Advantages ; L- p* X: I+ HVery durable in cold weather - L% A8 K, V, R& m& L: ~High percentage of recycled material and are 100% recyclable 9 n* f* Z4 \- Y# W- rDisadvantages , E0 t' \# j5 I: t9 X) v' M. RRusting (require maintenance to prevent corrosion)' J4 Y7 J( p: p( h
Copper and lead roofs can be targeted by metal thieves - H X5 c- U" | k F1 ZHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 P. T& i1 f; tCellular and radio reception may be negatively impacted
Metal roof ??4 i' D; s6 {& w" P3 ^
what's going to happen in a hail storm, will it be very loud ??? ! p" L" s, Y' QSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 k0 e* a1 Q z2 I B$ t
Metal roof ??5 O$ S) R, A/ }! ~1 e
what's going to happen in a hail storm, will it be very loud ???: S' {* A. t+ V+ k! x( d/ Q
Summer raining seas ...
icing 发表于 2014-6-7 22:36 8 B6 o8 Y! T9 c+ T9 z" O* B
Metal roof ??. X0 \: t: [' V1 R2 N2 z
what's going to happen in a hail storm, will it be very loud ???' t0 c; g' r g# w
Summer raining seas ...
: l4 \, ]% N, l# N1 R2 ]- R4 j! o
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.