How To Measure For Blinds And Shades
Use a metal measuring tape to take all measurements.
Take all your measurements at 1/8 of an inch.
Measure twice to avoid errors.
INSIDE MOUNT
WIDTH: Measure from left to right in 3 positions (top, middle, bottom). Take the smallest measurement.
HEIGHT: Measure from top to bottom in 3 positions (left, center, right). Take the largest measurement.
Do not make any deductions when you are measure blinds and shades. The manufacturer will be sure to make them for a perfect fit.
Important notice
For roller shades, sheer shades, zebra blinds windows and horizontal blinds the cassette, valence, headrail or roller will be the same width as the measurement given and the fabric will be shortened about 1/2 an inch on each side. For accurate measure blinds and shades, you can use some tools that fits for you.
OUTSIDE MOUNT
WIDTH: Give the measurements of the space you want to cover from left to right.
HEIGHT: Give the measurements of the space you want to cover from top to bottom.
Important notice
The cassette, valence, headrail or roller will be the same width as the measurement given and the fabric will be shortened about 5/8th of an inch on each side, which is why, for example, if the space to be covered is 60″ in width, it is recommended to order 64″ (or 2″ extra on each side) to ensure that the entire window frame is covered, preventing any light from penetrating through any gaps.