Advantages6 W, o# o! g/ k) x0 z/ `0 T
Very durable in cold weather$ W) N0 Y; F$ s$ H5 M! v) y
High percentage of recycled material and are 100% recyclable! O6 ^ {4 v ]( v) X
Disadvantages ! b; ]4 R) ]. q+ U( x9 ERusting (require maintenance to prevent corrosion) F J4 j7 b9 q( ~! O
Copper and lead roofs can be targeted by metal thieves9 G e: p, ?, }
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure " \+ ^' p+ |4 h0 I9 R* n5 \& ~' lCellular and radio reception may be negatively impacted
Metal roof ?? 5 ?, R8 Q; S6 j, Y5 |# `- cwhat's going to happen in a hail storm, will it be very loud ??? " e! E9 y0 {7 b5 p8 xSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 7 b7 |! R6 g3 W( W+ k3 \
Metal roof ??$ v8 s0 E& Q1 l- L, Y- a. G2 [
what's going to happen in a hail storm, will it be very loud ???+ ]: d/ W$ V f& }
Summer raining seas ...
icing 发表于 2014-6-7 22:36 # ~( f0 e6 u; x! PMetal roof ?? 1 l$ f+ o9 T$ |: X; {what's going to happen in a hail storm, will it be very loud ???3 M( \; h( W$ x3 M* l
Summer raining seas ...
/ p! u* R% T* U5 ]4 w2 p
that is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.