Advantages + x% M) z- X2 j- X! M1 s1 NVery durable in cold weather / i% k) N) V# l7 U6 N' mHigh percentage of recycled material and are 100% recyclable. T; i, ]3 B- Z
Disadvantages* s+ Y# n( h' x' V# p
Rusting (require maintenance to prevent corrosion) 2 N' W! R/ _9 f1 j- q0 oCopper and lead roofs can be targeted by metal thieves + x" n# x9 c7 |High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure + D! ~4 V, E j( _9 |+ c9 kCellular and radio reception may be negatively impacted
Metal roof ?? 9 G' p# j; N8 z# _# y( Z% Twhat's going to happen in a hail storm, will it be very loud ???% \6 J8 P* Z& Y' p. S
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 N- ]+ L8 e; Y g1 i- F; }! Y5 S- ?
Metal roof ??/ B% O4 P6 i+ E/ \ a8 o
what's going to happen in a hail storm, will it be very loud ???4 U5 { |0 L# E5 n2 @
Summer raining seas ...
icing 发表于 2014-6-7 22:36 + ?2 z$ {; m0 f4 t% ^
Metal roof ??/ n% a1 P" }' a6 {+ x" o
what's going to happen in a hail storm, will it be very loud ??? [3 ~- Q& w1 `. g( L# Y& N
Summer raining seas ...
4 B5 |1 m* E! @$ E/ y: C
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.