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Bieber081511 Jul 2016 22:13We have a precast concrete garage from Rekers. I want to seal the floor. From what I have learned, such a sealant should be resistant to
- oil, diesel, gasoline
- (mild) acids and alkalis
- plasticizers (from car tires)
Additionally, the coating should be vapor permeable (to prevent rising moisture).
The preferred products appear to be two-component epoxy coating systems. These are commonly sold as "2K garage sealers," "2K floor sealers," or "2K coatings" (generally: water-based two-component epoxy resin sealers). A typical application system usually includes:
- primer
- 1 to 2 coats
- topcoat (sealer)
Optionally, quartz sand or glass beads can be added into the top layer as an anti-slip additive. Also optionally, colored chips can be sprinkled into the topcoat (resulting in a surface that is not plain gray but black/white or multicolored speckled).
Besides epoxy resin dispersions, there are also acrylic-based ones (less common) and single-component floor or concrete paints (simpler, more affordable). I am not familiar with the former or could not find reliable information, while the latter generally lack the resistances mentioned above.
Potassium water glass seems less suitable for floors (or: secondary compared to the solutions mentioned above).
Questions for the community:
- Have you had any experience with specific products from hardware stores?
- How many layers did you apply?
- Did you use anti-slip additives?
- oil, diesel, gasoline
- (mild) acids and alkalis
- plasticizers (from car tires)
Additionally, the coating should be vapor permeable (to prevent rising moisture).
The preferred products appear to be two-component epoxy coating systems. These are commonly sold as "2K garage sealers," "2K floor sealers," or "2K coatings" (generally: water-based two-component epoxy resin sealers). A typical application system usually includes:
- primer
- 1 to 2 coats
- topcoat (sealer)
Optionally, quartz sand or glass beads can be added into the top layer as an anti-slip additive. Also optionally, colored chips can be sprinkled into the topcoat (resulting in a surface that is not plain gray but black/white or multicolored speckled).
Besides epoxy resin dispersions, there are also acrylic-based ones (less common) and single-component floor or concrete paints (simpler, more affordable). I am not familiar with the former or could not find reliable information, while the latter generally lack the resistances mentioned above.
Potassium water glass seems less suitable for floors (or: secondary compared to the solutions mentioned above).
Questions for the community:
- Have you had any experience with specific products from hardware stores?
- How many layers did you apply?
- Did you use anti-slip additives?
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Bieber081512 Jul 2016 06:57One00 schrieb:
Search function "epoxy resin" - Here, https://www.hausbau-forum.de/threads/epoxidharzboden-auf-betonestrich.4017/page-2#post-141426, you described your basement floor, but without the messy details (the rest of the thread is about living areas ...)
- Here, https://www.hausbau-forum.de/threads/epoxidharz-Garage.7691, the question was asked before, but without a comprehensive answer.
It’s not like I haven’t already searched ...
Due to the stress caused by car tires and especially the small stones in the tread, I would recommend using a thick coating in the garage instead of just a paint. This is naturally more expensive but also much more durable.
The application is quite simple, as I described in the other thread, provided that safety regulations are followed.
I’ll send you a private message with the details of what I ordered.
The application is quite simple, as I described in the other thread, provided that safety regulations are followed.
I’ll send you a private message with the details of what I ordered.
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