Advantages" S# Z) e9 m2 H- K: O/ |2 x$ D$ b
Very durable in cold weather ' Y! K6 C2 W7 G4 y& \2 jHigh percentage of recycled material and are 100% recyclable 6 J' e3 R$ w* `% h- F$ D8 v7 SDisadvantages ' N+ C' l* p* F6 H4 ~2 ~. ZRusting (require maintenance to prevent corrosion)0 n2 s1 g, Y) h6 r& P
Copper and lead roofs can be targeted by metal thieves ' z) o4 j- t* h3 R wHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure; p, }) I% g C$ ~" @% e* N* L9 R/ N& g
Cellular and radio reception may be negatively impacted
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what's going to happen in a hail storm, will it be very loud ??? 6 D& `' k! B$ M9 V8 r3 s) eSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * F b, t3 d* ]/ a" j1 L
Metal roof ??3 v- k: f/ ^/ W& |* @9 k/ ]* c
what's going to happen in a hail storm, will it be very loud ??? # @: ^8 H2 @4 j' H; U+ j0 v. [6 TSummer raining seas ...
icing 发表于 2014-6-7 22:36 0 w j+ ]$ c$ OMetal roof ??1 u1 m8 ^/ [- p, F
what's going to happen in a hail storm, will it be very loud ??? , g+ n* x! P1 r0 U3 f. RSummer raining seas ...
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that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.