Advantages ' |& ^+ o4 Z! Z2 rVery durable in cold weather/ o) u. D2 w- ^% x: s2 k$ O: I
High percentage of recycled material and are 100% recyclable + a- p$ w# m# u6 t- e1 PDisadvantages0 M9 m, v$ r+ F8 ?" i8 g" x
Rusting (require maintenance to prevent corrosion) 7 g5 T* `$ v' ICopper and lead roofs can be targeted by metal thieves 9 Q9 u0 U: t; tHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( D$ p2 D" [2 c7 C; \9 B
Cellular and radio reception may be negatively impacted
Metal roof ?? 5 E. ^( ]7 F6 H0 m- Q6 M8 E; z+ w! M3 mwhat's going to happen in a hail storm, will it be very loud ???3 m: t' [( \& O
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : _& i4 d& M0 W0 C! d
Metal roof ??" K7 C- \0 g% H
what's going to happen in a hail storm, will it be very loud ??? @ m4 I7 u- D& S: \Summer raining seas ...