Advantages+ t2 ], H. l5 } X+ _' w! j
Very durable in cold weather 8 q; K9 p) ?6 Q$ T7 Y9 Q: `High percentage of recycled material and are 100% recyclable ( L. S' | c: S7 q4 EDisadvantages2 M- F) h, \- V, \7 p/ ^2 D8 A
Rusting (require maintenance to prevent corrosion) ) W+ X" j6 m2 v; D0 n/ PCopper and lead roofs can be targeted by metal thieves - Y, X X$ i2 ?7 t- rHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 y; `/ q N& |; R: f6 E V. r5 j
Cellular and radio reception may be negatively impacted
Metal roof ??7 ]1 y( b! Q% h* \
what's going to happen in a hail storm, will it be very loud ??? ; h# Q4 Z; D% Y* R6 l2 bSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 `4 `5 B2 S) \
Metal roof ??$ }- M" m( v& a$ P; L
what's going to happen in a hail storm, will it be very loud ???& ]3 Q& B% @: p# g
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ; A- Y" M2 X% N2 c0 P8 C rMetal roof ??* Q& h6 F6 C- [1 _7 O* \0 e; T, d
what's going to happen in a hail storm, will it be very loud ???8 \9 ?4 e1 i9 z' F
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.