MEASURING GUIDE

4 Easy-To Follow Steps to Measure Your Own Windows

Step 1

  • Measure inside width and height in 3 places.
  • Inside Mount: take the smallest measurement.
  • Outside Mount: take the largest measurement.
step2

Step 2

Measure diagonally to check window squareness.

If the difference between the two diagonal measurements is greater than 1/4″, outside mount is highly recommended. 

step3

Step 3

Verify if there is a minimum of 1 1 /2" of flat wall surface around the window to mount the frames.

If there is enough flat surface around the window, Outside Mount is preferred.
step4

Step 4

Ensure there is a minimum of 5/8″ depth clearance from any obstruction inside of window opening.