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Letter 17019
Galvanealed or galvanized doors and
frames [New York]
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Recently a door company substituted galvannealed doors and frames
instead of the galvanized doors and frames that I asked for. They
stated that it is as good or better than what we asked for because
it's easier to paint and more durable than the galvanized doors. Is
this true?
Christopher Clay
- New York, NY, USA
First of two simultaneous responses--Oct
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If you're going to paint them, galvannealed is what you want.
Almost all automobiles today are made of painted galvannealed steel
and it holds up amazingly well to an incredibly tough environment.
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Ted Mooney, P.E.
finishing.com
Brick, NJ
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Second of two simultaneous responses-- ++
Yes I believe that what they told you is true.. Galvannial is the
trade name of Bethlehem Steel's zinc-aluminum alloy. It has been
reported to have better corrosion resistance and less voluminuous
corrosion products, and when chromated , better paint adhesion and
protection.
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I regularly specify gavlanealed doors and frames for all the
reasons stated. You shouldn't have trouble with them.
Joseph Cooley
architect - Rochester, New York, United States of America
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