Advantages3 y1 M5 q2 F- P" M+ X7 ?$ q
Very durable in cold weather # j" h7 r9 y/ c7 ]5 |$ ]; VHigh percentage of recycled material and are 100% recyclable" U+ N. g# `- {) V1 L- ~' p0 M* ]
Disadvantages 0 v. M9 N/ c8 J/ r5 A% [Rusting (require maintenance to prevent corrosion) # x% E1 c7 u$ GCopper and lead roofs can be targeted by metal thieves & _7 k ^ Y$ W/ t1 } OHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 0 m ?) ~* [* `. ~. u- k1 U0 p% rCellular and radio reception may be negatively impacted
Metal roof ??/ i% `. f$ M" C7 }& M/ O; n
what's going to happen in a hail storm, will it be very loud ???: N& S3 y1 m0 `& c0 s7 l9 b& t
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 " G% s3 |$ G4 W! t' Y) L
Metal roof ??: n: q% |2 w: s* R3 x
what's going to happen in a hail storm, will it be very loud ???6 n" X% @0 D O
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ( [& a {/ y/ o" R9 X" PMetal roof ??+ Z# {: V* _& _. C, W" g" S
what's going to happen in a hail storm, will it be very loud ???8 _4 I8 a) T2 ~: j1 o, R, r$ ^+ h
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.