Advantages2 z( c, N) ]; x: K' r6 Q
Very durable in cold weather + E* g9 U, ?0 J; Q8 H& k% c" J, }High percentage of recycled material and are 100% recyclable2 C0 u0 V% Q2 ]& E5 [7 k! S
Disadvantages; f; I! H7 G4 y4 q8 O0 ?
Rusting (require maintenance to prevent corrosion) " |6 O" ]: ?. u# M& I8 CCopper and lead roofs can be targeted by metal thieves 5 S5 ?, s) G0 ~9 j6 C- M8 JHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure : n3 a" V5 J# t, E4 m6 ~Cellular and radio reception may be negatively impacted
Metal roof ??; C5 t( |: X% r6 b/ y1 p; n7 H
what's going to happen in a hail storm, will it be very loud ??? 6 [: R* y% p- r# \5 d0 }/ |Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) q5 A% B6 l1 h* M
Metal roof ??' f' p* K, M/ y; x1 R' ^
what's going to happen in a hail storm, will it be very loud ??? 7 _6 T; R% R& R# ~& [2 @Summer raining seas ...
icing 发表于 2014-6-7 22:36 8 T4 }$ d' L+ fMetal roof ?? 3 E( d( U) B0 E% v; p, A6 Q3 jwhat's going to happen in a hail storm, will it be very loud ???' X" \0 ]2 J9 f
Summer raining seas ...
, ] B+ ~7 \/ ], o, K/ bthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.