Advantages 5 [0 o1 x* C* B8 MVery durable in cold weather" t% u |' ?3 v7 n. h5 I' w
High percentage of recycled material and are 100% recyclable% B& N) i9 [0 m9 e' `& f
Disadvantages % g1 z' M0 A# C4 u4 D7 fRusting (require maintenance to prevent corrosion)9 I+ }" p. J" x. w; x6 o1 k0 s$ n
Copper and lead roofs can be targeted by metal thieves- u# b) b0 `8 I1 _' G
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ; h: ~7 H4 Q9 X" vCellular and radio reception may be negatively impacted
Metal roof ??4 r# K- b# {) O. I- E
what's going to happen in a hail storm, will it be very loud ??? & J, \4 a8 c- c u# a' x! ASummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 + T+ m* C8 ]0 t1 L/ j/ a! D* v
Metal roof ?? 0 v9 m3 v" n, t) I Y; Kwhat's going to happen in a hail storm, will it be very loud ??? , M; d1 a+ u: j/ A! `/ i( S! a9 nSummer raining seas ...
icing 发表于 2014-6-7 22:36 6 u+ c; a- s( n$ m& _0 N7 }* z
Metal roof ??( V0 M; H6 A$ W: G! l
what's going to happen in a hail storm, will it be very loud ??? v4 [0 y4 b) H9 E: dSummer raining seas ...
2 W# k" U) E/ s8 m4 V* ]# u
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.