Advantages $ V' b+ R1 y% O" y1 Z/ A$ RVery durable in cold weather0 q0 |, j3 f) C0 i9 A0 Q3 r
High percentage of recycled material and are 100% recyclable - m4 f* O0 }: q0 I0 VDisadvantages$ ~8 K9 Z2 S5 Q9 L
Rusting (require maintenance to prevent corrosion) & b9 @- y2 m2 @; Q! w% G. HCopper and lead roofs can be targeted by metal thieves ' n* J. B3 f& p7 J4 o5 ?. J8 HHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 8 \( D1 O/ K& I& c! H. jCellular and radio reception may be negatively impacted
Metal roof ?? & H3 ^; K. z& e% U! h9 G9 h' Q) ]what's going to happen in a hail storm, will it be very loud ??? . ]3 y: p: N3 a/ l0 O' ZSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : c, K0 h+ B1 l9 ]6 b
Metal roof ??' B' o: t. x% b6 L( a& X6 a
what's going to happen in a hail storm, will it be very loud ???9 v7 \4 N! |! }6 {
Summer raining seas ...
icing 发表于 2014-6-7 22:36 6 b" x" ?5 l1 m
Metal roof ??! d/ w1 f1 y- L) ^( i
what's going to happen in a hail storm, will it be very loud ??? ; r3 n8 W4 `7 \" F1 X9 @) a2 FSummer raining seas ...
( \+ _- I: C* Ethat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.