Advantages: Z$ l% o* j- _+ n; x8 r
Very durable in cold weather 2 Y3 h W; o1 c% {: `5 ZHigh percentage of recycled material and are 100% recyclable. m4 `/ W, ~- Y- F* R; H
Disadvantages ) c$ ?) i* O* URusting (require maintenance to prevent corrosion) ' O5 W9 [3 M# z3 D5 CCopper and lead roofs can be targeted by metal thieves! o2 t! ?7 ?* i6 k
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ) @ N6 k9 E# C. c3 n/ o: G, r9 LCellular and radio reception may be negatively impacted
Metal roof ??+ }# y" n& w* n4 ]* W( H. @8 W
what's going to happen in a hail storm, will it be very loud ???$ z) g' i Z. z. u* R
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . q, |$ x! ?' K2 a+ L& V6 Y% r6 R
Metal roof ?? 0 Q6 U7 |: t$ }+ I8 e5 pwhat's going to happen in a hail storm, will it be very loud ???; d7 ^0 n, S! R% t, k6 T
Summer raining seas ...
icing 发表于 2014-6-7 22:36 8 @# q E/ u% [! a* ZMetal roof ??8 ^, R8 t6 R! R, I2 o6 W( ^
what's going to happen in a hail storm, will it be very loud ???) T+ M: v u7 z
Summer raining seas ...
2 h& G; ^$ K5 s/ ]6 k) nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.