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May 09 2011

Mag Holder Extensions

Category: Electrified Hardware,Fire DoorsLori @ 11:12 pm Comments (5)

I’m getting ready to head to NYC to do a presentation for the DHI chapter there, so here are some quick photos of a cross-corridor fire-rated pair sent in by Andy Olson of Reliable Glass and Door.  There has to be some sort of rule against this.

5 Responses to “Mag Holder Extensions”

  1. Sam says:

    Are those cardboard boxes?!

  2. Eric Henken says:

    Reminds me of a time a long time ago when I stacked two Norton 1605 closers on top of each other and linked the spindles together to double the power. It was a very big door…sorry no pictures

    • Jess says:

      hello Eric, about those 2 closers, i have heard of this happening, you most commonly will find a tandem closer install on cruise ships and yes very tall or really heavy doors that no single closer can handle.

      another way of tandem closer installation involves 2 complete closers instead of 2 closer bodies using the same arm is install one on pull side, and another closer on push side.

      only thing you have to worry about with a tandem install, (closer on both sides of the door) is to be careful were the screw hole layouts are, they have to be offset of eachother so you can mount both closers without ending up with them both sharing 1 or more of the screw holes on the door (that can be bad if using the thru-bolts).

      as long as i have been alive and knowing about closers, i have only seen the install happening mostly in Europe, (i have not yet seen one here in the USA yet)

      -Jess the door(closer)doctor

  3. Steven Seigler says:

    Looks like chicken salad to me….

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