Aluminum alternating tread stairs

Lightweight

Resistant to corrosion

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Aluminum Alternating Tread Stairs

Design specifications

Available with stair slope of 68° only
Central stringer design with alternating treads welded to the handrails
Ships with rubber bumper attached to the center stringer
Ships fully assembled with handrails attached

Custom built to exact vertical height

Available in heights from 24 inches to 216 inches
Pricing is calculated based on the height of the stair

Angle option

68 degree stair angle

Handrail options


Standard handrails
Optional handrails
Handrail dimensions

Handrails are close fitting with a 20" inside width and 23" outside width.

Standard handrails add 42" to the stair height; optional handrails add 3.75" to the stair height.

Design specifications

  • Aluminum with natural finish
  • Available with stair slope of 68° only
  • Central stringer design with alternating treads welded to the handrails
  • Ships with rubber bumper attached to the center stringer
  • Ships fully assembled with handrails attached

Custom built to exact height

  • Available in heights from 24 inches to 216 inches
  • Pricing is calculated based on the height of the stair

Angle option

68 degrees

Handrail options

Standard
Optional

Handrail dimensions

Handrails are close fitting with a 20" inside width and 23" outside width.

Standard handrails add 42" to the stair height; optional handrails add 3.75" to the stair height.

Pricing and specifications for aluminum alternating tread stairs

Alternating tread stairs are custom built to your exact height specifications. See below for pricing in six inch increments; get a quote for custom stair heights.

Available with 68° stair angle only in heights from 24" to 216" with a riser height of 6.417” to 7.7”

Available with choice of standard or optional handrails only

Overall width is 23"; inside handrail width is 20"

Tread depth is a minimum of 8.5"


STAIR HEIGHT
OVERALL/HANDRAIL HEIGHT
STAIR RUN

WEIGHT

PRICE
STANDARD
OPTIONAL
24" 66" 27.75" 16.2973" 36.56# $874.74
30" 72" 33.75" 18.7213" 40.7# $991.93
36" 78" 39.75" 21.1453" 44.84# $1,108.99
42" 84" 45.75" 23.5693" 48.98# $1,226.05
48" 90" 51.75" 25.9933" 53.12# $1,343.11
54" 96" 57.75" 28.4173" 57.26# $1,460.17
60" 102" 63.75" 30.8413" 61.4# $1,577.23
66" 108" 69.75" 33.2653" 65.54# $1,694.29
72" 114" 75.75" 35.6893" 69.68# $1,811.35
78" 120" 81.75" 38.1133" 73.82# $1,928.41
84" 126" 87.75" 40.5373" 77.96# $2,045.47
90" 132" 93.75" 42.9613" 82.1# $2,162.53
96" 138" 99.75" 45.3853" 86.24# $2,279.59
102" 144" 105.75" 47.8093" 90.38# $2,396.65
108" 150" 111.75" 50.2333" 94.52# $2,513.71
114" 156" 117.75" 52.6573" 98.66# $2,630.77
120" 162" 123.75" 55.0813" 102.8# $2,747.83
126" 168" 129.75" 57.5053" 106.94# $2,864.89
132" 174" 135.75" 59.9293" 111.08# $2,981.95
138" 180" 141.75" 62.3533" 115.22# $3,099.01
144" 186" 147.75" 64.7773" 119.36# $3,216.07
150" 192" 153.75" 67.2013" 123.5# $3,333.13
156" 198" 159.75" 69.6253" 127.64# $3,450.19
162" 204" 165.75" 72.0493" 131.78# $3,567.25
168" 210" 171.75" 74.4733" 135.92# $3,684.31
174" 216" 177.75" 76.8973" 140.06# $3,801.37
180" 222" 183.75" 79.3213" 144.2# $3,918.43
186" 228" 189.75" 81.7453" 148.34# $4,035.49
192" 234" 195.75" 84.1693" 152.48# $4,152.55
198" 240" 201.75" 86.5933" 156.62# $4,269.61
204" 246" 207.75" 89.0173" 160.76# $4,386.67
210" 252" 213.75" 91.4413" 164.9# $4,503.73
216" 258" 219.75" 93.8653" 169.04# $4,620.79

All pricing information is presented in good faith and believed to be correct at the time of publishing. We reserve the right to change prices at any time without notice. Prices do not include installation hardware or shipping costs.

Pricing and specifications

Alternating tread stairs are custom built to your exact height specifications. See below for pricing in six inch increments; get a quote for custom stair heights.

  • Available with 68° stair angle only in heights from 24" to 216" with a riser height of 6.417” to 7.7”
  • Overall width is 23"; inside handrail width is 20"
  • Tread depth is a minimum of 8.5"
  • Add 42" to stair height for overall height of stairs with standard handrails
  • Add 5¾" to stair height for overall height of stairs with optional handrails

Download a PDF with pricing for alternating tread stairs:


STAIR HEIGHT

STAIR RUN

WEIGHT

PRICE
24" 16.2973" 36.56# $874.74
30" 18.7213" 40.7# $991.93
36" 21.1453" 44.84# $1,108.99
42" 23.5693" 48.98# $1,226.05
48" 25.9933" 53.12# $1,343.11
54" 28.4173" 57.26# $1,460.17
60" 30.8413" 61.4# $1,577.23
66" 33.2653" 65.54# $1,694.29
72" 35.6893" 69.68# $1,811.35
78" 38.1133" 73.82# $1,928.41
84" 40.5373" 77.96# $2,045.47
90" 42.9613" 82.1# $2,162.53
96" 45.3853" 86.24# $2,279.59
102" 47.8093" 90.38# $2,396.65
108" 50.2333" 94.52# $2,513.71
114" 52.6573" 98.66# $2,630.77
120" 55.0813" 102.8# $2,747.83
126" 57.5053" 106.94# $2,864.89
132" 59.9293" 111.08# $2,981.95
138" 62.3533" 115.22# $3,099.01
144" 64.7773" 119.36# $3,216.07
150" 67.2013" 123.5# $3,333.13
156" 69.6253" 127.64# $3,450.19
162" 72.0493" 131.78# $3,567.25
168" 74.4733" 135.92# $3,684.31
174" 76.8973" 140.06# $3,801.37
180" 79.3213" 144.2# $3,918.43
186" 81.7453" 148.34# $4,035.49
192" 84.1693" 152.48# $4,152.55
198" 86.5933" 156.62# $4,269.61
204" 89.0173" 160.76# $4,386.67
210" 91.4413" 164.9# $4,503.73
216" 93.8653" 169.04# $4,620.79

All pricing information is presented in good faith and believed to be correct at the time of publishing. We reserve the right to change prices at any time without notice. Prices do not include installation hardware or shipping costs.

Download a PDF with pricing for alternating tread stairs:

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