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common stair layouts
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Stair Layouts From the coding and dimensions, a quotation can be produced after which a full onsite survey can be undertaken if required, with detailed dimensioned drawings provided as a matter of course.
Based on many years of experience working with architects, quantity surveyors and builders, we have tabulated many of the most popular staircase configurations which can be specified with a simple coding system.
Typical Straight 13 Up Total Going 2676mm
An addition to the stair layout shown, there is a huge selection of made-to-measure options, plus other timber options such as Ash, Oak and Beech.
20 preferred layouts have been recorded on the following pages, together with the critical dimensions relevant to each layout, including the trimming dimension necessary to obtain headroom clearance.
If required, our team of stair specialists is always on hand to offer help, and advise on any aspect of stair design or construction or Part ’K’ of the Building Regulations. They can be contacted on 01664 484613 or fax 01664 484582.
These calculations are based on a total rise of 2588mm, 226mm Go – 13 Up, but by referring to the table below adjustments are possible to suit varying site conditions.
MAXIMUM TOTAL RISE
*overall length of stair nosing +12 treads + riser = 2703mm
TOTAL GOING (FACE OF BOTTOM RISER TO FACE OF TOP RISER)
MAX. IND. GO
IND. RISE
12UP
13UP
14UP
15UP
16UP
12UP
13UP
14UP
15UP
16UP
220
198
2376
2574
2772
2970
3168
2420
2640
2860
3080
3300
223
200
2400
2600
2800
3000
3200
2453
2676
2899
3122
3345
†
226
203
2436
2639
2842
3045
3248
2486
2712
2938
3164
3390
229
206
2472
2678
2884
3090
3296
2519
2748
2977
3206
3435
232
208
2496
2704
2912
3120
3328
2552
2784
3016
3248
3480
235
211
2532
2743
2954
3165
3376
2585
2820
3055
3290
3525
238
214
2568
2782
2996
3210
3424
2618
2856
3094
3332
3570
241
216
2592
2808
3024
3240
3456
2651
2892
3133
3374
3615
244
219
2628
2847
3066
3285
3504
2684
2928
3172
3416
3660
†
†
STANDARD WIDTH OVER STRINGS FOR STRAIGHT FLIGHT, 855mm STANDARD WIDTH OVER STRINGS FOR WINDER FLIGHT, 905mm PLEASE CONSULT THE STAIR DEPARTMENT IF THE FLIGHTS AND STAIR DIMENSIONS SHOWN DO NOT SUIT YOUR REQUIREMENTS. TEL: 01664 484619
†
ITEM STRINGS
STANDARD 27mm PINE
ALTERNATIVES
ITEM
STANDARD
ALTERNATIVES
32mm PINE
HANDRAILS
44 X 63mm HEMLOCK
44 X 63mm
27mm WHITEWOOD
WALL HANDRAILS
38 X 89mm HEMLOCK (NOMINAL)
38 X 89mm HEMLOCK (NOMINAL)
FLOOR-RAIL/ STRING CAPPING
27 X 58mm PINE
27 X 58mm HARDWOOD
BALUSTERS (EXCL. TURNED)
PINE OR HEMLOCK AT OUR OPTION
HARDWOOD
BALUSTERS (TURNED)
HEMLOCK
HARDWOOD REDWOOD
APRON LINING
14mm PINE
15mm MDF 14 X 219mm HARDWOOD
NOSING
21 X 69mm PINE
21 X 69mm HARDWOOD 22 X 69mm MDF
27mm HARDWOOD TREADS
21mm PINE
27mm PINE 22mm MDF 21mm HARDWOOD 21mm PINE
WINDER
22mm SOLID MDF BOARD
RISERS
9mm PINE FACED PLYWOOD 14mm PINE
21mm HARDWOOD
14mm HARDWOOD 21mm PINE 21mm HARDWOOD NEWELS
82 X 82mm HEMLOCK
82 X 82mm HARDWOOD
DIMENSIONS ARE ACTUAL FINISHED SIZES UNLESS OTHERWISE STATED. WE RESERVE THE RIGHT TO SUBSTITUTE WOOD SPECIES AS CIRCUMSTANCES DEMAND. HEADROOM FIGURES GIVEN ON PAGES 30-39 ARE CALCULATED USING A 241mm JOIST DEPTH.
