Advantages + J$ w% E9 I Z) HVery durable in cold weather * Y* D2 n+ r9 a% h, d0 I3 s/ ZHigh percentage of recycled material and are 100% recyclable) c! c7 j. T$ G2 v) w/ S+ q
Disadvantages & ?' z1 B! I8 C& `- zRusting (require maintenance to prevent corrosion) # S7 y% A, i% ?3 N6 g) a5 QCopper and lead roofs can be targeted by metal thieves * |! V8 q4 p+ vHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure R- b A! ]+ @/ n6 l1 |% ^% xCellular and radio reception may be negatively impacted
Metal roof ?? ) `& i" ]$ K. c2 Q: ^ @3 m# \1 _6 Twhat's going to happen in a hail storm, will it be very loud ???5 Q+ N+ s1 u8 C( a, k3 _
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 H1 G- J; F Y2 _- u, L: ?Metal roof ?? 4 i' y) f! }. e7 K: `6 b: _what's going to happen in a hail storm, will it be very loud ??? 8 ?4 y+ {# m( j& _Summer raining seas ...
icing 发表于 2014-6-7 22:36 / N6 `# O1 b' M6 J) h2 k7 tMetal roof ?? 0 |5 l- v% [- [# M1 J0 owhat's going to happen in a hail storm, will it be very loud ???& W6 Q% F. Q/ d% X
Summer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.