vii
13-45025-927
13-00312-403 Open Stringer Staircase TYPICAL STAIRCASE CODE REQUIREMENTS AND CONVERSION CHARTS Designs are 4” code 13-113-8 ” Closed Stringer Staircase
4”
13-91F-916S compliant within the design. Installation may affect code compliance between designs.
6”
13-91F-1316S
Wall Return
Top Rail
Basket
Baluster
Collar Scroll Lateral
Volute or Lamb’s Tongue
Bottom Rail
Shoes or Bases
Skirt or Stringer Nosing
Skirt or Stringer
Tread
Show Platform
Riser
Newel Post
Conversion Chart Step
FRACTION
.01562 0.397 DECIMAL mm .03125 0.794 .04688 1.191 .06250 1.588 .07812 1.984 .09375 2.381 .10938 2.778 .12500 3.175 .14062 3.572 .15625 3.969 .17188 4.366 .18750 4.763 .20312 5.159 .21875 5.556 .23438 5.953 .25000 6.350 .26562 6.747 .28125 7.144 .29688 7.541 .31250 7.938 .32812 8.334 .34375 8.731 .35939 9.128 .37500 9.525 .39062 9.922 .40625 10.319 .42188 10.716 .43750 11.113 .45312 11.509 .46875 11.906 .48438 12.303 .50000 12.700
FRACTION
DECIMAL
mm
1 64 3 64 5 64 7 64 9 64 11 64 13 64 15 64 17 64 19 64 21 64 23 64 25 64 27 64 29 64 31 64
33 64 35 64 37 64 39 64 41 64 43 64 45 64 47 64 49 64 51 64 53 64 55 64 57 64 59 64 61 64 63 64
.51562 13.097 .53125 13.494 .54688 13.891 .56250 14.288 .57812 14.634 .59375 15.081 .60398 15.478 .62500 15.875 .64062 16.272 .65625 16.669 .67188 17.066 .68750 17.463 .70312 17.859 .71875 18.256 .73438 18.653 .75000 19.050 .76562 19.447 .78125 19.844 .79688 20.241 .81250 20.638 .82812 21.034 .84375 21.431 .85939 21.828 .87500 22.225 .89062 22.622 .90625 23.019 .92188 23.416 .93750 23.813 .95312 24.209 .96875 24.606 .98438 25.003 1.00000 25.400
1 32 1 16 3 32 1 8 5 32 3 16 7 32 1 4 9 32 5 16 11 32
17 32 9 16 19 32
IMPERIAL SIZES
.50” .5625” .625”
.75” 1.00”
1/2
9/16
5/8
3/4 1
5 8
21 32 11 16 23 32
1/2
9/16
5/8
3/4
1
1/2
9/16
5/8 3/4
1
3 4
METRIC SIZES
25 32 13 16 27 32
.4724” .5512” .6299” .7874” .9843” 25 mm 20 mm 16 mm 14 mm 12 mm
3 8
7 8
12 mm
14 mm
16 mm
20 mm
25 mm
13 32 7 16 15 32
29 32 15 16 31 32 1
12 mm
14 mm
16 mm
20 mm
25 mm
1 2
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