Advantages. j& L% G- B7 ~$ d/ P" ]$ @( L
Very durable in cold weather- E8 Y+ ?' F8 n3 Q
High percentage of recycled material and are 100% recyclable) d2 K8 @8 ]9 q3 }2 d% C. s
Disadvantages 2 Z D3 q8 q- X. W! R* c! G2 PRusting (require maintenance to prevent corrosion) , @4 \9 }( O& N8 h" [Copper and lead roofs can be targeted by metal thieves: _. F8 @ f7 I/ D" q. X. v
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure ( u- }3 E+ h; v( K! S- bCellular and radio reception may be negatively impacted
Metal roof ??/ O0 j, p \! ?* w
what's going to happen in a hail storm, will it be very loud ???5 N* e$ t8 Q& a5 t: |$ j' i' k: _# ^0 P
Summer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 - c% P( @0 B3 g% @1 o% |
Metal roof ??, U; T+ f( }; G! S" X% {4 t! p
what's going to happen in a hail storm, will it be very loud ???# i* w; _3 r7 S1 e, k1 }
Summer raining seas ...
icing 发表于 2014-6-7 22:36 * o& U7 @9 R5 u. f4 bMetal roof ?? ( D& Q, S1 u2 cwhat's going to happen in a hail storm, will it be very loud ???. V5 \% Q! D- y, g( ~
Summer raining seas ...
9 P+ q: } O/ ^; N% i2 Uthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.