Advantages, E+ T/ F3 K. {" z, l
Very durable in cold weather( r6 O0 o4 m& \* m- ~" G4 @) Y! X
High percentage of recycled material and are 100% recyclable 3 [/ ]" f$ `' _8 Q# e1 D0 C5 NDisadvantages * ^6 `4 ]8 G4 q9 s; |! _Rusting (require maintenance to prevent corrosion)# ?3 g6 ?2 z0 I! o, n2 a; g- ~! O- K
Copper and lead roofs can be targeted by metal thieves! H' a' X) n" Z6 E9 a( t8 F
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure$ P$ t+ g4 n- l) K; Q% {) {) o! l
Cellular and radio reception may be negatively impacted
Metal roof ??, \- l9 O1 A5 \- ?$ d4 W' [% I4 q
what's going to happen in a hail storm, will it be very loud ???9 M# k% m6 M9 B2 X; K+ R8 Y
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 8 N7 C) A0 M) PMetal roof ?? & A2 E& J. S* uwhat's going to happen in a hail storm, will it be very loud ???3 g+ B0 n8 O& f; t5 M9 r
Summer raining seas ...
icing 发表于 2014-6-7 22:36 - K& a# `4 n& N) }6 C: n
Metal roof ??5 M( n. \; I: |& t9 R
what's going to happen in a hail storm, will it be very loud ??? 3 P5 [( u! P3 X" E3 ?Summer raining seas ...
3 o+ l2 h4 y& S& I
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.