Advantages 3 w3 v* @$ S h6 B2 d$ d: d# |( h% yVery durable in cold weather( ~2 v; C: k5 G- ]
High percentage of recycled material and are 100% recyclable/ D1 K5 s- z0 y+ m
Disadvantages ' C2 F0 f) R8 W4 R- k! y0 j% a- jRusting (require maintenance to prevent corrosion)5 m* N" B3 J q6 P
Copper and lead roofs can be targeted by metal thieves5 R0 a0 q( B- ~$ h
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure K7 E: x3 h) S6 f) I. s% i: bCellular and radio reception may be negatively impacted
Metal roof ??8 ~0 Y3 X) x* I' I) X
what's going to happen in a hail storm, will it be very loud ??? 1 w& @& @* p4 Z5 H& @Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 6 V/ y) c9 s! S. LMetal roof ??2 {( @3 N. w; ]5 u1 t( |% e
what's going to happen in a hail storm, will it be very loud ???8 k1 E$ B9 H! a8 A& a, y
Summer raining seas ...
icing 发表于 2014-6-7 22:36 8 h& j. t% ^6 i9 G- |1 O& {
Metal roof ?? ( m$ k) D8 N d$ t: H4 ~( Ywhat's going to happen in a hail storm, will it be very loud ??? 6 ?: N, I. K0 dSummer raining seas ...
, t3 k( y5 G* c J1 Lthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.