Advantages + p! z0 Y1 P, z+ @5 ], ?4 g' yVery durable in cold weather : l6 m' R4 u6 ^1 U. RHigh percentage of recycled material and are 100% recyclable # Q7 L/ M7 _. \9 }Disadvantages + Z: {7 A" K7 C' i. URusting (require maintenance to prevent corrosion)4 @& {! B" `/ n7 X
Copper and lead roofs can be targeted by metal thieves - u; h; K& b; XHigh heat conductivity of metals (particularly copper and aluminum) requires careful incorporation of insulation into the roof structure! s1 R- f! O" E+ L5 ^ \; n0 L
Cellular and radio reception may be negatively impacted
Metal roof ?? 6 d7 ` H0 a; V. y3 q5 Z& Nwhat's going to happen in a hail storm, will it be very loud ??? 3 W) `4 F- ?: M# S9 Q. mSummer raining season, if it rains in night, people can sleep well ???
icing 发表于 2014-6-7 21:36 + p' }- b( Q7 L1 N
Metal roof ?? ' c4 P; [) x% v$ zwhat's going to happen in a hail storm, will it be very loud ???! s: q' k) y9 ~7 h) h. O
Summer raining seas ...
icing 发表于 2014-6-7 22:36 5 y/ S! A4 l. {* m. l2 I, [
Metal roof ?? 9 G0 \6 q6 U6 }) X' [& awhat's going to happen in a hail storm, will it be very loud ??? 3 O# A9 u* P. r( lSummer 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.