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How to Measure for the Call Size of RV/Motor Home Doors

We carry several standard sizes for RV/ motor home doors. Before you order your door, it is very important to determine the "call size" of the door you will need. The call size is simply the width and height of the rough opening in the wall where the entire door (including the frame) will be installed. Here are the best ways to determine the call size without having to remove the door from the wall.

Method 1: Measure the width and height of the out-swing door in its closed position from the outside, and use these charts to determine the call size.

Out-Swing Door Width ► 21 3/4" 23 3/4" 25 3/4" 27 3/4" 29 3/4" 31 3/4" 33 3/4" 35 3/4"
Actual Call Size Width ► 22" 24" 26" 28" 30" 32" 34" 36"
Out-Swing Door Height 67 7/8" 69 7/8" 71 7/8" 73 7/8" 75 7/8" 77 7/8" 79 7/8"
Actual Call Size Height 68" 70" 72" 74" 76" 78" 80"

Method 2: You can also measure the entire door frame, (including the flange with the screw holes) from the outside of your home, and refer to the charts below to determine the call size.

Entire Outside Frame Width 24 1/2" 26 1/2" 28 1/2" 30 1/2" 32 1/2" 34 1/2" 36 1/2" 38 1/2"
Actual Call Size Width 22" 24" 26" 28" 30" 32" 34" 36"
Entire Outside Frame Height 70" 72" 74" 76" 78" 80" 82"
Actual Call Size Height 68" 70" 72" 74" 76" 78" 80"

Method 3: You can also measure the inside part of the door from frame to frame, with the screen door closed, and refer to the charts below. (Do not measure the screen door itself from edge to edge, but the frame that keeps the screen door from swinging in.)

Inside Frame to Frame Width 20 1/4" 22 1/4" 24 1/4" 26 1/4" 28 1/4" 30 1/4" 32 1/4" 34 1/4"
Actual Call Size Width 22" 24" 26" 28" 30" 32" 34" 36"
Inside Frame to Frame Height 66 1/8" 68 1/8" 70 1/8" 72 1/8" 74 1/8" 76 1/8" 78 1/8"
Actual Call Size Height 68" 70" 72" 74" 76" 78" 80"

To be more certain about determining the call size, we recommended that you measure your existing door as many ways as possible. We will help you cross reference your measurements and determine the call size for your door.

Important: The measurements on this page correspond to the Phillips brand of doors, the only brand we carry. A Phillips door can in most cases replace another brand, but bear in mind your measurements may be different than those listed on this page. Please contact us with your measurements, and we will help you!

How to Identify Left or Right Hinge: Look at the door from the outside of the home. The side with the hinges determines left or right. (Example: hinges on the right, right-hinged door)

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