MEASURING GUIDE

Height

Measure for height (H) from the sill to the underside of the exterior trim at the top of the door.

Width

Measure the width at the top (W1), center (W2) and bottom (W3) of the door opening. Use the shortest measurement when ordering if they vary.

Select Door Size

Use the sizing charts below to select a doorsize. Be sure to verify space requirements for the door you select.

Verify Rough Opening Requirements

Verify the minimum space requirements on your existing door frame to make sure that your new storm door will fit.

Dimension A

  • Minimum of ¾" (1.91cm) for all storm doors; except the 75 Series, Forever® Series and the 4000 Series Fullview with Laminated Safety Glass Storm Door which require 1" (2.54cm).

Dimension B

  • Minimum of 1” (2.54cm) required
  • For openings with exterior door trim measurement (B) less than 1” but greater than ¾”, order optional narrow mount kit for proper installation.

Dimension C

  • Minimum of 2 ½" (6.35cm) required

SIZING CHARTS

Andersen Windows Doors EMCO
Andersen® and EMCO® Doors
Door Size Rough Opening
Width Range
Rough Opening
Height Range
30" 29 7/8" to 30 3/8" 80" to 80 7/8"
32" 31 7/8" to 32 3/8" 80" to 80 7/8"
34" 33 7/8" to 34 3/8" 80" to 80 7/8"
36" 35 7/8" to 36 3/8" 80" to 80 7/8"

* For opening widths outside these ranges, custom doors provide the best fit and installation. Alternatively, for openings up to 1" wider than those listed in the size chart above, an optional z-bar extender kit is available for purchase. 84" and 96" heights available on the Andersen Contemporary Series fullview interchangeable door, 36" White; 96" also available in Almond. Rapid Install 2 doors have a rough opening height range of 80” to 81”.

Custom sizes

Door Size Rough Opening
Width Range
Rough Opening
Height Range
Andersen Custom 27 3/4" to 38-3/8" 72" to 84 7/8"
Andersen XL Custom 27 3/4" to 42" 72" to 96"
Emco Custom 27 3/4" to 38 3/8" 75" to 84 7/8"
Emco XL Custom 38 1/2" to 42" 79" to 91"

To qualify for Andersen Custom XL sizing, only one of the following conditions must be met:
•Width of opening must exceed 38 3/8" or
•Height of opening must exceed 84 7/8"
Andersen Custom XL must be specified RH or LH. Ask an associate for details. For openings up to 1" wider than those listed, order optional Z-Bar Extender kit. Kits are also available for double-door installation for all models and colors.

EMCO
Store-In-Door™ Doors
Door Size Rough Opening
Width Range
Rough Opening Height Range
30" 30" to 30 3/8" 80" to 80 7/8"
32" 32" to 32 3/8" 80" to 80 7/8"
36" 36" to 36 3/8" 80" to 80 7/8"