Advantages, H# |- U4 R. ~- p
Very durable in cold weather 8 S. _0 b( r }4 Z! kHigh percentage of recycled material and are 100% recyclable( e O# A( ~/ ]+ S" t" V- \6 g1 I
Disadvantages& L; Z. Q* _& w
Rusting (require maintenance to prevent corrosion)0 f2 p+ K) j' B W- ]: r, r7 n
Copper and lead roofs can be targeted by metal thieves . u( L% I% l8 m2 ~. m5 FHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure 3 z" c8 \/ P6 ~! w% V: L& P4 ICellular and radio reception may be negatively impacted
Metal roof ?? " x! p" m0 D( rwhat's going to happen in a hail storm, will it be very loud ??? \4 n, Q- k0 j4 o5 [+ zSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 9 j+ S2 C% p7 q: I b5 L
Metal roof ?? 0 i. G3 J3 d4 x2 E* E, f- {what's going to happen in a hail storm, will it be very loud ???4 U8 u4 u& K+ s
Summer raining seas ...
icing 发表于 2014-6-7 22:36 % Z# a/ m4 |+ _. y
Metal roof ??( l) u. Z& N& S0 X! F
what's going to happen in a hail storm, will it be very loud ??? . V3 t2 v Z9 H8 QSummer 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.