait for the patch to cure before I do the epoxy coating. The feathering out of the high spots will maybe be a half inch thick at the thickest point and it's maybe a 5x5ft area that needs to be done on top of the pits that need to be filled.

Is there something that I can get from someplace like Lowes or Home Depot that will do what I need? I am looking at the Quickcrete concrete patch that has a fast cure time but I'm not sure. I spent $500 on the Epoxy-Coat and don't want a huge spot in the middle of my floor that's messed up within a few months of doing it.

I'm quickly running out of time so any responses will be greatly appreciated.

Thanks

LegacyIndustrial · Apr 17, 2015

Cement based patches are not the answer. They will become the weak link in your project.

You need an epoxy patch material.
http://www.legacyindustrial.net/products/concrete-repair/hd-110-epoxy-concrete-patch.html

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Jsf721 · Apr 17, 2015

I have seen people use bondo for small repairs

benwah · Apr 17, 2015

^^ Bam! Scotty hit it.

100% solids epoxy patching/surfacing products are much stronger than concrete. That is the way to go. Be sure to clean the area well and get rid of any loose or failing concrete in the area you will be patching.

marinebri68 · Apr 17, 2015

Thanks for the replies. How long do I have to work with the above product before it hardens?

LegacyIndustrial · Apr 17, 2015

25-30 min. Plenty of time. Rock hard in approx 10 hrs.

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marinebri68 · Apr 17, 2015

Ok I see it's free shipping, any idea how long it might take to get to northern WV if I were to order it now?

Garage Flooring · Apr 17, 2015

marinebri68 said:
Hi I'm trying to find a product I can use to fill some pitting in my floor and also level out some high spots and won't take a month to cure. I just moved into a "new" house and only have a couple weeks till I have to get all the stuff out of my old place so I don't have a month to wait for the patch to cure before I do the epoxy coating. The feathering out of the high spots will maybe be a half inch thick at the thickest point and it's maybe a 5x5ft area that needs to be done on top of the pits that need to be filled.

Is there something that I can get from someplace like Lowes or Home Depot that will do what I need? I am looking at the Quickcrete concrete patch that has a fast cure time but I'm not sure. I spent $500 on the Epoxy-Coat and don't want a huge spot in the middle of my floor that's messed up within a few months of doing it.

I'm quickly running out of time so any responses will be greatly appreciated.

Thanks

Have a look at something like TL Patch Kit http://www.garageflooringllc.com/concrete-repair-materials/ we have a brochure there for you to look at as well. It has both an epoxy and an aggregate and is a great way to go. We stock the small kits and can ship one today.

Just re read the thread The other suggestion has an aggregate in it as well. Either way is a great choice.

LegacyIndustrial · Apr 17, 2015

Really quick. Monday or Tuesday.

Here is a little blog article complete with real use pics.

http://blog.legacyindustrial.net/2010/10/we-receive-many-requests-for-detailed.html?m=1

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marinebri68 · Apr 17, 2015

So for the GarageFlooring site, is the 10sqft the only size you have for that?

Garage Flooring · Apr 17, 2015

marinebri68 said:
So for the GarageFlooring site, is the 10sqft the only size you have for that?

We list those by weight not square feet. Coverage varies a ton. Depends how deep, etc. we sell both the small and large

benwah · Apr 17, 2015

1604 divided by your mil thickness will give you coverage rates for 100% solids epoxy.

80 sq. ft/gallon @ 20 mils

25 sq. ft/gallon at 1/16" (62.5 mils)

12 sq. ft/gallon at 1/8" (125 mils)

etc.

Garage Flooring · Apr 17, 2015

benwah said:
1604 divided by your mil thickness will give you coverage rates for 100% solids epoxy.

80 sq. ft/gallon @ 20 mils

25 sq. ft/gallon at 1/16" (62.5 mils)

12 sq. ft/gallon at 1/8" (125 mils)

etc.

