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Double Hungs | Elevation Charts

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

Center picture units are only available with a 1-3/4" sash. Flanker sash must be specified as either Traditional or Sterling sash when ordering.

Divided lites are optional.

If the cable support system and/or insulated platforms and support brackets are not being used, other means of proper support must be used. Add 1-13/16" to

the R.O. height if an insulated platform is being used. R.O.’s for bay units without head and seat boards, typically used for walk-out applications, are different.

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. For

rough opening recommendations, see pg. 208.

The side jambs of double hung units extend above the head jamb; additional space for the rough opening height may be necessary.

* The first number of the glass size height is the height

(per sash)

for each flanker sash. The second number is the glass height for the center picture unit.

F.S. = Frame Size • R.O. = Rough Opening • S.O. = Sash Opening • G.S. = Glass Size

U.D.

R.O.

S.O.

G.S.*

20" flankers

8'-0 5/8"

7'-11"

1'-8"

|

4'-4"

|

1'-8"

16"

|

48 1/2"

|

16"

8'-8 5/8"

8'-7"

1'-8"

|

5'-0"

|

1'-8"

16"

|

56 1/2"

|

16"

4'-5 3/16"

4'-5 11/16"

4'-2"

22"

|

45 1/4"

4'-9 3/16"

4'-9 11/16"

4'-6"

24"

|

49 1/4"

UDH30-16224442

UDH30-16225042

UDH30-16244446

UDH30-16245046

8'-7 9/16"

8'-5 15/16"

2'-0"

|

4'-4"

|

2'-0"

20"

|

48 1/2"

|

20"

9'-3 9/16"

9'-1 15/16"

2'-0"

|

5'-0"

|

2'-0"

20"

|

56 1/2"

|

20"

5'-5 3/16"

5'-5 11/16"

5'-2"

28"

|

57 1/4"

UDH30-20224442

UDH30-20225042

UDH30-20244446

UDH30-20245046

UDH30-20285052

UNIT PROJECTION:

13 3/8"

UNIT PROJECTION:

15 3/8"

30° Bay Windows

16" flankers

Sterling & Traditional Double Hungs | 30° Bay Windows

16" flankers

20" flankers

20" ankers

45° Bay Windows

16" ankers

U.D.

R.O.

S.O.

G.S.*

4'-5 3/16"

4'-5 11/16"

4'-2"

22"

|

45 1/4"

4'-9 3/16"

4'-9 11/16"

4'-6"

24"

|

49 1/4"

5'-5 3/16"

5'-5 11/16"

5'-2"

28"

|

57 1/4"

7'-8 1/4"

7'-4 7/8"

1'-8"

|

4'-4"

|

1'-8"

16"

|

48 1/2"

|

16"

8'-4 1/4"

8'-0 7/8"

1'-8"

|

5'-0"

|

1'-8"

16"

|

56 1/2"

|

16"

UDH45-16224442

UDH45-16225042

UDH45-16244446

UDH45-16245046

8'-1 7/8"

7'-10 1/2"

2'-0"

|

4'-4"

|

2'-0"

20"

|

48 1/2"

|

20"

8'-9 7/8"

8'-6 1/2"

2'-0"

|

5'-0"

|

2'-0"

20"

|

56 1/2"

|

20"

UDH45-20224442

UDH45-20225042

UDH45-20244446

UDH45-20245046

UDH45-20285052

UNIT PROJECTION:

18 7/8"

UNIT PROJECTION:

21 11/16"

Sterling & Traditional Double Hungs | 45° Bay Windows

16" flankers

20" flankers

84

Kolbe Ultra Series