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Look up "seamless metal roof," where the screws are installed beneath the sheathing. Most metal roofs I've installed use rubber-gasket-screws, but clients that
by ProllyInfamous 2y ago
Look up "seamless metal roof," where the screws are installed beneath the sheathing.
Most metal roofs I've installed use rubber-gasket-screws, but clients that can afford "seamless" do [it will shed water indefinitely, with no screwholes to eventually leak].
- WalterBright 2y agoThe metal shingles in mine have grit bonded to the metal, so one can walk on the roof with much less risk of slipping off. Since it's a recent innovation, I knowingly took a risk on it. I suppose over time the grit will come off, but that won't cause a leak. The asphalt shingles will crack over time, and crack when you walk on them, leading to leaks. I hate the cedar shake roofs, because they mildew and wasps nest in them.
- throwaway48476 2y agoThe metal and epoxy will thermal cycle at different rates. Curious to know how long this will last.
- WalterBright 2y agoSo am I :-) Some things I was warned about but did anyway. The insulation is icynene foam. Some foams disintegrate over time, but this one has not at all. It's far more effective than fiberglass, no breathing in fiberglass, no mildew. I'm very pleased with it. (The GC made me take full responsibility for it!)