Advantages0 P) u( C( \$ {% U+ E& l
Very durable in cold weather2 x" q0 C! ?3 d
High percentage of recycled material and are 100% recyclable 8 q" w8 f* T+ j; zDisadvantages 1 T( B7 z+ _% S; QRusting (require maintenance to prevent corrosion) : A+ G- _" t) i, DCopper and lead roofs can be targeted by metal thieves2 X& a z7 p! Z* d" Z
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure + I! H( h9 E/ e5 T) \4 zCellular and radio reception may be negatively impacted
Metal roof ??7 L4 y+ j2 Y5 ~0 t4 \$ q
what's going to happen in a hail storm, will it be very loud ??? % b6 @; W0 f6 I# K6 U" U) K8 s5 h$ GSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 : ?: k/ n" r- KMetal roof ?? 2 }' o$ O- ^) _$ P: xwhat's going to happen in a hail storm, will it be very loud ???$ h. D+ C! F8 G; a! k" l) I
Summer raining seas ...
icing 发表于 2014-6-7 22:36 : t& z a) W: { _" _
Metal roof ?? # K% s- A! q4 r/ k" Kwhat's going to happen in a hail storm, will it be very loud ??? ' f, n* p) }; a1 M- |! QSummer raining seas ...
5 O) @8 w1 |; A& ~" W/ E) Mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.