TOPIC: I Have An Existing Metal Roof and Have A Question
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Have metal roof and it’s in good condition.
It just needs to be pressure washed and various bolts tightened.
I am wanting to change the green color to grey.
Researching painting the existing roof vs. new roof.
Estimated Cost comparison
Pros cons to painting
I do not know anything of course regarding the chemistry of your current roof, its age or condition. Repainting will void any warranty remaining on the roof. Repainting normally consists of power washing, spraying on a primer and letting it dry, and spraying on a top coat. There are a couple of different paint chemistries commonly used for this. One would be a latex and the other an air-dry PVDF formulation. The latter is superior but generally nether will perform as well as the original finish. Expect to pay around $3 - 4 per square foot of roof space for quality refinishing.
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