Overall strings
1062 1027
1018
Face of riser to outside string
2940 2980
905
Overall strings Stairwell Opening 2980 x 1062
Stair Layout NO 1 SLW44W4N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
986
1021
Back of riser to outside of string
Overall strings
977
Face of riser to outside of string
3310 3350
PRODUCT CODE
905
Overall strings
Stairwell Opening 3350 x 1021
Stair Layout NO 2 PRODUCT CODE
SLW36W3N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
Outside string to back of riser
1018 1065
Face of riser to outside string
2835 2870
905
Overall strings
Stairwell Opening 2870 x 1065
Stair Layout NO 3 SLW48N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905
Outside string to back of riser
977 1020
Face of riser to outside of string
3020 3055
PRODUCT CODE
905
Overall strings Stairwell Opening 3055 x 1020
Stair Layout NO 4 PRODUCT CODE
SL3W3SW33N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
Outside string to back of riser
Face of riser to outside of string
1881 1831
2116 2151
Stairwell Opening 2151 x 1831
Stair Layout NO 5
905
Overall strings
SL4W35N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905
1479
1514
Stairwell Opening 2324 x 1514
Back of riser to outside of string
Face of riser to outside string
Overall Strings 905
2374 2324
PRODUCT CODE
Stair Layout NO 6 PRODUCT CODE
SL6W42N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905
Face of riser to outside of string
855 970
Overall strings
2721 2649
Stairwell Opening 2649 x 970
Stair Layout NO 7
3328
PRODUCT CODE
SL12N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 855
Face of riser to outside of string
Back of riser to outside of string
1288 1253
1244 1188
Overall strings
3271
Stairwell Opening 3271 x 970 (Pack trimmer 90mm to back of riser) Min. Headroom 1188
Stair Layout NO 8 PRODUCT CODE
SL11QLN
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 855 2 = 855
1740 1705
Back of riser to outside of string
1413
Overall strings
Face of riser to outside of string
1470
1881 1920
Stair Layout NO 9 905
Overall strings
Stairwell Opening 1920 x 1740 Min. Headroom 1413
1784
PRODUCT CODE
SL2W4DW33N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
Overall strings (string over string)
1664
Back of riser to outside of string
1699
Face of riser to outside of string
1655
1824
Stair Layout NO 10 905
Overall strings
Stairwell Opening 1824 x 1699
PRODUCT CODE
SL3W3SW33N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
Overall strings
1966 1931
Stairwell Opening 2076 x 1966
Back of riser to outside of string
1058
Face of riser to outside of string
1018
2036 2076
Min. Headroom 1058
Stair Layout NO 11 905
Overall strings
Min. Headroom 1371
905
Overall strings
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
Back of riser to outside of string
1925 1890
Stairwell Opening 1994 x 1925
SLW4W44N
STOREY HEIGHT
Overall strings
1429 1371
Face of riser to outside of string
1954 1994
PRODUCT CODE
Stair Layout NO 12 PRODUCT CODE
SL2W3W34N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
Outside of string to back of riser
855
Overall strings
Overall strings
1820 1860
2207 2232
Stair Layout NO 13 1915 1972
Outside of string to face of riser
Stairwell Opening 2232 x 1860 Min. Headroom 1915
SL5HL6N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 855 2 = 855 3 = 855
Outside string to back of riser
855
Overall strings
Outside string
1781 1820
2207 2242
PRODUCT CODE
Stair Layout NO 14 1915 1972
Outside string to face of riser
Stairwell Opening 2242 x 1820 Min. Headroom 1915
PRODUCT CODE
SL5HLD6N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 855 2 = 855 3 = 855
1288 1253
Face of riser to outside of string
Back of riser to outside of string
Overall strings (string over string)
1244 1188
2488 2528
905
Overall strings
Stairwell Opening 2528 x 1288
Stair Layout NO 15 SL1W42W41N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
905
PRODUCT CODE
Overall strings
986 1021
Outside string to back of riser
Min. Headroom 1188
2954 3011
Outside string to face of riser Stairwell Opening 2954 x 1021
Stair Layout NO 16 PRODUCT CODE
SL9W3N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905
1247 1212
Back of riser to outside of string
Overall strings
1203 1145
Face of riser to outside of string
2858 2898
905
Overall strings
Stairwell Opening 2989 x 1247
Stair Layout NO 17
Min. Headroom 1145
SL1W34W31N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
Back of riser to outside of string
1821
1803
Face of riser to outside of string
905
Overall strings
2926 2869
PRODUCT CODE
Stairwell Opening 2869 x 1821
Stair Layout NO 18 PRODUCT CODE
SL9QL(T-SHAPE)2N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905
1699 1664
Back of riser to outside of string
Overall Strings
1655 1597
Face of riser to outside of string
1881 1920
Stair Layout NO 19 905
Stairwell Opening 1920 x 1699
Overall Strings
Min. Headroom: 1597
SL3W3DW33N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 905 2 = 905 3 = 905
2016 1981
Back of riser to outside of string
Overall strings (String over string)
1915
1972
Face of riser to outside of string
1684 1800
PRODUCT CODE
Stair Layout NO 20
855
Overall strings
Stairwell Opening 1800 x 2016 Min. Headroom 1915
PRODUCT CODE
SL5QLSQL5N
STOREY HEIGHT
2588
RISE
199.07
GOING
226
WIDTH OVER STRING(S)
1 = 855 2 = 855 3 = 855
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