Advantages5 P T0 @, e' J O6 J# V c
Very durable in cold weather ]3 [- c) n; { S& Z7 t
High percentage of recycled material and are 100% recyclable+ a3 Y# @* ^* v. `7 K5 K
Disadvantages 1 i! |& t# {+ }+ V! pRusting (require maintenance to prevent corrosion)& A6 D3 i1 r( K Q6 d9 i
Copper and lead roofs can be targeted by metal thieves. [4 C5 ~7 a- \
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure & j: ^3 h8 q) \/ s5 ?3 uCellular and radio reception may be negatively impacted
Metal roof ?? 3 e7 H, f0 {/ K% pwhat's going to happen in a hail storm, will it be very loud ??? ! a, X- A+ k8 ?" iSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 5 `* f& H1 G* q5 `6 rMetal roof ??/ s. q( r3 n R9 p1 X1 X
what's going to happen in a hail storm, will it be very loud ??? ( Z4 @! _" A" ? _0 A: mSummer raining seas ...
icing 发表于 2014-6-7 22:36 / d# _4 X* O& V5 L! D) k# FMetal roof ?? 8 H0 k0 B% V J4 ^ w9 G2 K+ Xwhat's going to happen in a hail storm, will it be very loud ???; [9 L2 Y- d- y* k2 V( j
Summer 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.