Advantages ) ~. o' C6 o" I1 D% m8 T% [! y# gVery durable in cold weather) U" A+ h5 Q1 ~# k7 T! @! ~
High percentage of recycled material and are 100% recyclable - c' E! k4 M) r7 K. yDisadvantages' I7 n) Y3 c% x* D! F
Rusting (require maintenance to prevent corrosion); L( S7 [& I1 y( i7 G& k
Copper and lead roofs can be targeted by metal thieves9 Z) ~ o& T" T4 ]& c8 t6 o( B
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure % l2 o' X) b5 J5 HCellular and radio reception may be negatively impacted
Metal roof ??% P+ }$ n; P3 r9 J6 q2 P5 L6 L
what's going to happen in a hail storm, will it be very loud ??? $ W6 b+ V, H- U( QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 l X6 H* r- ^7 U8 C: p
Metal roof ??" l! e7 y) W' ?8 v
what's going to happen in a hail storm, will it be very loud ??? 0 T' W3 l9 B( M+ _# r! RSummer raining seas ...
icing 发表于 2014-6-7 22:36 6 g& G1 L3 ?3 m, ?; D5 c) T
Metal roof ??, @, H ~* j" T/ \7 p- }
what's going to happen in a hail storm, will it be very loud ???) o0 U+ a; p& i
Summer raining seas ...
$ y# B+ |/ j( h7 a# O, X
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.