Jokes1 min ago
Epoxy Floor Paint - Repair. Oops!
10 Answers
We recently painted our garage floor with some epoxy floor paint. Nice colour, nice finish, perfect. We waited quite a few days before putting the car on it and then two days later when we took the car out again...RIP! It hadn't quite set and pulled four small patches up.
Obviously this type of paint goes off in the tin so there is no spare, and we don't want to fork out another £50 for a tin when we only need a tiny amount.
Any ideas on what we can do? I thought about just getting a sample pot of normal paint to match the colour, then spraying some sort of sealant on top to make it blend in and protect it like the rest of the floor?
We can always repaint it in a few years, in a different colour, but just need a temporary cheap fix to protect these now exposed four small areas!
Obviously this type of paint goes off in the tin so there is no spare, and we don't want to fork out another £50 for a tin when we only need a tiny amount.
Any ideas on what we can do? I thought about just getting a sample pot of normal paint to match the colour, then spraying some sort of sealant on top to make it blend in and protect it like the rest of the floor?
We can always repaint it in a few years, in a different colour, but just need a temporary cheap fix to protect these now exposed four small areas!
Answers
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Unfortunately, if my experience here in the U.S. is of any reference, the "four small patches" are just the beginning of the problem. Wait until next summer when you drive in when the tires (tyres?) are hot.
I found that cleaning the surface of the floor, repeatedly with a pressure washer and solvent was the key. I finally got good adherence with scrubbing the floor with said pressure washer and using a lite application of muriatic acid and rinsing well with the pressure washer.
The muriatic acid is fairly corrosive, but used at 1 part acid to 20 parts water, it etched the concrete sufficiently to assure good adherence.
One site says: "...Masonry can be very alkaline, which makes for poor adhesion of paints, etc. Washing masonry with muriatic acid neutralizes the alkalinity, leaving it in optimal condition to accept paints and other coatings. When cleaning masonry with muriatic acid, a powdery residue is left on the surface. Once that residue is rinsed off, you are left with a very clean, coating friendly surface..."
Good luck!
I found that cleaning the surface of the floor, repeatedly with a pressure washer and solvent was the key. I finally got good adherence with scrubbing the floor with said pressure washer and using a lite application of muriatic acid and rinsing well with the pressure washer.
The muriatic acid is fairly corrosive, but used at 1 part acid to 20 parts water, it etched the concrete sufficiently to assure good adherence.
One site says: "...Masonry can be very alkaline, which makes for poor adhesion of paints, etc. Washing masonry with muriatic acid neutralizes the alkalinity, leaving it in optimal condition to accept paints and other coatings. When cleaning masonry with muriatic acid, a powdery residue is left on the surface. Once that residue is rinsed off, you are left with a very clean, coating friendly surface..."
Good luck!
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