Advantages % m" h1 k# f9 X* C( D9 [9 yVery durable in cold weather3 Q3 q8 b3 S! E- j* E
High percentage of recycled material and are 100% recyclable . H6 l0 G$ L1 C9 K1 N0 v$ dDisadvantages# [4 \4 r- N# M- }
Rusting (require maintenance to prevent corrosion) ( w h8 t% `6 s0 CCopper and lead roofs can be targeted by metal thieves. y) t) E) [! C$ V4 T, r
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure) Q% H p( v. Q" P/ F
Cellular and radio reception may be negatively impacted
Metal roof ??3 x6 G. ?, ], b( f% r5 I
what's going to happen in a hail storm, will it be very loud ???; w6 T) B: B$ j8 [" U, R0 n
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 # N) k% D& g. u9 K0 ~; v
Metal roof ?? : ]6 R" r% R0 C9 U2 Ewhat's going to happen in a hail storm, will it be very loud ??? " g' V* e" \' J' {Summer raining seas ...
icing 发表于 2014-6-7 22:36 - `; C% l+ S7 e/ g8 N: w
Metal roof ??( } C5 F% a# D( Y9 p- e- t5 w* v
what's going to happen in a hail storm, will it be very loud ??? ; B1 u" i8 Y0 J) V. M5 }Summer raining seas ...
. {2 C7 p! c2 B& V bthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.