Instructions / Assembly
Choosing the right size door is a breeze.
Andersen
®
 storm doors conveniently attach to the exterior trim of an existing entry door. 
Find the door size you need by following these easy steps.
1
  Height 
Measure for height (H) from 
the sill to the underside of 
the exterior trim at the top 
of the door. 
H _________________
Record your door height.
2
  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. 
W1 _____ W2 _____ W3 _____  
Record your door width. 
For double doors, order 2 doors 
and a double door kit.
3
  Select Door Size 
 Use the sizing charts  
below to select a door 
size. Be sure to verify 
space requirements for 
the door you select. 
_______________________ 
Record the door size you need.
A
Exterior door trim (brick mould)
Storm Door Opening Width
Measure from inside face of brick mould
SILL
ENTRANCE DOOR (closed position)
TOP VIEW
Door frame
(jamb)
A
C
B
Door frame
(jamb)
W1
H
W2
W3
Sill
Exterior
door trim
(brick mould)
Storm Door Size Charts
Need a custom size?
Andersen  27  
3
/
4" to 38  
3
/
8"  72" to 84  
7
/
8"
Andersen XL  27  
3
/
4" to 42"  72" to 96"
EMCO  27  
3
/
4" to 38  
3
/
8"  75" to 84  
7
/
8"
EMCO XL  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.
DOOR
SIZE
ROUGH OPENING
WIDTH RANGE
ROUGH OPENING
HEIGHT RANGE
Andersen
®
 and EMCO
®
 Doors
30"  29  
7
/
8" to 30  
3
/
8"
32"  31  
7
/
8" to 32  
3
/
8"
33"  32 
7
/
8" to 33 
3
/
8"
34"  33  
7
/
8" to 34  
3
/
8"
36"  35  
7
/
8" to 36  
3
/
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 3000 Series Fullview with Clear Glass door, 36" White; 
96" also available in Almond.
DOOR
SIZE
ROUGH OPENING
WIDTH RANGE
ROUGH OPENING
HEIGHT RANGE
80" to 80  
7
/
8"
for all door sizes*
Verify Rough Opening Requirements
Select a storm door and then verify the minimum space requirements on 
your existing door frame to make sure that your new storm door will fit.
For more information visit AndersenStormDoorsAtHomeDepot.com 
“Andersen” is a registered trademark of Andersen Corporation. EMCO Enterprises, Inc. is a wholly owned subsidiary of Andersen Corporation. EMCO manufactures the storm doors in this brochure 
and supports the limited warranties. All other marks where denoted are trademarks of Andersen Corporation. “The Home Depot” and The Home Depot logos are trademarks of Homer TLC, Inc. 
©2011 Andersen Corporation. All rights reserved. 
EMCO
®
 Forever
®
 Storm Doors
30"  30" to 30  
3
/
8"
32"  32" to 32  
3
/
8"
36"  36" to 36  
3
/
8"
80" to 80  
7
/
8"
for all door sizes**
DOOR
SIZE
ROUGH OPENING
WIDTH RANGE
ROUGH OPENING
HEIGHT RANGE
A
Exterior door trim (brick mould)
Storm Door Opening Width
Measure from inside face of brick mould
SILL
ENTRANCE DOOR (closed position)
TOP VIEW
INTERIOR
EXTERIOR
Door frame
(jamb)
A
C
B
Door frame
(jamb)
W1
H
W2
W3
Sill
Exterior
door trim
(brick mould)
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 3/4”, 
order optional narrow 
mount kit for proper 
installation.
DIMENSION C  
   Minimum of 2 ½" 
(6.35cm) required

