Measurement Guide

For inside mounts:
Record the
narrowest width and
longest height.
For outside
mounts: Add extra
inches (approximately
3") to the width and
height for optimum
light control and
privacy.
For inside mounts:
Record the
narrowest width and
shortest height.
For outside
mounts: Add extra
inches to the width
(3-6") for optimum
light control and
privacy, or if you want
the entire window
uncovered when the
blind is fully open. To
ensure vanes clear
the floor, deduct
1/2" from the height
measurement.
For all measurements, use a steel tape measure only.
Measure to the nearest 1/8".
HOW TO MEASURE WINDOW TREATMENTS
Inside Mount
window treatments
are installed inside
the window casing.
Outside Mount
window treatments
are mounted outside
the window casing
and provide better
privacy. Mount directly
on the wall or to the
window molding.
For inside mounts:
Measure the inside
of the window frame
in 3 places for width
and height.
For outside
mounts:
Measure the
overall area to
be covered.
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1
2
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Horizontal Blinds:
Vertical Blinds:
Record Measurements
Record Measurements
Choose Mount Type
Choose Mount Type
Measure
Measure
Inside Mount
window treatments
are installed inside
the window or door
casing.
Outside Mount
window treatments
are mounted outside
the window casing.
Mount directly on the
wall or to the window
or door molding.
For inside mounts:
Measure the inside of
the window or door
frame in 3 places
for width and height.
For height, measure
from the bottom of the
casing to the top of the
window sill (or to the
floor for patio doors).
For outside
mounts: Determine
the location of the
headrail. Measure,
from the top of the
headrail, the overall
area to be covered.