Advantages* a; ~' w, `4 P
Very durable in cold weather 5 H! f+ h* J2 F* E7 [1 dHigh percentage of recycled material and are 100% recyclable & X c, L3 a2 k6 y/ ^: B8 aDisadvantages4 E7 w9 C; m+ A Y% I3 v [
Rusting (require maintenance to prevent corrosion)# Q) e8 s' ^. q1 x9 u. l
Copper and lead roofs can be targeted by metal thieves $ D( ]/ ?0 p- Y u YHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure `- `; d% U# S
Cellular and radio reception may be negatively impacted
Metal roof ??# P9 j1 T7 n O, }8 H) Y
what's going to happen in a hail storm, will it be very loud ??? " _. k, b& F$ F9 jSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 2 b9 F, d9 Q" R# m+ |
Metal roof ?? % I: V* M; U, {2 ]what's going to happen in a hail storm, will it be very loud ???5 Z. g) ?; l1 H, v) O0 H* F' n
Summer raining seas ...
icing 发表于 2014-6-7 22:36 " h. A2 g% w: H( S" w8 DMetal roof ??! p% X8 B0 K8 s: a3 \0 q5 m4 Z
what's going to happen in a hail storm, will it be very loud ???* s- Z, U8 J; O# W& S* q
Summer raining seas ...
1 L, N: t; W( U* _) }) U4 H7 V1 Fthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.