Quote:
Originally Posted by GreenThunder
Hi, the title pretty much says it all. I have seen a lot of people using various elastomeric paints but I havnt found to much information on how you should prep metal for it. I was planning on just sanding the yellow roof with 200grit and then 400 and after that slapping on the elastomeric paint (2-4 coats depending what it looks like). Does anyone have any preparation recommendations for applying elastomeric paint to a bus roof?
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First of all clean the roof. Tar, oils, dirt, SAP... All will make elastomeric not stick.
Second - every coating is different. Some require a base or prime coat, some can go directly on the roof as is.
It wouldn't hurt to give the roof a quick scuff with some steal wool or sand paper.
Third, don't do it in direct sunlight or at the hottest part of the day if you can't find shade for the roof.
And finally, a good roller nap makes all the difference. Buy the better quality roller cover. Generally 1/2" to 3/4 will work the best.
If you are going to a point and making a hard line... Put the tape down the same day you paint and pull it as soon as your done.
Get a 4'-8' extension pole, not a broom stick. The extension pole doesn't give and puts uniform pressure.
So to recap my long winded post...
Read the can and follow the manufacturers recommendations. Buy the paint at a paint store. If the directions aren't clear call them. They will be able to help 99 out of 100 times.
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