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I live in a 100+ year old home with a metal roof that is at least 20 years old. It is painted a red color, which is peeling slightly, but overall good condition. However, we are repainting exterior and want to refresh the roof.
Also, on inspection I found that it had been extensively repaired at some point (I found a wire mesh embedded in hardend rubber) and painted over.
Now for my question - this roof has also been repaired using black asphalt cement, which is not painted over. I am now looking to repaint.
Any suggestions for painting? Do I need to remove asphalt cement or can I paint over?
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It sounds to me like this metal roof might considerably be more than 20 years old.
Peeling is sort of unusual on a metal roof though that has been a problem with some of the older paint finishes. Also, this particular roof has possibly been repainted already in the past.
I'd be a little concerned about disturbing the areas where there are sealants on the roof -- that asphalt cement must be there for a reason.
What you might consider doing, before trying to paint the roof, is getting an experienced metal roofing installer to come look at the roof and see if they have any deas for repairs / alterations which could be made to make the roof more functional and perhaps get rid of that asphalt cement.
Getting paint to stick to the asphalt cement will probably be tough / impossible.
To repaint, I would suggest power washing the roof first to clean it as best as possible and knock off any peeling paint. Then, go to a quality paint store and purchase the primer and top coat which the suggest for repainting metal roofing and siding. Allow plenty of drying time after the primer. Depending upon your roof configuration, the paint can be sprayed or roller-applied.
There are air-dry Kynar paints also available, though they are costly. If you'd like to go that way for a superior finish, most metal roofing manufacturers can help you obtain the paint.
9/1/2002
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Or copy this URL: https://www.metalroofing.com/spirit/comment/973/find/9/1/2002
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Or copy this URL: https://www.metalroofing.com/spirit/comment/976/find/Isaiah Industries, Inc.
9/2/2002
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