Advantages " O/ m0 D! Q- [% {& T; PVery durable in cold weather+ B! t) D( o% m3 f! o! @- Y* _# ?
High percentage of recycled material and are 100% recyclable , @+ K, d0 R) l! y: p/ C, I- VDisadvantages " {0 i$ D. l8 i) w, r* N; ZRusting (require maintenance to prevent corrosion) , V7 K$ y# M4 ^# d. VCopper and lead roofs can be targeted by metal thieves- y* Q" f& k8 o5 C- D5 o) @
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 5 M% J# h+ ]) D* V& wCellular and radio reception may be negatively impacted
Metal roof ??4 p/ [5 S+ s1 `! J( A
what's going to happen in a hail storm, will it be very loud ??? . i& `# q- G/ z x6 S, ]3 xSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 3 {6 s5 G* k S
Metal roof ??3 w. x' z+ o5 L/ N
what's going to happen in a hail storm, will it be very loud ??? ) n4 y* f0 ]" C* S3 jSummer raining seas ...
icing 发表于 2014-6-7 22:36 2 \; P9 b0 I! Z) y3 g( I1 DMetal roof ??8 H, N2 u! ] L% \& W+ L$ W
what's going to happen in a hail storm, will it be very loud ???- H$ h, p2 K% X L f6 t
Summer raining seas ...
7 |/ o$ f2 {0 l& l5 T! ^) \that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.