exterior house painting

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  #1  
Old 03-31-05, 01:36 PM
dftodd
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exterior house painting

Hello , I am new to this site can anyone help me with some painting questions. I am getting ready to paint exterior of home. The house has never been painted before, the exterior is cement asbestos shingles. I need help with the correct way to prep, what type of paint would be best & will the paint harm the metal the shingles attach to. Any help would be appreciated.

Thank You,
dftodd
 
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Old 04-01-05, 07:06 AM
M
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First you need to clean the surface well. Probably use TSP although you may get good results with laundry detergent. Then prime with a good primer like loxon and finish with good quality latex. I'm not sure I understand about the metal the shingles are attached to.
 
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Old 04-01-05, 08:52 AM
dftodd
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exterior painting

Each row of shingles are supported underneath by a metal ridge which runs the entire length of the row. The metal appears to be aluminum, I was concerned the paint could have some type of reaction that could cause a rusting appearence. I know aluminum is not supposed to rust, and want to avoid future problems . Thanks for the advice.
dftodd
 
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Old 04-01-05, 07:17 PM
J
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I would put tsp on then power wash it off (not too much pressure). This will give a nice clean surface. Any mildew clean with a bleach and dish soap solution (h20 75%,bleach 25%,dish soap-squirt). Add Flood's "emulsabond" to your latex finish coat to paint and prime in 1 step. This gives you some of the advantages of oil (emulsafied oil),which is better penetration and grip. If the metal is steel and exposed, the waterbased products may start it rusting.
 
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Old 04-01-05, 07:45 PM
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Word of caution on mixing dish detergent and bleach. Most of the new formulas have a warning that says not to mix with chlorine. They may have an ammonia base or content. If you can find one, the older style of non-ultra detergent may not have the warning and ammonia content.
Good luck with your project.
 
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Old 04-02-05, 08:23 AM
M
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If the metal is alum, latex will do well, if it is steel use an oilbase primer on the metal first.
 
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