Advantages # H p6 l" @! _, b% }1 l T; tVery durable in cold weather 1 D& c6 ^0 [$ ~. X) FHigh percentage of recycled material and are 100% recyclable ' S8 ^" [1 \/ \Disadvantages & M& }4 L# b& _0 R3 a( E0 K! eRusting (require maintenance to prevent corrosion) % `; O9 ~ J6 o, l9 y5 a. HCopper and lead roofs can be targeted by metal thieves ! |2 ]6 W, A7 C- K& a; f6 oHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure h& b8 M O4 M5 e% _) i% k$ tCellular and radio reception may be negatively impacted
Metal roof ??% i S" u! m$ {1 C
what's going to happen in a hail storm, will it be very loud ???/ n5 L' A# C, j1 {, j3 H/ @( f
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 9 ?. |# f- |7 ?/ K$ I4 e
Metal roof ?? % G3 Z; u' t4 P, Fwhat's going to happen in a hail storm, will it be very loud ??? ' J; F5 m7 V1 H3 jSummer raining seas ...
9 M! z! [* z, a9 mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.