How to Measure Your Door

48
How to Measure Your Door
MEASURE THE WIDTH OF YOUR EXISTING DOOR JAMB:
4-9/16" 6-9/16" Other
MEASURE THE EXISTING ROUGH OPENING
To ensure accurate measurements, first remove the interior casing on the sides
and top of your single or double door to reveal rough opening frame.
1. Measure from inside the face of one stud to inside the face
of the other stud
A
and write down the measurement.
2. Measure from the subfloor (plywood or concrete) to the bottom of the
header above the door
B
and write down the measurement.
Measurement A ________________
Measurement B ________________
A
B
* For 32" wide doors, deduct 4" from the rough opening width sizes.
* Rough opening specifications are for inswing units.
* For outswing units, deduct 1-1/8" from the rough opening height.
* Rough opening specifications for transom units are for decorative glass transoms.
* Note: transoms will be supplied unattached from the door unit.
Left LeftRight Right
Inswing Outswing
Left LeftRight Right
Hinged Double Door Inswing Hinged Double Door Outswing
Sidelites are shown for
example and may not be
in your existing opening.
Door Width* Rough Opening
Single 36" 38-1/4" x 82-1/8"
Single 36" One 12" sidelite 51-3/4" x 82-1/8"
Single 36" Two 12" sidelites 65-1/4" x 82-1/8"
Single 36" Two 12" sidelites with rectangle transom 65-1/4" x 95-3/4"
Single 36" Two 12"sidelites with ellipse transom 65-1/4 " x 96-1/2"
Double 36" 74-3/4" x 82-1/8"
CHOOSE YOUR DOOR HANDING AND SWING
Masonite
®
doors can be installed for right or left handed operation
(as viewed from outside the home)
ROUGH OPENING SPECIFICATIONS FOR UNITS WITH 36" WIDE DOOR
masonite.com
LWS-18401-EXT-2018-Catalog-P5.indd 48 4/23/18 12:01 PM