Advantages 5 Y/ `4 u. ^4 Z; ?, V) w( kVery durable in cold weather ( \: ~1 u' Z$ Q: P8 F# iHigh percentage of recycled material and are 100% recyclable) g+ p: `4 t* h; X
Disadvantages ' t& M# ?5 A; V( H; W l* V4 PRusting (require maintenance to prevent corrosion) 9 O" k/ p$ H6 P' ~9 Q4 oCopper and lead roofs can be targeted by metal thieves+ t/ ?4 q ^% Z7 y* o+ o
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. q- H& s5 R8 d: ^) I
Cellular and radio reception may be negatively impacted
Metal roof ?? * J( s% J# E1 Awhat's going to happen in a hail storm, will it be very loud ???: \6 b" n8 E, ^8 S, ^
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & y- j) E* s) v. a9 W S0 J
Metal roof ?? & W0 q: ]7 M5 j C/ j0 Z3 e* Hwhat's going to happen in a hail storm, will it be very loud ???; U. O _* |. G O, J
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) T1 W0 \; h: p+ T
Metal roof ??9 Q6 E7 `; `$ s5 d3 P z* w# k
what's going to happen in a hail storm, will it be very loud ??? + k3 m2 A n. b! }% P( A: _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.