American Door Co of Maryland

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  All manufacturers have standard locations for their products.

All of the measurements on our charts are taken from the top of the door.  To calculate the locations on the frame, simply add 1/8" to the measurement from the chart.
bullet6-8 1 3/4 Doors with 3Ea. 4 1/2" Butt hinges
bullet7-0 1 3/4 Doors with 3Ea. 4 1/2" Butt hinges
bullet7-2 1 3/4 Doors with 3Ea. 4 1/2" Butt hinges
bullet8-0 1 3/4 Doors with 4Ea. 4 1/2" Butt hinges

Wood Doors

All of our wood doors are prefit and beveled.  We allow for 1/8" head clearance and 5/8" sill clearance making the net door size 3/4" less than nominal size.  Wood doors are also undersized 3/16" in width on the high side.  For instance, if you order a 30 x 70 wood door, actual size would be 35 13/16 x 83 1/4 to the high side of the bevel.

Our standard hinge backset is 7/32".

Hollow Metal Doors

All of our hollow metal doors are square edge.  We allow for 1/8" head clearance and 5/8" sill clearance making the net door size 3/4" less than nominal size.  Active hollow metal doors are undersized 1/4" in width and inactive hollow metal doors are undersized 1/8" in width.

Our standard hinge backset is 7/32".


 

 

 

 

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