Grating Hotline 800-200-3047    

PERF-O-GRIP 3-Hole, 7" Width

PRODUCT SELECTION/ DESIGN TABLES
MATERIAL

GRADE

CHANNEL
DEPTH

WEIGHT
LB. /
LIN. FT.

SPAN

3'-0"
3'-6"
4'-0"
4'-6"
5'-0"
5'-6"
6'-0"
6'-6"
7'-0"
7'-6"
8'-0"
9'-0"
STEEL
13 GA.
1-1/2
3.0
U
D
C
D
685
.11
609
.08
504
.14
522
.12
387
.19
457
.15
306
.24
406
.19
249
.29
366
.24
206
.36
332
.29
174
.43
305
.34
149
.50
283
.40
129
.58
263
.47
112
.67
246
.54
100
.77
232
.61
79
.98
208
.78
2
3.3
U
D
C
D
1024
.08
913
.07
754
.11
783
.09
578
.14
685
.12
458
.18
609
.15
371
.23
548
.18
307
.27
498
.22
259
.33
456
.26
222
.38
421
.31
192
.44
391
.35
167
.51
366
.41
147
.58
344
.47
118
.74
308
.59
STEEL
11 GA.
1-1/2
4.2
U
D
C
D
883
.11
777
.09
650
.15
666
.12
498
.19
582
.15
394
.24
518
.19
320
.30
467
.24
265
.36
426
.29
224
.43
391
.34
191
.51
362
.40
165
.59
337
.47
144
.68
316
.54
128
.78
297
.62
101
.98
266
.79
2
4.5
U
D
C
D
1375
.08
1175
.07
1012
.11
1032
.09
776
.15
904
.12
614
.19
805
.15
498
.23
726
.19
411
.28
661
.23
347
.34
607
.27
302
.40
573
.32
261
.47
533
.37
228
.54
499
.43
201
.62
469
.49
160
.78
420
.63
3
4.8
U
D
C
D
2581
.06
2125
.04
1898
.08
1822
.06
1454
.11
1594
.07
1150
.13
1417
.10
932
.17
1275
.12
771
.20
1159
.15
649
.24
1132
.19
554
.28
1050
.22
479
.33
976
.26
417
.37
913
.30
367
.43
857
.34
291
.54
764
.43
ALUM.
.125
2
1.5
U
D
C
D
1035
.20
1006
.16
761
.27
862
.21
582
.35
755
.28
460
.44
671
.35
372
.54
604
.44
308
.66
549
.53
258
.78
503
.63
221
.92
464
.74
190
1.07
431
.85
166
1.23
402
.98
146
1.39
377
1.12
115
1.76
335
1.41
STAINLESS
STEEL
16 GA.
2
2.4
U
D
C
D
971
.10
850
.08
714
.13
729
.11
546
.17
638
.14
432
.22
567
.18
350
.27
510
.22
289
.33
464
.26
243
.39
425
.31
207
.46
392
.37
178
.53
365
.43
155
.61
341
.49
137
.70
319
.56
107
.88
283
.70
STAINLESS
STEEL
14 GA.
2
2.8
U
D
C
D
1091
.10
954
.08
801
.14
818
.11
614
.18
715
.14
485
.22
637
.18
393
.27
573
.22
325
.33
521
.27
273
.40
478
.32
232
.47
440
.37
200
.54
409
.43
175
.62
382
.49
153
.70
358
.56
121
.89
318
.71

ALLOWABLE LOADS AND DEFLECTIONS: U - UNIFORM LOAD (LB./FT.),  C - CONCENTRATED LOAD (LB.),  D - DEFLECTION (IN.).  SPANS TO THE LEFT OF ANY HEAVY LINE PRODUCE A DEFLECTION OF 1/4" OR LESS UNDER A UNIFORM LOAD OF 100 LBS. PER SQUARE FOOT.  FOR PERF-O GRIP PRODUCT WIDTHS GREATER THAN 12", USE OF GRATING SPLICE KIT IS RECOMMENDED TO MECHANICALLY JOIN BUTT ENDS OF LENGTH.