Checking a closet opening before ordering bifold doors

Finish Carpentry
Closets & Shelving
Remodeling

Bifold and bypass units come cut to a nominal opening, and the opening in an older house is rarely nominal. Measure the height in one place, order to it, and the door binds at the jamb where the floor rose half an inch. The T1M Utility stores each reading against the opening as it is taken, so both jamb heights and the width at head and floor sit in one named list. What goes on the order is the set of real dimensions, not the one number somebody remembered.

How the opening gets checked

Take the height at both jambs, not one
T1M stores readings against the opening
Width checked at the head and at the floor
Order to the set, not the one number
T1M named list keeps openings separate

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The video checks a closet with both the T1 and the T1M: shelf and opening readings taken inside the box, 10 and 9, then two heights at different points of the opening, 78 5/8 and 81 5/8. That spread is the reason the check exists. One height is not the opening, and the unit gets ordered to the whole set rather than to a single reading.