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I live in Lauderdale, 2.5 miles from the beach. I replaced my asphalt shingles with metal. Stripped everything to plywood. Trusses were strapped but added a second strap. Top 12”s of block wall is poured concrete. Put a vinyl moister membrane down on top of first layer of plywood, 1” of foam next, another layer of 3/4 plywood screwed into trusses with 6” screws, another moisture membrane and then a metal roof with a lot of screws.
Power bill is 50% less and if a storm can take off my roof then probably the least of my problems as I doubt much will be left anyway. The extra foam and layer of plywood was not much more and the house is also really quiet inside, also have impact glass.
If you have poured concrete on top of your wall and strap the trusses you are off to a good start. I would not use asphalt shingles, they will blow off and absorb heat like crazy.
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Chris
89 930, 87 930, 86 930 Ruf BTR tribute, 89 Ruf CTR tribute
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