Advantages ! Y1 ]( w- Z" M8 m# gVery durable in cold weather / a3 H4 ?! L$ d M2 d) O6 ~High percentage of recycled material and are 100% recyclable. V% t9 }$ W; b }
Disadvantages/ X4 w8 o1 b( k4 i) ^
Rusting (require maintenance to prevent corrosion) l5 [2 [$ n$ j& [ y/ G0 B
Copper and lead roofs can be targeted by metal thieves8 P/ P5 ^) H7 w7 j
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure! D, @$ f) h; e+ z0 t* F
Cellular and radio reception may be negatively impacted
Metal roof ?? I$ {, k* Z( }. n- J
what's going to happen in a hail storm, will it be very loud ???8 X3 j4 {0 C& k. T2 \
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 g. ?& |" l3 x7 i, ~Metal roof ?? & S# `1 E! R4 g! o9 w8 Hwhat's going to happen in a hail storm, will it be very loud ???, F. v* y, H; B6 n, P7 A
Summer raining seas ...