How To Build A Rough Opening For An Exterior Door?

Answer:

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 of the sub-floor.


How To Frame A Door Opening


Two Wall Framing Methods for Window Rough Openings


Frequently Asked Questions

How much larger should a rough opening be for an exterior door?

The rough opening should be at least ¾ inch wider and ⅜ inch taller than the door frame.

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