Advantages+ I! B( K+ ~6 ^4 h7 E2 R
Very durable in cold weather ; g' a0 Z1 k8 }$ PHigh percentage of recycled material and are 100% recyclable 2 X2 q P( a9 s+ n% eDisadvantages 6 A! l$ t, e5 z# r8 f5 ZRusting (require maintenance to prevent corrosion) 0 ~! D. l7 C5 \0 j* d3 ^Copper and lead roofs can be targeted by metal thieves ! b3 Q! @! E# {) NHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure $ `- G Z a0 [* e+ T, G, wCellular and radio reception may be negatively impacted
Metal roof ??: j. o) }/ s! T- i/ ^9 ]9 d' x
what's going to happen in a hail storm, will it be very loud ??? : ?0 E& b4 M& B! M/ L' ?Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 O ?; ~. P; ~Metal roof ??8 ?* l2 v. Q; V, P
what's going to happen in a hail storm, will it be very loud ???( Y! w& v. W; _& h& J
Summer raining seas ...
icing 发表于 2014-6-7 22:36 " W+ p$ Z$ J. e9 `* t- T1 w, E2 h
Metal roof ??1 U1 A2 A5 y& T$ W4 S( M; W7 X
what's going to happen in a hail storm, will it be very loud ??? V- i) u9 U0 k: i' M7 zSummer raining seas ...
/ t$ N2 P; [; z3 y5 y+ H$ xthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.