To find width: Measure width of window opening at the top, middle, and bottom and use the narrowest dimension for ordering. Specify if your width measurement is the total shade width you desire (tip-to-tip) or the width of the fabric (cloth-to-cloth). The cloth-to-cloth measurement is 1 3/8" less than the tip-to-tip measurement. The factory will automatically take an allowance of 3/8" for operating clearance unless you specify otherwise.
To find height: Measure the height of the window from top of opening to top of sill in two places.
To install the product flush with the window frame, a minimum window depth of 2" is required without a valance and a minimum window depth of 4" is required with a valance.
Tip-to-Tip Measure is the common measure type for most roller shades. Choosing this measure type will include the headrail "pegs" that mount the shade to the wall or frame.
measure for: outside mount roller shades
To find width: Measure the exact width of the area to be covered. It is recommended that 3" be added to the shade width for the standard overlap of 1 1/2" on each side. Specify if your width measurement is the total shade width you desire (tip-to-tip) or the width of the fabric (cloth-to-cloth). The cloth-to-cloth measurement is 1 3/8" less than the tip-to-tip measurement.
To find height: Measure the height of the area to be covered. Measure from the ceiling or desired point above the window to approximately 1 1/2" below the window frame.
Cloth Measure is uncommon and should only be used for Outside Frame applications. The headrail is wider than the cloth of the shade which causes the "pegs" to extend beyond the width of the shade material. This total distance is 1-3/8" wide, or a gap of 11/16" on each side of the shade material.
allow some overlap
For outside mount applications allow the blind to overlap 1 1/2" to 3" on the sides, top and bottom of the window.