Advantages 8 X8 P5 ~' Z. Z8 A+ I. X; `2 A6 f R- fVery durable in cold weather( ~; j, T& _' i* l
High percentage of recycled material and are 100% recyclable) Y( l) K# B$ W' C3 k
Disadvantages 7 j4 N/ K0 U# P) N( v3 r1 t# iRusting (require maintenance to prevent corrosion) , m7 U7 F3 P; [! VCopper and lead roofs can be targeted by metal thieves ) {+ T5 P( z8 F+ fHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure + `! n& X. H% ?; z" l6 r+ HCellular and radio reception may be negatively impacted
Metal roof ?? 0 Q6 U+ w/ y4 A Awhat's going to happen in a hail storm, will it be very loud ??? # n7 R. Q! U2 @9 v ~8 k7 mSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 p. C( Y7 u J
Metal roof ?? F3 Z3 y8 H. F/ p. K$ ]what's going to happen in a hail storm, will it be very loud ???0 F# L7 B5 z& I5 m' M
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ( b& E) s$ e7 @1 X A1 n. R# {" v
Metal roof ?? # J% E+ k0 J3 B: e8 Swhat's going to happen in a hail storm, will it be very loud ??? ! S1 c! B6 ^3 F r9 t- dSummer raining seas ...
7 o7 q6 A o8 j2 g k3 `2 Vthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.