Advantages ( H) V7 {- {! p/ a6 o6 ^* KVery durable in cold weather & K/ u! g1 {5 [& H) r8 D5 VHigh percentage of recycled material and are 100% recyclable 7 u* r O. m# }/ D/ E; j" b, @. q+ ODisadvantages $ v8 I; s, Z, U3 g- F; ARusting (require maintenance to prevent corrosion) ' F- I8 N1 n' Y" J8 a" BCopper and lead roofs can be targeted by metal thieves & {& V5 s! z7 p7 _ X: DHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure- B/ _+ _1 m- G; k. X
Cellular and radio reception may be negatively impacted
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what's going to happen in a hail storm, will it be very loud ??? 0 C: P6 a1 d5 VSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' `9 n; z! M. e8 w( D
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what's going to happen in a hail storm, will it be very loud ???; q, ], C8 U% d* H6 g* T2 m
Summer raining seas ...
icing 发表于 2014-6-7 22:36 : Q' p/ E/ v' L TMetal roof ?? 7 S- h, q6 d/ ^6 J# y8 Twhat's going to happen in a hail storm, will it be very loud ???1 \" P2 K$ X$ ^: b3 I
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.