Garage Floor

G

gnosh

Active Member
whats the best way to paint a garage floor if rooms have already been built? do I need to sand the floor, no stains was built 5 years ago, or can I wash it then go paint. was going to paint white.
 
I would suggest a sealer and primmer made for concrete as well as the paint, chances are if you use anything else it will chip and peel up pretty easy.
 
I agree with Buddy, seal it first then paint; or you could be lazy and just lay down some panda film.
 
got a paint/sealer combo made for garage floors and plan on using primer first too. Was more questioning do I need to sand the floor or just wash it. Read a few things and seems the the sanding is the best way to go to insure the paint sticks.
 
The better paint stores should carry a two part epoxy coating. It's usually used in commercial applications and is impervious to chemicals. I used it in my house and it is virtually indestructible! I've dropped tools, bike parts, etc. on it without so much as a chip.
You mix the two parts and let it sweat a while before rolling it on. It has to cure 24 hours before walking on it. I highly recommend it for a grow room as nothing can seep into the concrete. It works perfectly in mine and has for six years. I'm sure there's many manufacturers out there with a similar product. Good thing since I can't remember the brand.
Fred
 
If its a bare concrete floor, I'd scrub it with a good degreaser, then use some Muriatic acid on it. Not the most pleasant of jobs, but the paint will stick. Use a good epoxy based paint.
 
gnosh said:
got a paint/sealer combo made for garage floors and plan on using primer first too. Was more questioning do I need to sand the floor or just wash it. Read a few things and seems the the sanding is the best way to go to insure the paint sticks.
Click to expand...

Pressure wash it, then apply....sanding a garage floor?.

How does one do that without a sandblaster?
 
Jack Harer said:
If its a bare concrete floor, I'd scrub it with a good degreaser, then use some Muriatic acid on it. Not the most pleasant of jobs, but the paint will stick. Use a good epoxy based paint.
Click to expand...

the acid is water soluble after its done its job cleaning the floor dilute it with water after it dries its ready for paint
 
robert 14617 said:
the acid is water soluble after its done its job cleaning the floor dilute it with water after it dries its ready for paint
Click to expand...

Why would one treat a concrete floor with *no stains utilizing acid?....assuming the OP meant no oil stains etc.

Otherwise, use the acid.
 
Sunbiz1 said:
Pressure wash it, then apply....sanding a garage floor?. How does one do that without a sandblaster?
Click to expand...
elbow grease and a hand sander... no friends with tools or money too rent tools plus in a closed room.. Their are no grease/oil/etc stains on the the garage floor. Any thoughts on the sealer/paint I bought. I am 1/2 way done sanding and would love to get the paint down asap.
 
gnosh said:
elbow grease and a hand sander... no friends with tools or money too rent tools plus in a closed room.. Their are no grease/oil/etc stains on the the garage floor. Any thoughts on the sealer/paint I bought. I am 1/2 way done sanding and would love to get the paint down asap.
Click to expand...

I'm looking at that right now. I used to estimate paint, but don't see an epoxy available at Lowe's...which would beat that acrylic. And sanding a porous surface(concrete)does not help with adhesion..that's for drywall, wood, plaster, metal.
 
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