Advantages ( u$ t" A" s0 V% c6 w8 xVery durable in cold weather) s) L; V! h& ]. k9 o2 Z5 F4 {
High percentage of recycled material and are 100% recyclable ) U1 z4 @6 N4 i5 M# hDisadvantages) i$ ] v+ F ?1 l( s1 M
Rusting (require maintenance to prevent corrosion), f+ E/ H2 {* J$ o' z' P: B
Copper and lead roofs can be targeted by metal thieves) I3 ~4 L6 v! I" n9 R
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure+ {5 `/ c" q$ L3 o0 r [5 d5 F
Cellular and radio reception may be negatively impacted
Metal roof ??$ e! V# G+ h5 t$ f+ M2 ]( w
what's going to happen in a hail storm, will it be very loud ???& ]8 w+ {3 _- d7 @
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' f. j( ^% r$ e {6 @9 h+ Y0 s
Metal roof ?? ( Y% \1 \$ S6 {+ uwhat's going to happen in a hail storm, will it be very loud ??? ! H. I$ P' k$ K. C0 i# ], s6 gSummer raining seas ...
icing 发表于 2014-6-7 22:36 : U" j5 K8 A9 t) I7 e* [ m& M
Metal roof ?? ! ^6 c# A' t9 n2 [what's going to happen in a hail storm, will it be very loud ??? 9 q2 q: M* s: H; j) a& R: `Summer raining seas ...
1 x) m0 c$ b7 E6 c Bthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.