Advantages; Y! \3 w1 v: W
Very durable in cold weather1 |- p5 c x9 n+ |
High percentage of recycled material and are 100% recyclable + _5 b6 k& j0 R/ p+ c+ ]# t& bDisadvantages 3 a: m4 _0 D( C) |Rusting (require maintenance to prevent corrosion)( K( |! n3 ?& q- h0 B
Copper and lead roofs can be targeted by metal thieves 7 v7 q ~; k ~( _High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 2 a- X( \6 R$ E. M" O8 e8 V# NCellular and radio reception may be negatively impacted
Metal roof ??- T# C2 r" }. d/ {/ {
what's going to happen in a hail storm, will it be very loud ???) ?9 v$ h* y/ Y) b
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 s$ [4 z$ w7 w# D' N5 ^& R1 ?
Metal roof ?? , _" |& t" h8 ?, d8 V& w/ Nwhat's going to happen in a hail storm, will it be very loud ???/ ]% T! _* S: N( P. ] h9 f) v
Summer raining seas ...
icing 发表于 2014-6-7 22:36 ' t* r2 \) Y0 Y+ w
Metal roof ??5 e* d* Y1 g" [$ b( F9 C/ g8 G
what's going to happen in a hail storm, will it be very loud ??? $ y# H7 @3 w! D( r* E+ ^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.