Advantages. N! _; ^- C1 u7 r' m# R
Very durable in cold weather4 _# |2 y$ z' B w, b' W
High percentage of recycled material and are 100% recyclable6 O+ ]2 M2 q/ R2 S, s1 ?; r
Disadvantages 1 ?* n2 \; a5 O- W( |/ ?. c: F' y/ W8 _5 N3 QRusting (require maintenance to prevent corrosion) , K# ?% N$ [- o0 M! R4 j: |Copper and lead roofs can be targeted by metal thieves ' S+ `7 a! s1 O2 }# d5 c- }High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure, s0 K) G9 l7 h0 M
Cellular and radio reception may be negatively impacted
Metal roof ??; D. R y; t4 v1 t# q% Q4 Q, z7 a
what's going to happen in a hail storm, will it be very loud ???# T& O- R' F0 E" d2 M, m' U! \
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 & M F9 K3 |+ i- ^
Metal roof ?? 5 \; ]; k' l+ T; [what's going to happen in a hail storm, will it be very loud ???% v0 t6 B# T- \
Summer raining seas ...
icing 发表于 2014-6-7 22:36 * T3 c5 G) ^/ B4 oMetal roof ??8 s; M4 D: v& @% @) F6 a
what's going to happen in a hail storm, will it be very loud ???2 j7 [9 q$ Q7 {- }; m4 h
Summer raining seas ...
: }, @' X( p% G" p$ F, {that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.