Advantages) x+ M* p/ R2 D L* Z& {
Very durable in cold weather, @/ g" l( s% w& H
High percentage of recycled material and are 100% recyclable: k- U3 Y o5 b4 }# Y/ ]1 c1 p
Disadvantages / L( P, D7 v0 O: l+ j7 r, xRusting (require maintenance to prevent corrosion) % H0 n! y8 B w; g6 v1 XCopper and lead roofs can be targeted by metal thieves% F. J t/ Z5 w) ?' y
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure - z7 h% V9 S% ICellular and radio reception may be negatively impacted
Metal roof ??9 ]4 P% s$ x1 C7 ^# w
what's going to happen in a hail storm, will it be very loud ???% q8 g% i5 e$ H
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 t+ \2 h+ A5 v4 `1 ]8 s
Metal roof ??/ G$ R( O2 t/ L# k
what's going to happen in a hail storm, will it be very loud ???: m- y# k% C: w" _% r. v
Summer raining seas ...
icing 发表于 2014-6-7 22:36 + S7 `5 q' O& `! w1 P0 w% A+ v- y0 u* o% j
Metal roof ??) N7 L, M6 _( V7 j
what's going to happen in a hail storm, will it be very loud ???8 {* x' r. B* O2 J; ~, V. x
Summer raining seas ...
5 r# n+ g) K; L
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.