Advantages8 \( h; t% L. z! G, n" Y8 h
Very durable in cold weather% O9 \. j$ Q# l8 F0 o
High percentage of recycled material and are 100% recyclable& X3 ]6 _1 D& A$ I* R! z; g$ a
Disadvantages9 N& D& Q, R; a0 h* r
Rusting (require maintenance to prevent corrosion) ; |% f' H8 L* }. f& V6 c* `. N6 }Copper and lead roofs can be targeted by metal thieves7 A* x3 r$ d' o4 X/ c+ k7 q/ c
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure: m" m( a8 o! F U& x; M
Cellular and radio reception may be negatively impacted
Metal roof ??0 L1 P+ R9 `; Y$ S! o; t! q
what's going to happen in a hail storm, will it be very loud ??? + k& \* I# J! QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - C4 Q! z& Y v0 f. f6 H
Metal roof ?? - \% @, T0 j3 `& }what's going to happen in a hail storm, will it be very loud ???& b4 u& ]0 v8 ]- w# E7 o( s; y* G
Summer raining seas ...
icing 发表于 2014-6-7 22:36 5 l W' u" F( x! Z3 J
Metal roof ??8 e' B$ o0 c; B7 B( X# A* a
what's going to happen in a hail storm, will it be very loud ??? % i9 ~+ B/ {1 \ e+ O* F! x# GSummer raining seas ...
$ U$ I6 n+ c. @0 ^% D
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.