Advantages1 X% Y# p! [$ Z2 \' D& P
Very durable in cold weather ' h- W- o+ p7 `+ t0 Q/ S ?High percentage of recycled material and are 100% recyclable 2 b4 O$ J( m4 F1 E- H+ dDisadvantages, j: m5 K* m1 a9 U4 x
Rusting (require maintenance to prevent corrosion). o0 a9 g& Z. h# x4 X% T* e
Copper and lead roofs can be targeted by metal thieves) J/ u, R% X- D/ k0 \* Z" S
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure" D& s7 M0 [1 s) l6 J1 h( w
Cellular and radio reception may be negatively impacted
Metal roof ??& r, h" X, b7 {1 q' H
what's going to happen in a hail storm, will it be very loud ??? {& m+ B4 R) J# p) YSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 * O' N( K5 F/ t5 _
Metal roof ?? 7 j0 N4 @& H; R mwhat's going to happen in a hail storm, will it be very loud ??? % }* U. R% s0 n/ o: bSummer raining seas ...
icing 发表于 2014-6-7 22:36 : `' p7 Q, R. qMetal roof ??; c8 L4 o% |# A4 N9 ^
what's going to happen in a hail storm, will it be very loud ??? # y9 v3 A; S# r8 s& cSummer raining seas ...
^& E! O* Z r! Z6 i! Y$ H/ L& q5 nthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.