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

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 1-11/16" to the R.O. height if an insulated platform is being used. R.O.’s for bow 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.

U.D. = Unit Dimension • R.O. = Rough Opening • G.S. = Glass Size

(Glass sizes are shown per sash.)

Casements | “N” Series Bow Windows

U.D.

R.O.

G.S.

3'-0"

3'-0 1/2"

30 5/8"

3'-6"

3'-6 1/2"

36 5/8"

4'-0"

4'-0 1/2"

42 5/8"

4'-6"

4'-6 1/2"

48 5/8"

5'-0"

5'-0 1/2"

54 5/8"

5'-6"

5'-6 1/2"

60 5/8"

6'-0"

6'-0 1/2"

66 5/8"

UNIT PROJECTION:

6'-8 17/64"

6'-8 13/64"

14 5/8"

5'-0 49/64"

5'-0 3/4"

14 5/8"

9'-10 5/64"

9'-8 63/64"

14 5/8"

11'-3 37/64"

11'-2 1/64"

14 5/8"

8'-3 11/16"

8'-2 63/64"

14 5/8"

8 47/64"

5 3/32"

17 37/64"

22 23/32"

12 19/64"

KUN33BOW

KUN43BOW

KUN53BOW

KUN63BOW

KUN34BOW

KUN44BOW

KUN54BOW

KUN64BOW

KUN74BOW

KUN35BOW

KUN45BOW

KUN55BOW

KUN65BOW

KUN75BOW

KUN36BOW

KUN46BOW

KUN56BOW

KUN66BOW

KUN76BOW

KUN356BOW

KUN456BOW

KUN556BOW

KUN656BOW

KUN756BOW

KUN346BOW

KUN446BOW

KUN546BOW

KUN646BOW

KUN746BOW

KUN336BOW

KUN436BOW

KUN536BOW

KUN636BOW

KUN736BOW

KUN73BOW

“N” Series Bow Windows

24

Kolbe Ultra Series

Casements | Elevation Charts