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Door Type

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dik

Structural
Apr 13, 2001
26,079
I'm trying to determine the name of an industrial fire rated door. It is almost archaic and is/was located in some old industrial buildings.

The manner of construction was prescribed and it could provide a 2 hour or more FRR. It was recognised by one of the Building Codes in Canada, the NFPA or FM Global; I don't recall, now.

It was fabricated from sheet metal material and was often suspended on rollers and overhead channel track, with gravity closure and a metal bracket at the closure end to prevent it from being 'pushed' open and to provide a seal. It sometimes had pulleys and a 'bucket' counterbalance to assist opening.

Can anyone recall the name of this door assembly?

Dik
 
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dik...doesn't ring a bell. Have you contacted Warnock Hersey? They rated most of these doors.
 
I've seen what you describe many times, but can't recall the manufacturer either.

Mike McCann
MMC Engineering

 
I just checked with another oldie... and he thinks they are called Kalamein doors... will chase that down...

Dik
 
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