Barn Door Rough Opening Height
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Your door s width should be 2 to 3 inches wider than the door opening and 1 inch higher than the dimensions of your opening.
Barn door rough opening height. Measure from the header to the floor to determine the door length you need. Again for doorways with moldings measure from the top edge. Barn door measuring guide. Barn door opening measurements while the style of barn door you choose will come down to your personal preference you will need to be aware of barn door vs opening dimensions when making your choice.
Measure across for the width and from the top of the casing molding to the floor for height. Once you ve established your desired door size. Add 1 to 2 per door for overlap depending on privacy needs. For the door height we recommend measuring from the floor to the top of the opening.
Ideally the door will cover 2 to 3 inches beyond the opening on each side. Generally most standard barn doors are approximately 36 x 84 or 42 x 80 with enough extra lip to overlap most standard door frames 36 x 80 by an inch or so. Measure from outside to outside of casing molding. Measure the height of your door opening from the top molding edge to floor.
In this example the total height is 80 once mounted the door will hang 1 off the floor which will add the bit of coverage you need at the top of the opening. For door openings with casing molding. To start measure the width of your door opening from outside molding edge to outside molding edge and add 1 inch or more on each side for overlap. To figure out what size track you need double your final width measurement.