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Scale Model Building - Cross Referencing HO Scale Doors & Windows:

The chart below is designed to assist in the selection of suitable windows for your HO, N, or OO www.scalemodelbuildings.co structure projects.

Overview:

Modern day windows are generally factory made to strict specifications, and can be framed in aluminum, steel, wood, vinyl-wrapped wood, or other materials. Standard sized windows are often available in increments of 6" in width or height, and custom windows can be manufactured to non-standard sizes and shapes. However, in many older buildings the windows were fabricated on site by the builder, or in local woodwork shops, to various sizes and tolerances. Because of this it is not uncommon to find an old building with odd sized windows. If you are trying to model such a building to exact specifications it might be difficult, unless you plan on making your own scale windows. Even if you do, unless you can work within a tolerance of a few thousandths of an inch you are going to experience some difficulty. For this reason, we sometimes have to be somewhat forgiving when choosing windows for scale models.

 
HO Scale door

HO Scale door used as N Scale freight door

Doors and windows in scalemodelbuildings.co plans are drawn as closely as Model Train Plans for Structures practicable to represent the original buildings that they model. In most cases you can achieve very accurate historical representation with commercially available scale plastic windows, but in some cases you can comfortably accept a close facsimile. After all, a difference of one inch in real life works out to the thickness of only a sheet or two of paper in HO or N scale.  Another thing to consider is that many older buildings were taken from plans that were repeated, or catalog homes, where window sizes would vary from site to site, so it is difficult to determine what the "correct" size would have been.

Interchaneabilty - Things are not always as they appear!

Having a good supply of windows and doors makes interchangeability a lot easier. I try to keep some of everything on hand so I am able to sort through and find just what I'm looking for. Sometimes, a little imagination and creativity comes in handy. The chart below will help in this regard.

The image on the left shows a Northeastern Scale Lumber D104 HO Scale panel door, being used as a loading dock door for an N Scale CPR Depot. The door was glued in place, then trimmed flush to the bottom of the wall with a reinforced edge razor blade. In this case the 30" wide doors scale to just under 5' wide in N scale, which works out suitably for the freight doors required for the CPR depot done in N scale.

This is Plan 2054, a CPR Plan Type 10 Depot done in N scale using HO Scale windows and freight doors. The 'man doors' were hand made using .017" veneer, but the other doors and windows are either stock or trimmed HO scale from Northeastern Scale Lumber.

Passenger depot windows are stock W105NEB, dormer windows are trimmed W112NEB, clerestory/transom windows are W112NEB, (one piece makes two windows), and the freight doors were D104NEB.

N Scale house

How to Use This Chart:

Decide on the window sizes that you plan on using either based on the plans or your personal choice, and convert the window plan dimensions from feet & inches to just inches. On standard architectural plans, door and window dimensions are given in feet and inches, width by height.

For example:

a 4436 window is 52" (4'4") wide by 42" (3'6") high.

Check the HO scale dimensions column for the nearest match. In this example a Northeastern Scale Lumber part  #W109NEB would be an exact match. In some cases there may not be an exact match, in which case you could choose the closest available size.

Interchangeability:

Although there are several windows available in both N scale and O scale, HO scale still seems to be the most common. As mentioned above, in some cases HO scale windows can be used successfully on other scales.  The chart below lists the part numbers, actual, and scale sizes of HO scale doors and windows from three manufacturers. It also lists the N scale and O scale equivalent dimensions.

Example #1:

Part  #W105NEB  is an HO scale 18" by 28" window, (1624 on the plans), but could be used as a 33" by 51" window in N scale.  If an N scale plan called for a 3040, this could be used as an alternative as it is very close in size.  Naturally, not every window will lend itself to multiple scales, but several will. This chart should help to find these alternatives so that you can increase your success in finding ready made windows for your scratch built structures.

Example #2:

If an OO scale plan called for a 3020 window, (36" by 24") you could get away with an HO scale  #W114NEB , which is actually 40" by 27" in HO scale.

