Advantages ' d; j% M [: f8 u2 aVery durable in cold weather3 ?, H) k* A0 V* c
High percentage of recycled material and are 100% recyclable . a/ G% I8 o @% f+ N6 zDisadvantages) y5 \+ a) l2 C9 Y* }' r
Rusting (require maintenance to prevent corrosion)* C y5 X7 b4 ]" J
Copper and lead roofs can be targeted by metal thieves% J4 k9 f9 y* g/ E; b Y; n4 k
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure $ s! j+ `* u( r# z5 h3 o* ICellular and radio reception may be negatively impacted
Metal roof ??& J6 J6 c- j$ T6 v
what's going to happen in a hail storm, will it be very loud ??? 7 e& N' L) f, \. ^/ y# lSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * ?+ C4 Y& }" W0 U0 LMetal roof ??5 c& Y' [, d7 q/ n! X$ R V
what's going to happen in a hail storm, will it be very loud ??? " ~3 V# Q* {* ]! CSummer raining seas ...
icing 发表于 2014-6-7 22:36 % ^/ g" B* u) G% K' |Metal roof ??; t1 _7 E$ j, T/ z% y# c7 Y
what's going to happen in a hail storm, will it be very loud ??? 7 N% p# J5 a/ I% n) }* GSummer 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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