Just had a glance at the one Legacy had listed and I know for certain on my own these kits are an aggregate / epoxy combination

benwah · Apr 17, 2015

GarageFlooringLLC said:
Just had a glance at the one Legacy had listed and I know for certain on my own these kits are an aggregate / epoxy combination

Ah, my fault. I'm out and about and didn't even click the link :dunno:

Thanks for the heads-up!

Please disregard that equation once aggregate is mixed in.

LegacyIndustrial · Apr 17, 2015

A (1) gallon unit yields approx 1/2 gal of useable material.

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marinebri68 · Apr 18, 2015

Is this an epoxy material on the GarageFlooring site or is it standard concrete patch?

Large Concarete Patch Kit spalled concrete, holes, and thresholds-- 12.4 Pounds

Sorry for so many questions, I just want to be able to get the most I can for the money I spend since as it is I was barely able to convince the wife that the $500 I've already spent is a good investment

Garage Flooring · Apr 18, 2015

marinebri68 said:
Is this an epoxy material on the GarageFlooring site or is it standard concrete patch?

Large Concarete Patch Kit spalled concrete, holes, and thresholds-- 12.4 Pounds

Sorry for so many questions, I just want to be able to get the most I can for the money I spend since as it is I was barely able to convince the wife that the $500 I've already spent is a good investment

It is epoxy and also aggregate. We don't sell vinyl patch. We do have straight epoxy patch. This is a better option. Legacy's as well and he is closer to you if time is important.

Garage Flooring · Apr 18, 2015

benwah said:
Ah, my fault. I'm out and about and didn't even click the link Thanks for the heads-up!

Please disregard that equation once aggregate is mixed in.

Caught ya! You are in fact human like the rest of us.

marinebri68 · Apr 18, 2015

Ok so the 12.4lb unit should cover the 10sqft or so I need with some of it being almost a half inch thick? It's a high spot I'm trying to feather out and then patch the pitting. Does this need to be totally dry before applying? I'm needing to pressure wash the floor as well. If I need 2 large ones it's still cheaper than some of the ones I have seen so far. Is there shipping on top of it?

Garage Flooring · Apr 18, 2015

To many variables. Depth of hole, etc. If you order two, you can send an unopened one back within 30 days for full refund. Consider the volume of a 2x5 area with 1/8" deep issues vs the same area with 1/2".

marinebri68 · Apr 18, 2015

Thanks for all your help Justin and I think I'm going to be ordering 2 large kits from you. Just curious if you know how long it may take to get to me here in Morgantown WV 26501 if I order it now? I'm going to assume to order won't be processed till Monday so I'm just wondering if it'll be by Friday if possible?

Also your example of a 2x5 area at 1/8" is that the coverage for the large kit?

HotRod68Camaro · Apr 19, 2015

When using a patch kit, should i patch before any grinding/prep so that i don't have to do it over? Just trying to put together the entire process to make sure i save money on the HD tool rental.

LegacyIndustrial · Apr 19, 2015

Post prep. Grind smooth with a hand grinder

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Garage Flooring · Apr 20, 2015

marinebri68 said:
Thanks for all your help Justin and I think I'm going to be ordering 2 large kits from you. Just curious if you know how long it may take to get to me here in Morgantown WV 26501 if I order it now? I'm going to assume to order won't be processed till Monday so I'm just wondering if it'll be by Friday if possible?

Also your example of a 2x5 area at 1/8" is that the coverage for the large kit?

Yes, get the order in today and you will have it by the weekend for sure

ColdBlackWind · Apr 20, 2015

How thin can you feather out the epoxy based aggregates? Also max thickness that can be applied?

LegacyIndustrial · Apr 20, 2015

Ideally, the edge is "keyed" into the floor keeping the thickness around 1/16". It can be feathered to nothing but it's much stronger when keyed.

Several inches is not a problem. At a certain point it makes sense to look at a bag of 4K lb mix concrete, if over 5 or 6 inches. However, you can go pretty much as thick as you need to.

ColdBlackWind · Apr 21, 2015

LegacyIndustrial said:
Ideally, the edge is "keyed" into the floor keeping the thickness around 1/16". It can be feathered to nothing but it's much stronger when keyed.

