Advantages3 Q' D/ c# r4 U7 I
Very durable in cold weather 6 w) f) q7 y. _7 k- Z) oHigh percentage of recycled material and are 100% recyclable & k1 K% E) P a2 dDisadvantages ~- y) z9 E' e" {. G) w; p
Rusting (require maintenance to prevent corrosion)9 Q5 e) Y: a# z* o) N$ e
Copper and lead roofs can be targeted by metal thieves ) P4 E/ |4 p9 p4 }+ V1 D! sHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure: c9 n, B" n& T6 W2 e2 V F
Cellular and radio reception may be negatively impacted
Metal roof ??, k, g/ Y: N/ D, Z
what's going to happen in a hail storm, will it be very loud ??? ! ~9 @" H2 `6 d% ^Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & o4 Y5 |2 C9 B, U! kMetal roof ?? . n( M: ?# e, }- Bwhat's going to happen in a hail storm, will it be very loud ???# s( ^$ z% d- H8 o' a% M8 c" N" a
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ) e# _* }8 W& tMetal roof ?? , ?, { v/ K0 }1 x/ Awhat's going to happen in a hail storm, will it be very loud ???5 n: W/ N9 ^" g+ X
Summer raining seas ...
& k; N5 c4 S0 b; } {& w* Athat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.