Advantages) ?' V L1 C6 ]" x) G$ \+ ~; Q
Very durable in cold weather! ^$ J. z( G" b3 d% v3 }
High percentage of recycled material and are 100% recyclable* v2 k" o7 |$ y+ f6 p1 d- _. w2 t) `
Disadvantages : O- f# W% z# MRusting (require maintenance to prevent corrosion)6 Z* y* a# W: w6 f8 j
Copper and lead roofs can be targeted by metal thieves: H/ n* Z) K" B4 E
High heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure( p/ Y; {$ Q# k) u, v
Cellular and radio reception may be negatively impacted
Metal roof ??* v9 e; _# S8 v( _
what's going to happen in a hail storm, will it be very loud ??? : u3 F4 R; T; h% e# jSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 1 i% d' b7 w$ U
Metal roof ?? 8 s' h9 e7 n& E+ a( M# kwhat's going to happen in a hail storm, will it be very loud ??? t- {9 r! M% h7 b
Summer raining seas ...
icing 发表于 2014-6-7 22:36 , o' l4 f. T6 y; k( i/ Q
Metal roof ?? 0 G2 u0 _4 z% K. J$ K7 Vwhat's going to happen in a hail storm, will it be very loud ???& r+ m6 z }* l5 g m- q+ n
Summer raining seas ...
7 q1 v* G2 t( |; mthat is not my major concern, the hail won't last long, but other issues bother me such as cell signals, conductivity, etc.