Advantages 7 s4 J2 O/ Y, j! ?Very durable in cold weather7 V: X7 z$ P, z8 s
High percentage of recycled material and are 100% recyclable7 y. S/ S) i- ^: L' j
Disadvantages2 v; B5 W3 j7 ]7 F
Rusting (require maintenance to prevent corrosion) * i/ h& [' ^8 B; M+ pCopper and lead roofs can be targeted by metal thieves* M a r) M; g$ \% u
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 W! V% t% Y$ @+ m9 s$ sCellular and radio reception may be negatively impacted
Metal roof ?? h& Q' r9 U& q* s5 X4 g/ Cwhat's going to happen in a hail storm, will it be very loud ???! f1 Z+ W( S: a3 ]. O+ Z
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 4 r5 K' V- W4 \9 pMetal roof ?? 9 }7 h1 J7 C, g* A) S* _, Y/ y4 {what's going to happen in a hail storm, will it be very loud ??? + G3 t6 k7 B' n" C8 CSummer raining seas ...
icing 发表于 2014-6-7 22:36 : Y. P/ v) T- o8 J% OMetal roof ??/ e5 _( Z3 u6 `! C) M
what's going to happen in a hail storm, will it be very loud ??? 6 s$ u3 ` {8 d2 {6 E/ wSummer raining seas ...
! i% ]& }& j" y6 ]* {( Tthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.