Advantages 6 [ O0 ]( N/ M. f7 A) Z1 rVery durable in cold weather3 e" H, ~; B9 w A: x3 H% F; Y
High percentage of recycled material and are 100% recyclable0 ?. W- ]! X/ S/ P$ E, u& X
Disadvantages % r5 C" o8 i# v" R/ F! `- sRusting (require maintenance to prevent corrosion) + L6 l/ O% m8 X, _2 |( l9 |# o" aCopper and lead roofs can be targeted by metal thieves: D6 {( r$ i1 n+ z, _( u4 f& \
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 v5 a, j% h# ~2 {. n; a% S3 _4 \Cellular and radio reception may be negatively impacted
Metal roof ??& S/ }( X9 h3 T
what's going to happen in a hail storm, will it be very loud ??? ! `& V. v0 ~; U z aSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # f* b: D2 r- \# k2 K! p7 _1 n4 g7 x8 UMetal roof ??7 H- T' j# z5 D* z/ v! ^* L
what's going to happen in a hail storm, will it be very loud ???0 E/ B2 e, U$ S' z
Summer raining seas ...
icing 发表于 2014-6-7 22:36 9 ~) R9 N x) H: J v# EMetal roof ??8 s* w2 ~: F9 x$ I' Q! J e! D
what's going to happen in a hail storm, will it be very loud ???, M7 j( [% v" A
Summer raining seas ...
* ^1 R. a! N) e8 b: V: l7 ithat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.