Letter 41018

Corrosion Resistance of Aluminized Sheets [Philippines] 

June 7, 2006

Can aluminized sheets be corrugated and used as roofing material? Does the aluminum coating protect the base metal like zinc does especially on the sheared edges? Would alumuinized sheets be more corrosion resistant than zinc coated sheets? Thank you.

Michael Uy
Consumer - Manila, Philippines

There is a lot more field experience with galvanized roofing than aluminized, proving it to a good roofing material, but from a 10-minute look at comparitive studies in other fields, it sounds to me like aluminized would be as good or better.

 
Ted Mooney, P.E.
finishing.com Inc. - Brick, NJ

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