Advantages' n/ ?7 e0 T9 K
Very durable in cold weather " {0 C9 E5 n( q& t. a, fHigh percentage of recycled material and are 100% recyclable ' N% i( l/ S" g9 r& gDisadvantages ' o; p% j1 M7 U. URusting (require maintenance to prevent corrosion) " O9 E/ g1 G: J& l# g, ^/ T+ PCopper and lead roofs can be targeted by metal thieves8 T7 b. @' P& s6 d0 ~$ L
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure9 b/ I/ J) n% O0 O1 }
Cellular and radio reception may be negatively impacted
Metal roof ??) F6 c0 J& t% X4 O6 m. d+ E" H0 ^
what's going to happen in a hail storm, will it be very loud ???3 i9 _& p. |! n& x' O6 P
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 A0 v& m8 M, j- b2 N3 uMetal roof ?? / h! k" q( r+ e$ Iwhat's going to happen in a hail storm, will it be very loud ???; j- m& A0 K4 L% E$ h
Summer raining seas ...
icing 发表于 2014-6-7 22:36 % P5 e+ w# a1 H9 r
Metal roof ??( J7 s' x# E2 Z% {9 I* x9 l
what's going to happen in a hail storm, will it be very loud ??? , G# B$ g' e; N p9 HSummer raining seas ...
% z( f3 u% `2 |( H' r! ]# p' kthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.