Advantages 0 m: j. _! B8 n2 E: h1 g0 Y' RVery durable in cold weather) k+ B7 B j2 G' S8 c0 x5 E
High percentage of recycled material and are 100% recyclable: p4 p! \# l' d8 M- f+ G. A
Disadvantages% g% Y* }1 O4 Q9 L( t- b
Rusting (require maintenance to prevent corrosion) + h: m* H: G/ ?4 M( fCopper and lead roofs can be targeted by metal thieves$ Q, ` y) Y- x- [! f# u
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure7 q) a. P2 h7 Y: o0 E) ?( s6 c2 l- C
Cellular and radio reception may be negatively impacted
Metal roof ??. q: O$ ]3 _, }+ O( o! E3 ?% v I
what's going to happen in a hail storm, will it be very loud ???- e# C, t7 }" Q% k9 A
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; w. B, R- S8 l: @) c% yMetal roof ??4 T+ p/ ^8 }0 k6 k& Z& ?: f/ E
what's going to happen in a hail storm, will it be very loud ???) ~# ]2 Z |# `, q3 k7 b6 B
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ( J, Q) {2 S1 H8 z* M6 V1 A UMetal roof ??6 Q) ]- f# w2 R/ c, c/ X$ r5 A
what's going to happen in a hail storm, will it be very loud ???7 `5 o7 I, v$ p- M
Summer raining seas ...
9 f$ S5 w% |, L' X$ F; t' Z" ?, [4 ?that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.