Cleaning and painting a basement floor.


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Old 04-16-05, 12:28 PM
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Cleaning and painting a basement floor.

I would like to clean a basement floor, approx. 10' x 11'. The floor is real dirty and has rust stains from old paint cans. What I need to know is what is the best cleaning solution to use to get rid of the rust stains and clean the floor so the paint I put on will stick? I do not believe I have any leakage from outside, but I do get a lot of humidity during the summer. I know I'm going to have to use a dehumidifier during the season. I am going to use Dry Lok masonary paint, latex based. That's all I want to do. Nothing fancey, but I want to do it right the first time.

Anybody out there with some suggestions? I don't do this for a living.

Thank you.
 
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Old 04-19-05, 04:34 AM
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I may have misunderstood your post.
Are you planning to put dryloc on the floor? Or the walls.

I personally would not dryloc the floor, or use latex on the floor. Latex is fine on the walls.

On the floor my suggestion for that sized space would be to use an epoxy paint. I painted a floor in Florida with a 2 part marine epoxy, and the floor still looks freshly painted (5 years later), also Rustolium has come out with a nice looking product for garage floors.

But back to your original question..,.the cleaning part.

I just completed a concrete cleaning job, and had to use 2 different agents for cleaning because of ventilation.

1st, in the well ventilated are like the garage, with the door open I would use muratic acid. I did this 2 weeks ago using a 2 gal pump up deck sprayer. I mixed 1.5 gal of water with gal of acid. Sprayed it on, and let it sit for a few min, and then hose it off.
DO NOT let the acid sit for a long time, because it will etch the concrete, and you will be left with a rough floor.

2nd, in areas with less ventilation, I would suggest a concrete cleaner; I bought some at the local home improvement store like Lowes or Home Depot.
I mixed per the directions, and sprayed on with the same sprayer I used to apply the acid (cleaning first of course), then cleaned the sprayer and rinsed twice with water using the same sprayer.
 
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Old 04-19-05, 02:00 PM
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Re. Basement floor cleaning.

Originally Posted by Stevetra
I may have misunderstood your post.
Are you planning to put dryloc on the floor? Or the walls.

I personally would not dryloc the floor, or use latex on the floor. Latex is fine on the walls.

On the floor my suggestion for that sized space would be to use an epoxy paint. I painted a floor in Florida with a 2 part marine epoxy, and the floor still looks freshly painted (5 years later), also Rustolium has come out with a nice looking product for garage floors.

But back to your original question..,.the cleaning part.

I just completed a concrete cleaning job, and had to use 2 different agents for cleaning because of ventilation.

1st, in the well ventilated are like the garage, with the door open I would use muratic acid. I did this 2 weeks ago using a 2 gal pump up deck sprayer. I mixed 1.5 gal of water with gal of acid. Sprayed it on, and let it sit for a few min, and then hose it off.
DO NOT let the acid sit for a long time, because it will etch the concrete, and you will be left with a rough floor.

2nd, in areas with less ventilation, I would suggest a concrete cleaner; I bought some at the local home improvement store like Lowes or Home Depot.
I mixed per the directions, and sprayed on with the same sprayer I used to apply the acid (cleaning first of course), then cleaned the sprayer and rinsed twice with water using the same sprayer.
Thanks for the advice Steve. I guess I will go to Home Depot and get some epoxy paint and look for some concrete cleaner. It is down in my basement and is not well ventlilated. It has no opening to the outside. So I will pass on the muriatic acid. I will look into what rustolium has to offer.

Thanks again for the advice.

Smart Homeowner
 
 

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