Advantages9 n% b4 d+ E' D; ]. k7 X) f6 V$ n
Very durable in cold weather# |5 o( G1 d: j `- S6 f
High percentage of recycled material and are 100% recyclable 3 e$ Z9 ^1 B ~4 g oDisadvantages $ U( f, p% a* z4 Z: ]Rusting (require maintenance to prevent corrosion) $ x V5 Q+ Y4 L+ p$ j! b' n, ZCopper and lead roofs can be targeted by metal thieves2 Q! [9 z4 `. N6 ?0 z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure # D9 E8 h8 L' K" v/ [9 O7 O& vCellular and radio reception may be negatively impacted
Metal roof ?? 3 ~5 }4 v0 U5 `) uwhat's going to happen in a hail storm, will it be very loud ??? " |/ k" G+ S7 {+ k# ?- g1 j/ eSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 m9 ~* _+ Q3 g( s. b+ n6 }) M
Metal roof ??3 u) C4 L( a# Z% D: h- T
what's going to happen in a hail storm, will it be very loud ???4 ~% [9 n' J/ Q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 H8 X5 D6 f- Y; oMetal roof ??7 m& [* s+ ^, ?
what's going to happen in a hail storm, will it be very loud ??? # B$ |0 A' U6 {1 MSummer raining seas ...
; s7 J% \& \9 t$ Bthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.