Table of HO Scale (1:87) Doors & Windows by Manufacturer (dim. in inches)

Some of these will work with N and OO scale
Northeastern Scale Lumber

HO Scale dimensions

Actual

opening size

N Scale dimensions

OO Scale dimensions
Windows
Part # Description

W inches

H

inches

W inches

H

inches

W inches

H

inches

W inches

H

inches
W100NE  4/4 DBL Hung 27 62 0.37 0.78 50 114 24 54
W101NEB  4/4 DBL Hung 25 48 0.34 0.62 46 88 22 42
W102NEB 2/2 DBL Hung  28 69 0.38 0.83 51 127 24 60
W103NEB 9/9 DBL Hung 38 92 0.47 1.11 70 169 33 80
W104NEB Work Car 24 24 0.37 0.36 44 44 21 21
W105NEB Work Car 18 28 0.26 0.37 33 51 16 24
W106NEB 2/2 DBL Hung 24 56 0.33 0.71 44 103 21 49
W107NEB 4/4 DBL Hung 27 62 0.37 0.78 50 114 24 54
W108NEB 4/4 DBL Hung 34 81 0.44 0.98 63 149 30 71
W109NEB 4/4 Horizontal Slider 52 42 0.65 0.53 96 77 45 37
W110NEB 6 Panel 34 64 0.44 0.78 63 118 30 56
W111NEB 2/2 DBL Hung 30 47 0.36 0.58 55 86 26 41
W112NEB 6/6 DBL Hung 30 66 0.4 0.81 55 121 26 58
W113NEB 6/6 DBL Hung 36 64 0.46 0.78 66 118 31 56
W114NEB 6 Light 40 27 0.51 0.35 74 50 35 24
W115NEB DBL HUNG - DBL WIDE 30 66 0.77 0.81 55 121 26 58
W116NEB 6/6 DBL HUNG 30 66     55 121 26 58
                   

Doors

                
D100NEB 4 Lite Door 30 80 0.38 0.94 55 147 26 70
D101NEB 4 Panel Door 30 80 0.4 0.96 55 147 26 70
D102NEB 4 Lite Door 30 80 0.38 1.16 55 147 26 70
D103NEB Freight Door w/ 5 Lite 72 108 0.95 1.29 132 199 63 94
D104NEB Panel Door 30 80 0.47 0.99 55 147 26 70
D105NEB Barn Door 36 80 0.42 0.89 66 147 31 70
                   

Download Window & Door Cut-out Template
Tichytraingroup.com (Grandt in brackets)

