Exterior Door Rough Opening Sizes

Getting the rough opening size right the first time, will save you from frustration, when installing your doors. Framing rough opening sizes are really quite simple. Just add 2” to the width of the actual door size. You should add 2-1/2” to the height of the actual door. This will give you room to space the door frame off the sub-floor.

                                                   
Exterior Inswing Single Units
RO OS Frame OS Brick Mld
Note: Deduct 1” for Outswing Units.
2/632” x 82-1/4”31-1/2” x 81-3/4”34” x 83”
2/834” x 82-1/4”33-1/2” x 81-3/4”36” x 83”
3/038” x 82-1/4”37-1/2” x 81-3/4”40” x 83”
                                               
Exterior Inswing Double Units
RO OS Frame OS Brick Mld
2/662” x 82-1/4”61-7/8” x 81-3/4”64-3/8” x 83”
2/866” x 82-1/4”65-7/8” x 81-3/4”66-3/8” x 83”
3/071” x 82-1/4”73-7/8” x 81-3/4”76-3/8” x 83”
               
Exterior Inswing Single Unit - 1 Sidelite
RO OS Frame OS Brick Mld
3/051-1/2” x 82-1/4”51” x 81-3/4”53-1/2” x 83”
               
Exterior Inswing Single Unit - 2 Sidelite
RO OS Frame OS Brick Mld
3/065-1/4” x 82-1/4”64-3/4” x 81-3/4”67-3/8” x 83”
                                               
Exterior Inswing Double Patio Single Unit
RO OS Frame OS Brick Mld
2/663-1/2” x 82-1/4”63” x 81-3/4”65-3/8” x 83”
2/867-1/2” x 82-1/4”67” x 81-3/4”69-3/8” x 83”
3/075-1/2” x 82-1/4”75” x 81-3/4”77-3/8” x 83”
                                               
Exterior Inswing Triple Patio Single Unit
RO OS Frame OS Brick Mld
2/695” x 82-1/4”94-1/2” x 81-3/4”97” x 83”
2/8101” x 82-1/4”100-1/2” x 81-3/4”103” x 83”
3/0113” x 82-1/4”112-1/2” x 81-3/4”115” x 83”
               
Inswing Unit With 12” Transom Sash - Height
RO OS Frame OS Brick Mld
95-3/4”95-1/4”96-3/4”
                               
8/0 Exterior Inswing Unit
RO OS Frame OS Brick Mld
2/866-1/2” x 98-1/4”65-7/8” x 97-3/4”68-3/8” x 99”
3/074-1/2” x 98-1/4”73-7/8” x 97-3/4”76-3/8” x 99”