This will ensure that the storm window provides the greatest energy efficiency benefit.
How to measure for larson storm windows.
Measure the opening height vertically.
To determine the height measure from the sill to the inside of the moulding at the top of the window.
Record the shortest dimension.
Measure the inside of the frame for the height of the replacement storm window.
You ll need to do the following.
The dimensions of the vinyl covered wood vertical mullions are 1 5 8 deep x 1 1 8 wide.
Record your measurements and take them to your nearest larson dealer.
Take three measurements one across the top middle and bottom of the door a b c.
Search storm windows premium series storm windows stand up to wind and life s little challenges.
It is important to measure on both sides up and down and in the center so that you know that the measurements all around are even.
Measure opening width at three locations top center bottom measure opening height at three locations right center left round the narrowest width and the shortest height down to the nearest 1 16 and provide these dimensions when ordering.
Measure at the bottom middle and top of the window.
Measure at the left middle and right of the window.
Larson storm windows instantly reduce window drafts by up to 48.
Measure the opening width horizontally as shown below.
Measure the length for the mullion where it is to be installed.
Generally double hung windows taller than 72 inches should be done as 2 windows with a horizontal mullion.
Use the narrowest measurement for the width of your storm window.
Additional distance between the primary and storm windows won t improve energy efficiency but may help further reduce noise transmitted through the window opening.
This will be from the bottom sill all of the way up to the top jamb.
Measuring measure opening width at three locations top center bottom measure opening height at three locations right center left round the narrowest width and the shortest height down to the nearest 1 16 and provide these dimensions when.