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Application Scenarios for Primers and Grinding

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Do You Really Need to Grind Concrete Before Epoxy? | Garage Floor Prep Explained

What happens here

The discussion elaborates on suitable scenarios for using the specialized primers without grinding. Basements are identified as ideal locations due to the difficulty of transporting heavy grinding equipment downstairs, potential liability issues, and the primers' low odor and lack of silica dust generation compared to grinding. For older garage floors with typical automotive oil or transmission fluid drips, using Rust-Oleum industrial cleaners (like Foaming Aerosol Cleaner Degreaser or Concentrated Neutral Floor Cleaner) to remove most stains, followed by priming, can be effective. However, very heavy oil staining or industrial environments with constant forklift traffic and chemical spills would still require mechanical abrasion for optimal performance.

Goal: Identify appropriate surface preparation for various floor conditions and environments.

Tools and materials

  • Rust-Oleum Industrial Cleaners

What they say

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>> The EP55. EP55 and or epoxy shell 550. You're pretty confident that that is going to hold up and not fail in this uh residential setting. Very very confident in it. Uh we have a proven track record of performance. We sell a lot of products that do require grinding, but there are situations where grinding isn't necessary. This is one of those situations, especially considering if we're painting the inside of this house as a uh interior house painter. we can add this to our portfolio without the investment in equipment. >> So, what would you say maybe like a basement would that be another, you know, scenario where um priming because you can't grind or maybe you can't, you know, uh use an acid and be shop vacuum wet stuff down in the basement. Is that another place where you could actually use it? A basement is really a perfect situation. I know we all want to be He-Man and carry that grinding machine down the stairs, but there's a lot of liability with that. uh not only for the homeowner but also for the applicator. And so situations where it's not easy to get that prep equipment absolutely makes sense and no odor as well. So we don't have those harmful chemicals and we're not kicking uh silica dust into the air if that extraction equipment isn't functioning 100%. So the last floor I did, you know, EP55 and epoxy shell 550, you know, the primer that you can use in this residential setting. This is a brand new new construction house. But you know what about you know a floor? We're actually working on another job right now where the house is quite a few years old. Uh vehicles have been coming in out of the garage for a long period of time and um say it's dripped um automotive oil or say transmission fluid. Can you just clean that and can you prime that and are you going to have success with this system that we're actually doing? Great question again and in most settings absolutely. Uh utilizing the Rustoleum industrial cleaners, the foaming aerosol, the concentrated mixes will take most of those household type staining out of the concrete uh and then clean it with that pH neutral concrete cleaner. Where that might not be the same situation uh is if we're doing say an old um mechanic shop with a lot of oil staining that is very difficult to get out of the ground. that will likely require mechanical uh abrasion to remove that from the concrete as good as possible. >> I think I think that you know the biggest thing is you know people that are…

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