The roof is flat and slants so that water can go down a drain at the lower corner of it. At the other corner the roof sags a bit so that water collects there when it rains even after the water has drained. Would silver coating that sag with more coats solve that problem? Also, I don’t know how to silver coat. Is it only a matter of painting with paint rollers after cleaning the surface?
Answer
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its like painting only thicker coats
you can use a roller, a squeegee, or a brush
Source(s): old timer