Advantages4 ]. l" `. N4 d0 k9 T6 d% k
Very durable in cold weather V! o0 s& [; M2 `* M
High percentage of recycled material and are 100% recyclable % ?$ f# V4 Y# c) R9 h8 t$ H) ?1 y7 lDisadvantages9 U0 q1 I$ s. S0 E8 z* E
Rusting (require maintenance to prevent corrosion)1 J' }" P N8 V w# `0 f
Copper and lead roofs can be targeted by metal thieves8 J# T0 S) W H8 j b3 W
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure: n) p2 {0 W2 i
Cellular and radio reception may be negatively impacted
Metal roof ?? Q9 k% @9 h! t$ B0 K9 c6 C
what's going to happen in a hail storm, will it be very loud ???6 P) V- K4 A3 B1 m0 N
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 ' k: Z, O" W6 t8 t
Metal roof ?? ; B( j, J J ]what's going to happen in a hail storm, will it be very loud ??? # E7 `5 Y. y5 |6 {1 o; bSummer raining seas ...
icing 发表于 2014-6-7 22:36 0 f* K7 y6 U# O# ~. w5 P
Metal roof ?? 8 _9 S! {; R( q8 H$ l; a" qwhat's going to happen in a hail storm, will it be very loud ???3 O7 |8 b6 D; _% n) ]
Summer raining seas ...
% p3 X) e4 {# ]6 H) R# p* Ethat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.