Advantages1 k- B- Z- t0 F# A! h9 S
Very durable in cold weather 3 j, ^" `. I! j. S5 v3 P/ |High percentage of recycled material and are 100% recyclable# m+ {8 k* e' E- A. P
Disadvantages / {# @7 F8 f6 E* QRusting (require maintenance to prevent corrosion)4 C% i& @( a. r
Copper and lead roofs can be targeted by metal thieves) {, L) M! C5 q4 c! _
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure) \ ]# }% J; y2 ]/ a: o3 |
Cellular and radio reception may be negatively impacted
Metal roof ??' b+ }7 k% v6 d* @4 G8 U
what's going to happen in a hail storm, will it be very loud ??? 2 n$ U+ m, g, o" `2 x4 s* QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * `7 l2 t$ V* c9 B
Metal roof ??& E6 Q9 m7 I/ w% g' {
what's going to happen in a hail storm, will it be very loud ???- y6 ?7 q, N' d; g
Summer raining seas ...
icing 发表于 2014-6-7 22:36 c- S/ ^( Q# B4 ]8 \
Metal roof ?? 5 r3 W! C9 `- Q+ |! Rwhat's going to happen in a hail storm, will it be very loud ???% ^5 Q8 f5 \+ F5 k7 w7 n8 S
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.