Advantages + ]. C5 V& w- P% zVery durable in cold weather7 E0 O/ X' s+ y& Y# ^- c
High percentage of recycled material and are 100% recyclable; H v. F h9 ?# O/ D; X
Disadvantages - x; F. A8 `& D: {Rusting (require maintenance to prevent corrosion) * S7 F8 q! |3 k2 LCopper and lead roofs can be targeted by metal thieves 6 b+ S4 ? M! y [4 _9 @High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure2 R w5 k" u/ E
Cellular and radio reception may be negatively impacted
Metal roof ??0 `6 E- `3 [3 t. p' d. h
what's going to happen in a hail storm, will it be very loud ???* T7 |( N) L/ N
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 . i/ l# Q: l+ X
Metal roof ?? / b: R8 D+ Z9 b) p& mwhat's going to happen in a hail storm, will it be very loud ??? 7 M+ a7 H/ m9 H E- ]Summer raining seas ...
icing 发表于 2014-6-7 22:36 ' I+ N% F0 `+ a/ o( C4 DMetal roof ??3 s' A! B1 U) D; r( f( c
what's going to happen in a hail storm, will it be very loud ??? 8 c1 W5 X% _) M( A5 |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.