Advantages $ S$ l- V# @, l$ T# h* yVery durable in cold weather) z8 s4 F- x0 o w* L( h
High percentage of recycled material and are 100% recyclable9 J9 W4 h: i& {
Disadvantages9 w) u+ [7 e4 s: V# m1 X' Q
Rusting (require maintenance to prevent corrosion) ! z9 V( ^* H* l% sCopper and lead roofs can be targeted by metal thieves+ ^# C% X9 g' t2 e6 l
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. X8 Q. o7 I5 E1 q* S) s
Cellular and radio reception may be negatively impacted
Metal roof ??3 P6 `# G$ w! j3 w
what's going to happen in a hail storm, will it be very loud ???4 [# q$ b5 N9 H- w- }7 R
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " q- y9 G0 H6 C. g( oMetal roof ?? % ~$ D& E6 e. _( k$ ?what's going to happen in a hail storm, will it be very loud ???6 O' I N: B3 d' G* f! |/ E# j( h
Summer raining seas ...
icing 发表于 2014-6-7 22:36 : ?2 f$ j* Y0 j: \5 w/ D* x" H
Metal roof ?? x8 k: e$ }% ^2 fwhat's going to happen in a hail storm, will it be very loud ??? 4 m5 s6 E b% h4 g6 JSummer 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.