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There are many examples of when you can apply a new coat of epoxy over an older cured coating. As long as the existing garage floor coating is a 2-part resinous product such as epoxy, polyurea, polyaspartic, or polyurethane, then you should be able to apply an additional coat of a compatible product without issue.
Can you apply new epoxy over old epoxy?
Can I put another coat of epoxy over cured epoxy? Yes. Since the epoxy has cured a chemical bond is not possible so what is called a mechanical bond is needed. This simply means that the cured epoxy has to be lightly sanded before the next coat is applied: the first coat should have a matt, almost white, surface.
How do you epoxy over existing epoxy floor?
If you have painted over an existing epoxy coating or applied any other type of floor sealant then a second coat will not work as it will not bond properly. In order to proceed in any of these cases just highlighted, you need to grind the entire coating away, and effectively apply a new first epoxy coating.
Will epoxy stick to epoxy?
The answer is, yes. In fact, it is an important factor in being able to add a second layer of epoxy. First, if you’re epoxy has cured properly and is hard to the touch without imperfections, you can do a light sanding with 320-grit sandpaper in order to scuff the surface so that you can apply your next layer.
Can you epoxy an old garage floor?
Epoxy floor coatings work best on a concrete floor that is in good shape, without serious cracks, chips, or spalls. A brand-new concrete slab is best, but older slabs can work fine if you first do whatever repair and patching work is called for.
What are the disadvantages of epoxy flooring?
Disadvantages epoxy floor Epoxy floors are hard and therefore there is contact noise during walking. Without underfloor heating an epoxy floor feels somewhat cold, similar to tiled floors. If there are unevennesses or cracks in the substrate, ripples can become visible in the floor.
What happens if you dont sand between coats of epoxy?
Sanding will not only get out the imperfection, but will also serve to provide some tooth between the first and second layers. It will look very scuffed in the short term, but don’t worry, once you pour the second coat over top, all of those sanding marks will disappear.
How long does epoxy garage floor last?
Typically, epoxy flooring lasts 2 to 3 years in heavy traffic. Commercial properties—like garages, restaurants, or factory spaces—with lots of daily foot traffic can expect this experience. However, with proper care and maintenance, your epoxy flooring may last much longer.
What can I put over an epoxy floor?
If the existing epoxy paint is a two-part epoxy, polyurea, polyaspartic or polyurethane, an additional layer of compatible paint should adhere to the floor. According to System Three Resins, linear polyurethane paints, also known as LPUs, are the best option to use over epoxy coatings.
Should you sand between coats of epoxy?
Sanding will not only get out the imperfection but will also serve to provide some tooth between the first and second layers. It will look very scuffed in the short term but do not worry, once you pour the second coat over top, all of those sanding marks will disappear.
Will epoxy stick to wood?
Two-part epoxy glue is known for high performance strength and durability. When applied to wood, it acts as a sealant, or filler that hardens to create a lasting bond. Its waterproof seal makes it easy to clean and ideal for wooden tables or furniture. After the full cure time it can be sanded or drilled.
Can you put polyurethane over epoxy?
Both oil-based and water-based polyurethane can be applied over epoxy, although oil-based polyurethane may leave an amber hue (while water-based will be more clear). To ensure proper application, be sure that the epoxy has completely sealed/hardened, and sand first to allow for a mechanical bond.
Can you pour epoxy over uncured epoxy?
Unfortunately, you cannot just add another layer on top, you will have to scrape the runny resin off. Make sure to get most of it off because if you leave any behind, this may leak into the new layer of resin. Once you are sure most of the gooey resin is gone, you can then pour a new layer of resin on to your surface.
How much does it cost to epoxy a 2 car garage?
Epoxy garage floor cost is $2.50 to $9.00 per square foot. The average epoxy flooring cost is $6.55 per square foot or about $3,050 for a two-car garage.
Is it worth it to epoxy garage floor?
Is It Worth It To Epoxy Your Garage Floor? Epoxy is durable, easy to clean, and protects the concrete substrate of your garage floor. It is also a highly affordable flooring solution. If you are looking to renovate and protect your garage floor, epoxy is worth it.
What is better than epoxy for garage floor?
Nowadays, polyurea coatings are a much better option. Here at Garage Force, our patented polyurea garage floor coatings are about 20 times stronger than epoxy coatings. That is a huge difference in strength! In contrast, epoxy coatings will yellow and fade after consistent exposure to sunlight.
Do epoxy floors crack?
Do Epoxy Floors Crack? Epoxy floors are very rigid. As a material, epoxy has very little flexibility, so slight shifts in the foundation can lead to cracks forming in an epoxy coating, leaving you with cracked floors that are difficult to repair without recoating with a new layer of epoxy–an expensive proposition.
Why you should not epoxy your garage floor?
Steer Clear of Epoxy on Your Garage Flooring #1: Epoxy has Weak Adhesion. Compared to paint, epoxy has far stronger adhesion. #2: Epoxy Takes Multiple Days to Fully Cure. #3: Epoxy Fades. #4: It Can Stick to the Wrong Places! #5: Poor Flexibility. #6: Cooler Temp Applications Are Tough.
How long does epoxy flooring last?
Long-Lasting, Environmentally-Friendly Floors Epoxy floors typically last 10 to 20 years and can last even longer with the proper maintenance and touch-ups. When it finally comes time to replace your floor, there will be no need for removal, and no need to throw away your old flooring.
