Advantages ) C9 O7 _5 F+ q7 ]Very durable in cold weather. {( {9 H7 T3 q' {
High percentage of recycled material and are 100% recyclable 0 o4 X% S u! V* x& V) y6 fDisadvantages. e- _1 ~1 o, e$ I
Rusting (require maintenance to prevent corrosion) . q; \, B; n. u1 c7 qCopper and lead roofs can be targeted by metal thieves! j2 ^4 O- I# _8 j* C; a
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure1 ~ H' C2 ]1 x
Cellular and radio reception may be negatively impacted
Metal roof ?? 8 H2 _7 @0 c- xwhat's going to happen in a hail storm, will it be very loud ???% J* K$ T" a$ P% R0 O6 u
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' _6 y C. y* V, B$ rMetal roof ??- O3 ^* l5 S; \; t/ Y0 J
what's going to happen in a hail storm, will it be very loud ??? & Q- ?8 h7 F- U2 j3 F; qSummer raining seas ...
icing 发表于 2014-6-7 22:36 $ ^) L* n6 B( t
Metal roof ??. U7 u$ @; l/ F2 v
what's going to happen in a hail storm, will it be very loud ???" m( e! g$ M$ E& ]! `. n
Summer raining seas ...
' e! t: \ Z+ Y% ?6 f
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.