Advantages# N$ q: Y0 O$ n& [
Very durable in cold weather 6 A; ~* d! E- I$ s3 ?0 Z1 e% I5 v+ nHigh percentage of recycled material and are 100% recyclable ) E& j, ]' z: \$ d- r% N: J5 Y" _Disadvantages& I( y7 z1 u4 Y3 i! b* `+ R/ K
Rusting (require maintenance to prevent corrosion) 0 P! g: y9 T$ t) ^$ B3 J% ^Copper and lead roofs can be targeted by metal thieves* a; d; ]& G/ w$ x4 R' }9 `
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure* I- |6 c( z* {: [) U3 @3 N
Cellular and radio reception may be negatively impacted
Metal roof ??. b F o: t0 L. k5 G
what's going to happen in a hail storm, will it be very loud ???& M5 v; C" G) R
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 : P% |% z* j4 vMetal roof ?? & n4 z/ }) e) ^6 n7 g; mwhat's going to happen in a hail storm, will it be very loud ??? . U4 z- a* h7 Z9 M! H/ u. P. |/ WSummer raining seas ...
# |, v" y" I2 }, O& ~. z xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.