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I am going to paint my garage interior walls.The outside walls are concrete block and have never been painted.The ceiling and back wall is textured drywall and has never been painted.I have water ran out there to wash vehicles so it gets a little humid at times.I just want to brighten it up and give it a clean (white) look.Any suggestions on the best brand or type of paint sure would be appreciated.Any other advice would also be appreciated.Thanks!
I don't have an answer but I do know how I would approach it, besides asking here. I would go to a REAL paint store, not a big box or Sears, but a PPG or Sherwin Williams, where the pro painters get their materials. I would ask them the question. A full service real paint store has many materials available to solve all kinds of problems.
I had a garage that was lined with tongue and groove western red cedar, the 1920's equivalent of cheap plywood. I took a sample of the wood to a real paint store and the end solution was NEVER PAINT THAT WOOD. The paint will not stick, and will peel off because of moisture transfer problems. The answer was to use a white stain. I did that, job turned out just like I wanted and I had no peeling problems.
Well interior paint is a no-no for your application, wont last a year. You want an exterior paint if you want a cost effective solution that will last a while. Now If you want the correct paint You need to find a concrete paint thats a 2 stage application. One stage etches/cleans the material yours being cinder block shouldent take alot of it. Then just paint a couple layers when it dries paint it again. They sell this paint in all home improvment stores usually comes in 5g buckets and is one the lowest shelf or floor beneith the painting solvents.
I would suggest using exterior grade house paint, it can take the water overspray, just like rain. Prime everything first so it will adhere, particularly to the block. Sorry to disagree, but i don't think you need special paint for the block. I have done reg. exterior and it has stood the test of time without the extra expense. I would use the two part paints if i was paint block exposed to the elements, but unless you put a pressure washer directly on it, you'll be fine.
If you are not super particular about color, you can save money by picking up mis-tint paints for $5/gallon. I have mixed a bunch together to get a color I can live with. Try shopping it for awhile to get the right colors.
BTW, This would a great project to buy an airless sprayer for, if you don't already have one!
Last edited by Ed Willmott; Mar 26, 2005 at 12:54 PM.
Well like I said you could use exterior paint. But when you use a power washer and are under constant high moisture condidtions it wont last as long as paint made for that application. My neighbor has a block fence painted with exterior paint and it starts to flake about every two years.
To be honest I'd probably take the cheap way out too.
Here in FL we always use a concrete sealer over raw block first. I rented a building that had been painted, but not sealed. In driving rain, the block would actually get damp on the inside, and it actually turned green with algae in a few years. I like a semi-gloss or even gloss in a garage. My flat white walls show every touch. I need to get out there and paint, come to think of it.
I was told a sealer type paint would be best, however this block is mostly above ground so I am not sure it is necessary?Only a garden hose is used for washing vehicles.I first thought using a regular exterior house paint would be okay, but should I go ahead and spend the extra money and put a sealer type paint on?What is your opinions on that?Also, what brand Paint would you recommend?Thanks to all for taking the time to help me out here. PS I will not use flat paint due to the fingerprint concern.Thanks Again!
The interior is finished in 3/8" OSB. With the lights, the white primer really brightend things up. I wouldn't go with a gloss because it would glare too much. Maybe a Matt lustre. I used an exterior latex primer and it holds up very well to water spray. It's about the cheapest thing you can spray yet still last. And if you mess it up with something, it's easy and cheap to reapply. I bought it in five gallon mix. As for brand, I don't know that any primer is better than the other exept for KILZ. And that takes away the cheap part. I used Pittsburg.
It depends on whether the outside of the building has ever been sealed, too. Kilz is great stuff to seal block with. I think a gloss or semi-gloss will give you some protection from casual splashes, too. Here in FL we have a terrible humidity problem, so we have to work harder at it. And a basement would simply be an inground underground swimming pool!