Advantages3 X% n( D6 q( b$ X4 a- j
Very durable in cold weather 7 {; J0 P5 T3 e5 {) W- ~High percentage of recycled material and are 100% recyclable( k# U: j/ p: ]( ?/ m8 t
Disadvantages5 Q a2 \# X* V" s! L( N
Rusting (require maintenance to prevent corrosion) 2 ^, Q) M$ f$ h4 d! p" _Copper and lead roofs can be targeted by metal thieves. n1 i8 [+ Y% ?- {* ]) i
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( g4 M5 o+ ]& E0 L
Cellular and radio reception may be negatively impacted
Metal roof ??1 u- |. q, g7 F+ `
what's going to happen in a hail storm, will it be very loud ??? w. h I( s7 b% ^$ w
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 3 M/ V4 ?8 u# [' u
Metal roof ??% F0 G2 R9 ^1 `& \
what's going to happen in a hail storm, will it be very loud ???) ]7 E# c( I" @+ `$ _( J* o
Summer raining seas ...
icing 发表于 2014-6-7 22:36 % i' D, S7 S7 v4 v" e
Metal roof ??- J9 @, \8 D7 m- Z) ~% ?
what's going to happen in a hail storm, will it be very loud ??? ' \6 Q0 L' {4 c5 m) w& o8 d. vSummer raining seas ...
. x" V& A6 l3 r. y7 P9 Q$ othat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.