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How do I fix up my garage floor so I can epoxy it?

L-Plates
New Contributor

How do I fix up my garage floor so I can epoxy it?

I want to paint our garage floor with epoxy floor coating.  It's 20 years old and has its share of stains. It needs taking care of.

 

The concrete has a fair few hairline cracks running across the surface, and a few pits here and there.  It has also been producing some chalky residue (efflorescence) along some of the cracks.  The residue has only started appearing in the last couple of years (perhaps as the cracks appeared?)

 

What do I need to do to get the concrete floor ready to epoxy?

 

Thanks.CracksCracksEfflorescenceEfflorescencePittingPitting

 

MitchellMc
Bunnings Team Member
Bunnings Team Member

Re: How do I fix up my garage floor so I can epoxy it?

Welcome to the Bunnings Workshop community @L-Plates. It's wonderful to have you join us, and many thanks for your question about preparing your floor for epoxy paint.

Here's our step-by-step guide: How to apply epoxy to a garage floor. In your case, you need to fill any cracks or damage before the paint application with Timbermate 500g Concremate Expanding Cement. After the filler has cured, you can sand it back and blend it into the surrounding concrete with a Trojan Concrete Rubbing Sharpening Stone.

 

Here's our Best Advice on How do you prepare a garage floor for painting?. You might also be interested in reading through @maknilsin's Epoxy garage floor project.

 

I'll include the Dymark instructional video below, which has a section on filling cracks.

 

Please let me know if you have any questions after reading the guide and watching the videos. 

Mitchell

 

 

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L-Plates
New Contributor

Re: How do I fix up my garage floor so I can epoxy it?

Hi Mitchell, thanks for your advice.

 

Do I need to use something like Crommelin Efflorescence Remover before starting?

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