Several inches is not a problem. At a certain point it makes sense to look at a bag of 4K lb mix concrete, if over 5 or 6 inches. However, you can go pretty much as thick as you need to.

So by keyed in you mean to **** up to a 1/16" edge ground into original floor?
Is the 1 gallon kit after aggregate addition more than 1 gallon by volume? Any additives to make it flow? I am going to need a substantial amount if I try to repair my floor.

LegacyIndustrial · Apr 21, 2015

Yes. If the traffic will be considerable this is a good way to go. If normal garage traffic then feather it.

It's approx .5 gal of useable material once mixed.

The 2 gal units are the easiest to work with and are the best value, imo.

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Rocktaco · Apr 21, 2015

Would the concrete patch from Legacy be comparable with the Rust Bullet product?

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LegacyIndustrial · Apr 21, 2015

It is compatible with most coatings, including standard industrial enamel.

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Garage Flooring · Apr 21, 2015

Rocktaco said:
Would the concrete patch from Legacy be comparable with the Rust Bullet product?

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Yes it would

ColdBlackWind · Apr 22, 2015

LegacyIndustrial said:
Yes. If the traffic will be considerable this is a good way to go. If normal garage traffic then feather it.

It's approx .5 gal of useable material once mixed.

The 2 gal units are the easiest to work with and are the best value, imo.

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Additives to make it flow? I am going to need a lot more than 2 gallons!

LegacyIndustrial · Apr 22, 2015

I can provide the liquids only, you can source your own dry sand. Best value

Send me a pm with cubic feet needed and I will work something up. Will need your zip code too.

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Jaguar Fan · Apr 22, 2015

If you are concerned with being able to fully apply the product within the pot life, here is a trick that may help. I did this myself.

First, I used a product that was available at a local concrete accessories supply store http://apfepoxy.com/product-epoxy-300-flex#.VTe2u1VVhBd . In my case, I was just filling control joints, so application with putty knife & working it deep into the joint and scraping the top of excess material took time. I had so many linear feet of control joints to fill that I couldn't do it all within the pot life.

SO -- my solution was to take the epoxy bucket & put it into a larger tub filled with ice water. This slows down the cure to extend the pot life. I got an extra 15 to 20 minutes of pot life. I put the tub of ice water on a floor creeper to move it all around to follow me as I applied the product.

YMMV.

Garage Flooring · Apr 22, 2015

I have been playing with these numbers a little bit and here is what I come up with.

To ESTIMATE how much aggregate you need:

@ 1/4" you will need just less than 1.5 pounds/ Sq.Ft
@ 1/8" You will need just less than .75 pounds / Sq. Ft.

benwah · Apr 22, 2015

Jaguar Fan said:
SO -- my solution was to take the epoxy bucket & put it into a larger tub filled with ice water. This slows down the cure to extend the pot life. I got an extra 15 to 20 minutes of pot life. I put the tub of ice water on a floor creeper to move it all around to follow me as I applied the product.

YMMV.

It's funny how many times a year I have to tell a painting contractor to do this because of the extreme desert heat. That's exactly what we recommend in this type of situation where a short pot life needs to be extended a bit.

LegacyIndustrial · Apr 22, 2015

Yes, this is a neat trick. Keeping the materials inside the house, in the AC, before using helps as well.

Here is a link to our "Liquids Only" epoxy patch material. Big savings when you need a bunch.

http://www.legacyindustrial.net/products/concrete-repair/hd-110-epoxy-concrete-patch-clone.html

ColdBlackWind · Apr 23, 2015

LegacyIndustrial said:
I can provide the liquids only, you can source your own dry sand. Best value

Send me a pm with cubic feet needed and I will work something up. Will need your zip code too.

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Will do after I work down the high spots and see what I have left. Anybody ever use the big two disc, gas powered grinder that Sunbelt rents out? I think it is about a 300 pound machine. Was wondering what abrasives to use for the most aggressive cut.

LegacyIndustrial · Apr 23, 2015

You are likely referring to an EDCO. You want Dyma-Serts. They will grind pretty well.

Patching floor before epoxy-coat

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