Advantages + v7 m6 b! q A' OVery durable in cold weather$ s5 s1 ~8 E2 A, [
High percentage of recycled material and are 100% recyclable ( @+ q( h1 t# d: `' E# n& KDisadvantages / Z, O5 a: G+ f& ]# sRusting (require maintenance to prevent corrosion)4 R- O5 P: v- G9 M x1 r
Copper and lead roofs can be targeted by metal thieves 6 C t( T+ \. cHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 W6 j& o: J8 @5 ?Cellular and radio reception may be negatively impacted
Metal roof ??3 P3 j6 B9 S6 u& `+ }
what's going to happen in a hail storm, will it be very loud ???% e* x- b6 A) I. B
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ; w* M( ^9 b1 H$ N4 k% x! r) l
Metal roof ?? * [! _$ V' k9 \what's going to happen in a hail storm, will it be very loud ??? f# N! N2 U* |9 u* O
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ' c9 ^ J! V0 |. u) V1 \
Metal roof ?? * _6 G: s3 Y/ pwhat's going to happen in a hail storm, will it be very loud ???9 t6 C7 A, i- @! Q; U' N2 Z
Summer raining seas ...
& c& M8 D' P- |9 Hthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.