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Join Date: Feb 2008
Location: Colorado USA
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Recommended Epoxy Coating - 100% epoxy, new construction?

02/21/2008 1:25 PM

Hi All,

I am having a woodworking (hobby 24' X 28') shop being built as well as a 24' X 24' garage. I would like to coat the concrete floor with a 100% epoxy. Any recommendations as to brand, type (water based or solvent based), methods, etc? Thanks in advance to all who reply - Allanj

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Join Date: Nov 2007
Location: Christchurch, (The Garden City), South Island, New Zealand
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#1

Re: Recommended Epoxy Coating - 100% epoxy, new construction?

02/21/2008 4:23 PM

Hello allanj

You will need to ensure the concrete surface has cured properly before applying any non-water-based sealer compound.

We used to seal concrete with a proprietary 2 pot industrial resin, but as you don't give your location, the product we used would probably not be available unless you were located in New Zealand.

Advise your location - go to your "Edit Profile" at the bottom right hand corner of the monitor, in the "Logged In" box.

Alter your settings there as needed, and your location then automatically shows for each Post you make in CR4.

One of the best concrete sealers is a proprietary concrete paving paint.

We did a large motor garage floor some 15 years ago and the owner was so pleased; even after 20 years, you could still almost eat your lunch off the floor. The product Solpah Paving Paint was so good after all that time.

Kind Regards...

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Join Date: Sep 2006
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#2

Re: Recommended Epoxy Coating - 100% epoxy, new construction?

02/21/2008 11:05 PM

There are at least three different approaches: 1. See your local professional floor finisher for a 2k water-based epoxy which is the easiest to apply. It is typically white when applied. 2. See your local professional paint store for epoxy-based cement or porch & deck epoxy enamel paint. 3. There are super 2k epoxy floor coatings that come in kits, for about $ 60 a kit, and you'll need several kits. Don't try to use this coating by yourself. You'll need a professional floor finisher. But this coating will stand up to fork lifts, industrial work, solvent spills, wear and tear. It can also be spread a little way up the wall like a super molding. The old adage: You get what you pay for.

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Join Date: Oct 2007
Location: Turtle Creek, Pa.
Posts: 37
#3

Re: Recommended Epoxy Coating - 100% epoxy, new construction?

02/22/2008 12:23 AM

Think Twice!!! Then think again!!!!

Coating your floor may sound like a good idea and look purrrdy, but before you do, consider this. Woodworking of any kind creates a lot of fine dust, which will cause the floor to become extremely slippery. It may be best to just seal or dye the floor and opt out of the epoxy coating. I have first hand experience with fine saw dust and a purrrdy new shiny shop floor, I did a full leg split. Needless to say, I was out of work for 3 weeks. Shop owner had to re-coat with an abrasive mixed in. Harder to sweep and clean but no more skating on fine sawdust. Same thing will happen with floor tile. Another idea would be to lay wood strips, vapor barrer and unfinished plywood over the concrete floor. Wood is easier on the feet, droped tools, looks good, and if done yourself, won't cost much more than the epoxy. Just my .02

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Join Date: Oct 2007
Location: Turtle Creek, Pa.
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#4

Re: Recommended Epoxy Coating - 100% epoxy, new construction?

02/22/2008 12:30 AM

Coat the garage, not the wood shop!!!!!!

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#5

Re: Recommended Epoxy Coating - 100% epoxy, new construction?

02/22/2008 7:35 AM

As an engineer working for a coatings company, I must agree with the first post; surface prep is number one factor for determining success.

There is a joint standard (SSPC & NACE) you briefly should look at:

Joint Surface Preparation Standard

NACE No. 6/SSPC-SP 13

Surface Preparation of Concrete.

You should be able to find this online. The other bit not mentioned is, if it is new concrete there is the need to remove the surface laitance (weakly adhered residue).

My experience has been to stay away from anything solvented (water or not), and you can do away with a number of head aches (poor adhesion, thin application, pinholes, internal stress, etc.); 100% solids by volume only.

http://www.belzona.com

Look at: Belzona 5811 (Immersion Grade) -great value and easy to apply. This one only comes in 3 colors (Haze Grey, Black, and Beige).

For non-slip areas: Belzona 5231 (SG Laminate) - has encapsulated aggregate for a clean non-slip. This one comes in an array of colors.

To be honest, I would buy a good amount of the Immersion Grade (probably grey), and then purchase some 3M aggregate and a roll of 2-3 inch painter's tape. Create a chevron pattern on the floor around the slippery areas of concern with the tape (steps, near water or dust, etc.) and keep the strips of tape 2-3 inches apart. You can then broadcast the aggregate, or encapsulate it in a small amount of the epoxy and brush it on. Remove the tape before it cures. You are done!

If it is old concrete you are building this on, then the substrate must be clean, dry, and firm (without soluble ions). If this is the case feel free to post a reply, but the standard I mentioned should really cover all the bases.

There should be a local consultant near you through Belzona, those guys are great; they survey, they prepare a quote, they train, and all is part of the solution they provide, oh yeah, because they do not sell products, they sell solutions.

;)

Good luck.

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Guru

Join Date: Jun 2007
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#6
In reply to #5

Re: Recommended Epoxy Coating - 100% epoxy, new construction?

02/22/2008 9:19 AM

Good answer, specifying the "right place to go" for the defacto standard(s) applicable to this type of question/post.

You mentioned (sort-of "in passing") pinholes... (as a potential problem).

On concrete, which is porous, thus containing a bunch of trapped air... the experts will tell you to be sure and apply your product at that time-of-day where the temperature will be falling, as opposed to rising. In doing so, the 'contraction' of the entrapped air will aid slightly in pulling the product down INTO the pores, insuring better adhesion, etc. ... Whereas, if you apply when the temperature is about to start rising, you can EXPECT the entrapped air to be expanding, pushing-out tiny bubbles, forming pinholes littered throughout your otherwise fine new coating job!

Best wishes to you ~

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Join Date: May 2007
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#7

Re: Recommended Epoxy Coating - 100% epoxy, new construction?

02/22/2008 11:05 AM

This reply may be a little premature-but still may be relevant to you.

After you have epoxied your work space--if you decide that you do not like it or would like to change it back to concrete, here are some links for Diamond Cup Wheels designed for quick removal of epoxy and paint from concrete:

http://estore.websitepros.com/1808377/Detail.bok?no=305

http://estore.websitepros.com/1808377/Detail.bok?no=306

MrHandyMan

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