Advantages 4 i8 v/ q5 a5 u, K" _4 zVery durable in cold weather 1 I p" G$ e* a }High percentage of recycled material and are 100% recyclable * X: p) p+ J" z. U& S6 bDisadvantages . j8 j% y0 b) l" x' [Rusting (require maintenance to prevent corrosion) 5 l' z) A+ p2 w7 o) i8 Y# WCopper and lead roofs can be targeted by metal thieves3 g$ |% [' x B; _/ ~ K. D( I
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure & c. C( ?/ G1 {. m$ gCellular and radio reception may be negatively impacted
Metal roof ??3 ?0 @. f3 y+ i \
what's going to happen in a hail storm, will it be very loud ??? j: Q2 ^3 W7 v) d% @9 K& d
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 22:36 ) R& t% |8 }& }/ L+ b. }" M
Metal roof ??- I* G8 }' z( @) i/ Q* y* y0 `
what's going to happen in a hail storm, will it be very loud ???. R( P% p1 ]+ {0 D+ K3 V" ^
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.
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发表于 2014-6-6 12:16
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