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Width Dimensions for Twin Mulled Units

Width Dimensions for Twin Mulled Units:

16"

3'-7 1/2"

3'-7"

20"

4'-3 1/2"

4'-3"

24"

4'-11 1/2"

4'-11"

28"

5'-7 1/2"

5'-7"

32"

6'-3 1/2"

6'-3"

36"

6'-11 1/2"

6'-11"

40"

7'-7 1/2"

7'-7"

Width Dimensions for Triple Mulled Units:

16"

5'-5"

5'-4 1/2"

20"

6'-5"

6'-4 1/2"

24"

7'-5"

7'-4 1/2"

28"

8'-5"

8'-4 1/2"

32"

9'-5"

9'-4 1/2"

36"

10'-5"

10'-4 1/2"

40"

11'-5"

11'-4 1/2"

(UDH1614-2)

(UDH1614-3)

26"

5'-3 1/2"

5'-3"

30"

5'-11 1/2"

5'-11"

26"

7'-11"

7'-10 1/2"

30"

8'-11"

8'-10 1/2"

Width Dimensions for Triple Mulled Units

Width Dimensions for Twin Mulled Units:

16"

3'-7 1/2"

3'-7"

20"

4'-3 1/2"

4'-3"

24"

4'-11 1/2"

4'-11"

28"

5'-7 1/2"

5'-7"

32"

6'-3 1/2"

6'-3"

36"

6'-11 1/2"

6'-11"

40"

7'-7 1/2"

7'-7"

Width Dimensions for Triple Mulled Units:

16"

5'-5"

5'-4 1/2"

20"

6'-5"

6'-4 1/2"

24"

7'-5"

7'-4 1/2"

28"

8'-5"

8'-4 1/2"

32"

9'-5"

9'-4 1/2"

36"

10'-5"

10'-4 1/2"

40"

11'-5"

1 '-4 1/2"

(UDH1614-2)

(UDH1614-3)

26"

5'-3 1/2"

5'-3"

30"

5'-11 1/2"

5'-11"

26"

7'-11"

7'-10 1/2"

30"

8'-11"

8'-10 1/2"

79

Kolbe Ultra Series

NOTE: All measurements are nominal. Elevation charts are not to scale.

Divided lites are optional.

Some installation procedures will require a larger rough opening than noted (i.e.

installations utilizing our installation clips), therefore, you may need to increase the rough

opening size accordingly. Rough opening gaps may be increased up to a maximum of 1/2"

on all sides and still be within good practice guidelines.

The side jambs of double hung units extend above the head jamb; additional space for the

rough opening height may be necessary. For rough opening recommendations, see pg.

208.

PRODUCT CODES:

To order, add “W” before the product number and "-1," "-2," or "-3" after to denote a

single, twin or triple unit, respectively (Ex: WDH1624/36-1). Specify Traditional or Sterling

sash.

U.D. = Unit Dimension • R.O. = Rough Opening

S.O. = Sash Opening • G.S. = Glass Size

Elevation charts provide frame sizes for units without

brickmould. Below are the calculations to determine overall

unit dimensions for units with 1 15/16” brickmould, 3 1/2”

casing with traditional sill nosing or 3 1/2” flat casing and

backband with 2 1/8” projected sill nosing.

1 15/16” brickmould; F.S. to U.D.

+2 5/8"

+1 15/16"

3 1/2” flat or profiled casing; F.S. to U.D.

+5 1/2" +3 3/8”

3 1/2” flat casing & backband; F.S. to U.D.

+7" +4 11/16"

Dimension Calculations

F.S. to S.O.

-1 1/2"

-2 7/16"

S.O. to G.S.

-4"

-6"÷2

G.S. to D.L.O.

-1"

-1"

Notes: Clear opening dimensions can be found on pg. 208.

Cottage-style dimension calculations are different; consult your

supplier.

Width

F.S. = Frame Size • G.S. = Glass Size • O.S.M. = Outside Measurement

D.L.O. = Daylight Opening • U.D. = Unit Dimension

Height

Sterling & Traditional Double Hungs | Cottage-Style

5'-8 7/16"

5'-9"

5'-6"

36"

|

24"

UDH1624/36 UDH2024/36 UDH2424/36 UDH2624/36 UDH2824/36 UDH3024/36 UDH3224/36

1'-9 1/2"

1'-10"

1'-8"

16"

2'-1 1/2"

2'-2"

2'-0"

20"

3'-1 1/2"

3'-2"

3'-0"

32"

2'-5 1/2"

2'-6"

2'-4"

24"

2'-9 1/2"

2'-10"

2'-8"

28"

3'-5 1/2"

3'-6"

3'-4"

36"

3'-9 1/2"

3'-10"

3'-8"

40"

F.S.

R.O.

S.O.

G.S.

Cottage-Style Double Hung Units

UDH3624/36 UDH4024/36

2'-7 1/2"

2'-8"

2'-6"

26"

2'-11 1/2"

3'-0"

2'-10"

30"