Advantages % i0 I" a# W9 T% nVery durable in cold weather* s9 S8 x# |' Y
High percentage of recycled material and are 100% recyclable " L- u% O+ |! U$ ], uDisadvantages: M. i6 r0 V, N6 c% q. ]
Rusting (require maintenance to prevent corrosion)4 u- m( ?, C& p% u
Copper and lead roofs can be targeted by metal thieves$ J7 B) C0 N* L! ]: F1 p- R/ A
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 0 }3 i2 [$ M% E( D. a; zCellular and radio reception may be negatively impacted
Metal roof ??/ |. W) f4 b8 Q9 d, B" q; L) d1 U
what's going to happen in a hail storm, will it be very loud ???: a5 ]3 U- P2 D5 U3 ?% ?& G& L9 ~
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ) J/ \- Q& ]3 HMetal roof ?? i2 W# ], [( V& E) a4 L
what's going to happen in a hail storm, will it be very loud ???$ N$ Y, E4 {% b. _/ r, r- a
Summer raining seas ...
icing 发表于 2014-6-7 22:36 0 q8 i) G8 h9 b3 rMetal roof ??9 W' j, T' T0 u: [$ g2 G; q, Y% {) Y
what's going to happen in a hail storm, will it be very loud ??? ! O- E2 Z8 S9 b# nSummer raining seas ...
! I' H# F3 E- \6 m4 Z& r* ]) Qthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.