Advantages" ?$ c0 g" b* a0 d
Very durable in cold weather$ D' y8 o+ V& p
High percentage of recycled material and are 100% recyclable+ _; |1 v8 \" M+ q( j9 E
Disadvantages) X! ~, N# z% v/ F6 v. s6 Y
Rusting (require maintenance to prevent corrosion)2 U0 M3 s3 |. Z& k- [
Copper and lead roofs can be targeted by metal thieves/ u, d/ G1 \' S; X
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 h5 x/ g8 M9 sCellular and radio reception may be negatively impacted
Metal roof ?? ' ?5 }* q+ D/ @: H3 A' Q1 n' vwhat's going to happen in a hail storm, will it be very loud ??? ! B0 N* a$ L+ Q1 M& {0 `0 p; ESummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ( t8 C: d$ h$ f0 n2 }# Y9 fMetal roof ??% |, k$ r3 a# L; D$ `5 u6 D/ N
what's going to happen in a hail storm, will it be very loud ???" m& p/ g0 e& V9 V
Summer raining seas ...
icing 发表于 2014-6-7 22:36 , D$ Z; [" Q- e3 r& \! F! B
Metal roof ?? & ^) C' y# F2 t/ k7 S3 nwhat's going to happen in a hail storm, will it be very loud ??? 5 J' @% }; ]3 J4 N; X* z. x; LSummer raining seas ...
9 O% b7 u. O1 N
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.