Advantages . w. D8 L8 \; d" N+ g4 o3 v0 L3 LVery durable in cold weather . k' r$ Z( s' G5 O! {0 h3 E' G" n+ _High percentage of recycled material and are 100% recyclable 8 ]0 g. c$ j& O$ W4 m0 ^! PDisadvantages. z9 Y# ~' Q) L9 i, u
Rusting (require maintenance to prevent corrosion)7 k X8 |2 D; B4 S, s
Copper and lead roofs can be targeted by metal thieves- F6 I. M; f# x4 ]# a9 d+ O& ?& {
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure. v: ~ c; t! d% I" z8 g3 @4 a8 M
Cellular and radio reception may be negatively impacted
Metal roof ?? , K! ~8 u; \* J/ Y/ u1 q4 Wwhat's going to happen in a hail storm, will it be very loud ??? 8 z& Q) j. e$ f! J, f0 DSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . N4 O2 M+ o- {+ P
Metal roof ?? ) |0 N6 q7 }* hwhat's going to happen in a hail storm, will it be very loud ??? : C8 ^: T. P' C6 T! @Summer raining seas ...
icing 发表于 2014-6-7 22:36 ' q: c. o$ W# H2 ^, K4 f6 h
Metal roof ??4 D3 u0 o8 j F+ Y! c
what's going to happen in a hail storm, will it be very loud ???6 X; h/ O9 z, e2 g4 ]
Summer raining seas ...
0 Y2 F& X) I2 W4 x3 m9 M) Mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.