Then check to ensure that your surround is flush.
Larson storm door measurements.
Depth be sure to leave at least 2 1 2 of opening depth between the inside window trim and the outside to allow room for your window.
Measuring for a storm door don t get intimidated when it comes to preparing for your new storm door.
Record the shortest dimension.
We ll take you step by step through the measurements you ll need to ensure a perfect fit.
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Take three measurements one across the top middle and bottom of the door a b c.
Measure in three places top middle and bottom.
For example following the larson size guide a door opening measuring 35 7 8 x 80 would require a 36 x 81 standard size storm door.
Record the narrowest dimension.
Record your measurements and take them to your nearest larson dealer.
If your home was built in the last 30 years your front door opening is likely about 36 inches wide by 80 81 inches tall.
For the width measure from left to right inside the brickmold where the storm door mounting rails will be installed.
Take the measurements of your opening.
However newer homes built after 1990 have been also using 36 inch widths also.
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Follow the measuring guide below or watch the how to measure video.
Storm doors come in all different sizes.
Measure the opening height vertically.
Measure the opening width horizontally.
Again take three measurements.
Height start from the high point of the sill of your window and measure to the top of the opening.
These steps will be key in ensuring a smooth storm door installation.
Back doors are traditionally 32 inches wide by 80 81 inches tall.
Left center and right.