Advantages, i' @& A! ]& ^& ]3 c
Very durable in cold weather, L# e# [* z7 I1 I8 L9 n Q
High percentage of recycled material and are 100% recyclable & e+ `0 m8 u1 z( {+ d9 d6 w1 VDisadvantages 8 b6 L$ g9 g5 oRusting (require maintenance to prevent corrosion)' u8 n% [. s3 o* R
Copper and lead roofs can be targeted by metal thieves : q& T% ?$ B) L$ \6 w2 T+ UHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure , Q) v% C- A' u0 b1 t+ r+ PCellular and radio reception may be negatively impacted
Metal roof ??2 s$ j, L( y2 ^* q+ |
what's going to happen in a hail storm, will it be very loud ???& F3 ]' G+ R9 A- V5 B/ w* s
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ]1 f& K$ d* n: o) e( D
Metal roof ??' o' _4 ]; k7 Y g; T* i1 P
what's going to happen in a hail storm, will it be very loud ??? 1 u B4 _, q) e+ B; z) H. sSummer raining seas ...
. }" W" E, M$ {" l$ O% M9 C( Z; Ythat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.