Metal Spiral Stair Kit Dimensions

Diameter

Minimum
Finished
Opening

Clear Walk
Space Between
Pole and Rail

Square
Landing Size

Degree of Tread
Rotation

Center Pole
Diameter

Base Plate
Diameter

Standard
Handrail
Width

3'6" Standard 3-'8" x 3'-8" 1'-6" 1'-10" x 1'-10" 30° 3 1/2" 10" 1 1/4"
4'0" Standard 4'-2" x 4'-2" 1'-9" 2'-1" x 2'-1" 30° 3 1/2" 10" 1 1/4"
4'6" Standard 4'-8" x 4'-8" 2'-0" 2'-4" x 2'-4" 30° 3 1/2" 10" 1 1/4"
5'0" Standard 5'-2" x 5'-2" 2'-2 3/8" 2'-7" x 2'-7" 22 1/2° 3 1/2" 10" 1 1/4"
5'6" Standard 5'-8" x 5'-8" 2'-5 3/8" 2'-10" x 2'-10" 22 1/2° 3 1/2" 10" 1 1/4"
6'0" Standard 6'-2" x 6'-2" 2'-8 3/8" 3'-1" x 3'-1" 22 1/2° 3 1/2" 10" 1 1/4"
6'6" Standard 6'-8" x 6'-8" 2'-11 1/8" 3'-4" x 3'-4" 22 1/2° 4" 10" 1 1/4"
7'0" Standard 7'-2" x 7'-2" 3'-2 1/8" 3'-7" x 3'-7" 22 1/2° 4" 10" 1 1/4"
One-Half Turn 3'-0" x 5'-8" 2'-5 3/8" N/A 18° 3 1/2" 10" 1 1/4"
Combination-4 3'-0" x 6'-0" 2'-5 3/8" N/A 18° 3 1/2" 10" 1 1/4"
Combination-5 3'-0" x 6'-9" 2'-5 3/8" N/A 18° 3 1/2" 10" 1 1/4"
 

Diameter

Minimum
Finished
Opening

Clear Walk
Space Between
Pole and Rail

Square
Landing Size

Degree of Tread
Rotation

Center Pole
Diameter

Base Plate
Diameter

Standard
Handrail
Width

5'0" CODE 5'-2" x 5'-2" 2'-2 3/8" 2'-7" x 2'-7" 30° 3 1/2" 10" 1 1/4"
5'6" CODE 5'-8" x 5'-8" 2'-5 3/8" 2'-10" x 2'-10" 30° 3 1/2" 10" 1 1/4"
6'0" CODE 6'-2" x 6'-2" 2'-8 1/8" 3'-1" x 3'-1" 30° 4" 10" 1 1/4"

For more information see our price list and layout guide (pdf format)

Metal Floating Straight Stair Kit Dimensions:
Floor-to-Floor
Height
Risers Stair Projection
Series 42
Stair Projection
Series 45
7'-6" 12 7'-10" 7'-1"
7'-7" 12 7'-11 1/8" 7'-2"
7'-8" 12 8'-0 1/4" 7'-3"
7'-9" 12 8'-1 3/8" 7'-4"
7'-10" 12 8'-2 1/2" 7'-5"
7'-11" 12 8'-3 5/8" 7'-6"
8'-0" 12 8'-4 3/4" 7'-7"
8'-1" 12 8'-5 7/8" 7'-8"
8'-2" 12 8'-7" 7'-9"
8'-3" 12 8'-8 1/8" 7'-10"
8'-4" 12 8'-9 1/4" 7'-11"
8'-5" 13 8'-10 3/8" 8'-0"
8'-6" 13 8'-11 1/2" 8'-1"
8'-7" 13 9'-0 5/8" 8'-2"
8'-8" 13 9'-1 3/4" 8'-3"
8'-9" 13 9'-2 7/8" 8'-4"
8'-10" 13 9'-4" 8'-5"
8'-11" 13 9'-5 1/8" 8'-6"
9'-0" 13 9'-6 1/4" 8'-7"
9'-1" 14 9'-7 3/8" 8'-8"
9'-2" 14 9'-8 1/2" 8'-9"
9'-3" 14 9'-9 3/8" 8'-10"
9'-4" 14 9'-10 3/4" 8'-11"
9'-5" 14 9'-11 7/8" 9'-0"
9'-6" 14 10'-1" 9'-1"
9'-7" 14 10'-2 1/8" 9'-2"
9'-8" 14 10'-3 1/4" 9'-3"
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