 | WIDTH: With your steel tape, measure from the outside
opening from the left side to the obstacle that projects furthest from the right side of the window. Take this measurement at the bottom, middle and top of the window opening. Select the widest of measurments as the correct measurement. This will give you the measurement which will determine the width of your window.
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|  |  | | HEIGHT:
With your steel tape, measure from the outside opening from the top side to the obstacle that projects furthest from the bottom side of the window. Take this measurement at the left, middle and right of the window opening. Select the shortest of measurments as the correct measurement. This will give you the measurement which will determine the height of your window.
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