HO Scale dimensions

Actual

opening size

N Scale dimensions

OO Scale Dimensions
Windows
Part # Description W H W H W H W H
 8010 6 Lite 42 36 0.52 0.47 77 66 37 31
 8014 4/4 Double Hung 32 54 0.43 0.68 59 99 28 47
(5112) 8023 6 LITE ATTIC WINDOW 28 26 0.37 0.33 51 48 24 23
(5031) 8024 6/6 DOUBLE HUNG WINDOW 36 64 0.46 0.78 66 118 31 56
(5215) 8025 2/2 DOUBLE HUNG WINDOW 30 62 0.36 0.75 55 114 26 54
(5242) 8026 6 LITE WINDOW 40 27 0.51 0.35 74 50 35 24
(5030) 8028 4/4 DOUBLE HUNG WINDOW 27 62 0.37 0.78 50 114 24 54
8029 4/4 DOUBLE HUNG WINDOW 25 48 0.34 0.62 46 88 22 42
8030 DOUBLE HUNG WINDOW 30 80 0.4 0.98 55 147 26 70
(5060) 8031 2/2 DOUBLE HUNG WINDOW 28 69 0.38 0.83 51 127 24 60
(5081) 8042 HORIZONTAL SLIDER 52 33 0.64 0.42 96 61 45 29
(5117) 8043 2/2 DOUBLE HUNG WINDOW 36 64 0.45 0.78 66 118 31 56
8047 ROUND TOP WINDOW 30 58 0.38 0.67 55 107 26 51
(5097) 8054 9/9 DOUBLE HUNG WINDOW 44 90 0.54 1.07 81 166 38 79
8055 9/9 DOUBLE HUNG ARCH TOP WINDOW 44 90 0.54 1.07 81 166 38 79
8056 9/9 DOUBLE HUNG WINDOW 38 92 0.47 1.11 70 169 33 80
8057 6/6 DOUBLE HUNG 25 92 0.34 1.11 46 169 22 80
(5195) 8061 2/2 DOUBLE HUNG WINDOW 36 82 0.5 1 66 151 31 72
8062 2/2 DOUBLE HUNG 24 56 0.33 0.71 44 103 21 49
8063 DOUBLE DBL HUNG 2/2 52 56 0.675 0.71 96 103 45 49
(5222) 8064 DOUBLE DBL HUNG 4/4 59 64 0.705 0.8 109 118 52 56
(5210) 8065 SIX UNIT DBL HUNG 4/4 180 64 2.11 0.8 331 118 157 56
(5239) 8067 4 PANE SASH. 24 24 0.37 0.36 44 44 21 21
(5059) 8068 4 PANE SASH. 18 28 0.26 0.37 33 51 16 24
8069 4/4 DOUBLE HUNG 27 62 0.37 0.78 50 114 24 54
(5032) 8071 8/8 DOUBLE HUNG 36 52 0.455 0.61 66 96 31 45
8072 2/2 DOUBLE HUNG ARCH TOP 30 60 0.39 0.71 55 110 26 52
8074 2 PANE WINDOW 36 9 0.5 0.152 66 17 31 8
8088 4/4 DOUBLE HUNG 34 81 0.44 0.98 63 149 30 71
8089 4/4 HORIZONTAL SLIDER WINDOW 52 42 0.65 0.53 96 77 45 37
8090 6 PANE 34 64 0.44 0.78 63 118 30 56
(5204) 8094 THREE 1/1 DOUBLE HUNG 100 92 1.18 1.1 184 169 87 80
(5205) 8095 1/1 DOUBLE HUNG 65 92 0.79 1.1 120 169 57 80
8096 1/1 DOUBLE HUNG 30 92 0.385 1.1 55 169 26 80
8097 1/1 DOUBLE HUNG 28 64 0.37 0.825 51 118 24 56
(5221) 8098 TWO 2/2 DOUBLE HUNG 63 69 0.785 0.83 116 127 55 60
8100 27 PANE WINDOW FOR INDUSTRIAL BUILDINGS 44 140 0.53 1.63 81 257 38 122
8102 SINGLE SASH OR PICTURE WINDOW 36 82 0.5 1 66 151 31 72
8103 DOUBLE UNIT OF WINDOW #8025 64 62 0.75 0.75 118 114 56 54
8104 TRIPLE UNIT OF WINDOW #8025 98 62 0.75 1.14 180 114 86 54
8105 2/2 DOUBLE HUNG 30 47 0.36 0.58 55 86 26 41
8106 DOUBLE UNIT OF WINDOW #8105 64 47 0.75 0.58 118 86 56 41
(5230) 8113 1/1 ROUND TOP 24 72 0.34 0.825 44 132 21 63
(5212) 8114 1/1 DOUBLE ROUND TOP 52 72 0.64 0.87 96 132 45 63
8126 DOUBLE DBL HUNG 4/4 64 80 0.81 0.98 118 147 56 70
8127 TRIPLE UNIT OF #8030 98 80 1.225 0.98 180 147 86 70
(5029) 8131 4/4 DOUBLE HUNG 27 64 0.36 0.78 50 118 24 56
8136 12/12 DOUBLE HUNG 31 62 0.4 0.75 57 114 27 54
8137 DOUBLE DBL HUNG 4/4 80 62 0.955 0.76 147 114 70 54
8138 2/2 DOUBLE HUNG STOREFRONT 76 82 0.925 1 140 151 66 72
8139 DOUBLE CASEMENT 30 40 0.39 0.5 55 74 26 35
(5011) 8149 ROUND ATTIC WINDOW 30 30 0.415   55 55 26 26
8153 6/6 DOUBLE HUNG 30 66 0.385 0.81 55 121 26 58
8157 18 PANE TOP TILT OUT FOR INDUSTRIAL BUILDINGS 35 94 0.47 1.1 64 173 31 82
8159 TWO 6/6 DOUBLE HUNG 79 64 0.94 0.78 145 118 69 56
8161 TRIPLE UNIT OF WINDOW #8024 121 78 1.42 0.78 223 143 106 68
8163 INDUSTRIAL WINDOW 36 84 0.46 1.02 66 154 31 73
8200 1/1 ROUND TOP 27 60 0.335 0.695 50 110 24 52
8201 1/1 DOUBLE HUNG 30 72 0.37 0.84 55 132 26 63
8202 4/4 ROUND TOP 24 78 0.34 0.91 44 143 21 68
8203 4 PANE ROUND TOP 24 36 0.34 0.44 44 66 21 31
8205 4/4 ROUND TOP 24 72 0.34 0.825 44 132 21 63
8206 18 SMALL WORK CAR WINDOWS     0.25 0.25        
8206 18 SMALL WORK CAR WINDOWS     0.25 0.4        
8206 18 SMALL WORK CAR WINDOWS     0.2 0.15        
8206 18 SMALL WORK CAR WINDOWS     0.25 0.25        

Table is based on dimensions provided by others. The author assumes no liability concerning accuracy. Please verify dimensions with manufacturer if necessary.

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