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Thread: Securing the metal cap
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11-06-2007, 07:41 PM #1
Securing the metal cap
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Similar Threads:Last edited by dan orourke; 12-31-2007 at 10:01 AM.
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11-06-2007, 08:19 PM #2
Re: Securing the metal cap
Looks like 2 sections of heating duct modified to fit the chase.
What happens to the masonry as those screws rust and expand?
What happens when the wire rusts through?
I would recommend replacement with a correct cap. I would assume that there is a concrete cap under that sheet metal that has deteriorated, why not replace the damaged cap with a proper concrete cap.
BTW, damaged caps can allow for damage to the tile flue liner. What did it look like? Even minor spalling of a liner is detrimental.
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