Advantages }$ R0 B% u" ^4 J; uVery durable in cold weather% G$ I6 @6 D1 d! a9 b
High percentage of recycled material and are 100% recyclable ( _+ a' t4 i. T. C5 h3 O( kDisadvantages/ f1 k4 J) J5 |% X* C6 b6 b
Rusting (require maintenance to prevent corrosion)5 l- V" G- s5 l) M& }! M
Copper and lead roofs can be targeted by metal thieves # ]$ f; F3 G5 w* |9 m4 |High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure& O- c2 h$ w r4 F8 \$ y i$ L
Cellular and radio reception may be negatively impacted
Metal roof ?? e. z; c) b' owhat's going to happen in a hail storm, will it be very loud ??? $ T# \+ M0 K: V T9 p( r2 \9 DSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 2 r4 b+ Z; f2 {
Metal roof ??) ?7 J3 S" m- [+ n, V
what's going to happen in a hail storm, will it be very loud ???6 R- j4 e/ Q2 Y3 n/ a
Summer raining seas ...
% i. x+ j7 d- v/ W; dthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.