Does Von Duprin charge extra for devices for 2 1/4" thick doors?

There is not an additional charge.  Von Duprin furnishes fasteners for 1 3/4" and 2 1/4" thick doors.  However, door thicknesses other than 1 3/4" should always be stated on a purchase order.  While Von Duprin doesn't charge extra for 2 1/4" thick doors, some different components (other than longer screws) may need to be furnished.

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