Advantages : m8 Y* Z" Y, u' Q6 l" c; E4 L1 eVery durable in cold weather * X/ x ?, E0 vHigh percentage of recycled material and are 100% recyclable) H! N+ h1 T# u
Disadvantages ! q; ?0 C, G+ A1 H9 ZRusting (require maintenance to prevent corrosion)- e) w; x0 I- m0 e. {
Copper and lead roofs can be targeted by metal thieves7 m W8 [/ F7 i. \# H8 W* D
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ! K& {, `) v' X0 X: H) Q6 H7 eCellular 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 ??? 3 M. a5 j' j) b- R- \3 d; @6 vSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * _2 t M* J# { f* P7 W, G
Metal roof ??$ c; I7 g! s2 v) w! @
what's going to happen in a hail storm, will it be very loud ??? . v8 s) J5 B. ~# {( PSummer raining seas ...
icing 发表于 2014-6-7 22:36 # g7 ]# c$ w! M c( d) t
Metal roof ?? * B" R: l1 W2 M9 Z" |5 O( x. Z) V& p/ swhat's going to happen in a hail storm, will it be very loud ???; r5 l2 X: X& T/ a/ x
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.