Rough opening are 2" wider and 2-2 1/2" taller than than the door itself. 2/8" door needs a 2/10" wide opening.
38" it's actually 82 3/4" high and 38" wide
The rough opening width for a 24" door is 26-1/2" The rough opening height for a 24" door is 26-5/8" Rough openings are 2" wider and 2-1/2" taller than the actual door. This allows room for the door frame and adjustment.
It's generally 24" - but newer dishwasher drawers may have different dimensions and there are 18" dishwasher out there. Best bet is to check with the manufacturer of the dishwasher model you are installing and plan accordingly.
Rough opening is an opening in a wall, or the framework of a building, into which a door frame or window frame, subframe, or rough buck is fitted.It is a measurement that a manufacture needs for installment of their component applications.
You will need a "2 6" or 30" wide door. Make sure your rough opening height is around 82 1/2".
3' wide 6'8" high slab. Full unit size around 37-5/8" wide by 82" high. Rough opening 38-3/8" wide by 82-1/2" high.
Rough opening requirements vary by door manufacturer. It would be best to check with the lumberyard where you plan to purchase the door, but if you've got to get it framed now, make it 38-1/2" wide, and 6'-11" high. You can always build it in later if necessary.
Standard dishwashers are 24" wide.
Make your rough opening 2 1/2 inches larger on the width and height.
sill opening of a wall
3000ft wide 200ft tall 2465ft in length