Advantages! H5 p6 Q0 J! X4 s
Very durable in cold weather- ?; M) X% _2 v
High percentage of recycled material and are 100% recyclable ' k5 Y3 e" N% L# D7 b' `Disadvantages 7 Z) F) i7 B' eRusting (require maintenance to prevent corrosion) . d" A! b" E/ S2 W- e' j: zCopper and lead roofs can be targeted by metal thieves+ F) n( }" t* O( U/ h# M, C
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure . C6 u7 w& M! _, \2 WCellular and radio reception may be negatively impacted
Metal roof ??8 ?1 W3 g) X( X/ G
what's going to happen in a hail storm, will it be very loud ???8 n1 [ ]5 \0 u+ f' e
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 0 _6 ]: F% N) o- q8 s
Metal roof ?? 9 \" x4 C! R7 u) k# Wwhat's going to happen in a hail storm, will it be very loud ???' Q" w! C& U; t% x7 |( ]
Summer raining seas ...
icing 发表于 2014-6-7 22:36 8 e# N$ L5 @. T3 F+ G
Metal roof ??3 n" |4 z" |7 g9 @" t7 d6 U
what's going to happen in a hail storm, will it be very loud ???& S1 A2 k: t; }; k% O6 r d
Summer raining seas ...
$ ?) f y1 }% r) C% P, |that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.