Advantages + Y4 Q6 c# ^+ g5 ]; H7 m3 qVery durable in cold weather0 ^# f/ b: y( h1 z
High percentage of recycled material and are 100% recyclable ' e0 b( D' z1 \* Z2 ]! HDisadvantages' V1 ]5 L+ X# A# g
Rusting (require maintenance to prevent corrosion) + g0 Y! f0 N. Q& zCopper and lead roofs can be targeted by metal thieves 1 e# K3 Z8 X' U* i$ {High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure9 `+ E; A' U5 [5 u+ D& m" y% R1 R
Cellular and radio reception may be negatively impacted
Metal roof ?? 9 [6 b# e$ {" a1 i, Z- Swhat's going to happen in a hail storm, will it be very loud ???0 X, V6 j5 V, `, Q- b
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 + }" Q$ X3 @3 C2 X2 v w" zMetal roof ?? - S! t3 W$ O2 ^what's going to happen in a hail storm, will it be very loud ??? " L; {! _/ V& c. X7 h" FSummer raining seas ...
icing 发表于 2014-6-7 22:36 1 A) g6 Y. e" n0 K! f
Metal roof ??8 r& B, d7 ~, y& \8 i5 V
what's going to happen in a hail storm, will it be very loud ???9 ]9 O- u5 G& E& b& M6 a8 q: ]
Summer raining seas ...
8 L% K7 J$ h$ r, h- kthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.