Quote:
Originally Posted by cstreit
20%?! Wow. Whats the payback timeline on the treatment? Seems like it wouldn't be that long...
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paint was about 65 a 5 gal bucket 10 years ago
took about 5 buckets to do 1200 sf as it is very thick
we did the painting so under 400 total cost
bills were about 350 before dropped to high 2xx peak summer
a/c is a mid 90's and low er rated maybe 10
problem is the huge royal poinciana tree that flowers
and attracts ants that bring aphids that make honeydew
that creates black mold on the roof requiring pressure washing
after a few years the mold stains the paint to a gray and we repaint
but as the thick paint base is still ok just stained
repainting uses far less thinner normal paint 2 buckets to do the whole roof
and the paint is far cheaper
if you do not have a tree+ant+aphids=staining
it should last longer and require less pressure-washing or repainting