Advantages . I. i4 g( ]0 E+ q8 VVery durable in cold weather , L M4 w+ b& }* C' hHigh percentage of recycled material and are 100% recyclable, e- v* Z1 h: n' f) w( Y
Disadvantages ! W9 F$ P& A& kRusting (require maintenance to prevent corrosion)6 [: b# i4 H' g! k' A/ t
Copper and lead roofs can be targeted by metal thieves 3 Y. l7 O( U8 PHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 D% e* K X' {Cellular and radio reception may be negatively impacted
Metal roof ?? 4 W6 H: I' k+ k6 L: l8 ]what's going to happen in a hail storm, will it be very loud ???9 M8 E$ Z$ C( e4 m, Z
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 t( }4 M4 ]5 i* ^ }
Metal roof ??# _8 j) P! N0 a2 I3 Y
what's going to happen in a hail storm, will it be very loud ??? # I. q9 \) T( D& _' D0 g# u9 nSummer raining seas ...
icing 发表于 2014-6-7 22:36 ' G) }* H" j2 a9 h
Metal roof ?? " d# D, {) H7 {/ Swhat's going to happen in a hail storm, will it be very loud ??? # c( o% A+ B" f( F6 ]& ~5 QSummer raining seas ...
" G' g7 Q3 u8 j' I5 U5 V" z2 y* \that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.