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Grating Types | Grating construction | Grating Characteristics |
Grating Industrial Applications | Grating Fittings | Grating Chemical Resistance |
| Grating Load Deflection |  Pendulum Test Results |  RAL colours

FibreGrid Grating offers the strongest grating in the UK. All our gratings have been
physically tested. We do not rely on data calculations unlike some other companies.

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Fibreglass Grating Load
Deflection information
CONCENTRATED LINE LOAD TABLE - DEFLECTION IN mm
SPAN IN
mm
STYLE
 
 
 
LOAD IN KGS/M OF WIDTH
 
 
 
Break
Point
75
149
298
447
596
745
 
 
305
 
 
 
 
 
 
 
25x38SM
 
 
 
 
 
 
 
38x38SM
0.279
0.356
0.483
0.61
0.762
0.889
17116
50x50SM
0.279
0.305
0.406
0.483
0.635
1.041
21727
25x25x100RMS
0.33
0.483
0.737
0.991
1.27
1.52
9442
25x25x100RMH
0.381
0.483
0.711
0.94
1.168
1.372
9488
38x19Mini
0.33
0.686
1.346
2.057
2.692
 
 
30x20Mini
 
 
 
 
 
 
 
38x38x152RM
0.051
0.102
0.229
0.381
 
0.635
 
457
 
 
 
 
 
 
 
25x38SM
0.559
1.143
2.159
3.073
4.115
4.75
3910
38x38SM
 
 
 
 
 
 
 
50x50SM
 
 
 
 
 
 
 
25x25x100RMS
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
38x19Mini
0.737
1.473
2.946
4.42
5.893
 
 
30x20Mini
 
0.432
0.864
1.27
1.702
2.159
 
38x38x152RM
0.178
0.381
0.737
1.168
 
1.829
 
610
 
 
 
 
 
 
 
25x38SM
0.864
1.702
3.505
5.156
6.706
8.179
2924
38x38SM
0.356
0.66
1.245
1.85
2.464
3.073
8718
50x50SM
0.356
0.508
0.813
1.128
1.753
3.327
11713
25x25x100RMS
0.864
1.727
3.454
5.182
6.909
8.636
4305
25x25x100RMH
0.813
1.499
2.819
4.166
5.512
6.833
4643
38x19Mini
0.864
1.702
3.404
5.105
6.807
 
 
30x20Mini
 
1.092
2.184
3.277
4.369
5.461
 
38x38x152RM
0.381
0.813
1.651
2.388
 
3.861
 
762
 
 
 
 
 
 
 
25x38SM
 
 
 
 
 
 
 
38x38SM
 
 
 
 
 
 
 
50x50SM
 
 
 
 
 
 
 
25x25x100RMS
1.397
2.718
5.105
7.163
9.55
11.938
3589
25x25x100RMH
1.041
2.108
4.267
6.401
8.534
10.668
4035
38x19Mini
1.068
2.134
4.267
6.401
8.534
 
 
30x20Mini
 
 
 
 
 
 
 
38x38x152RM
0.66
1.346
2.692
4.013
 
6.691
 
914
 
 
 
 
 
 
 
25x38SM
2.896
5.918
12.116
18.44
 
 
1948
38x38SM
0.864
1.803
3.683
5.563
7.417
9.296
5817
50x50SM
0.508
1.118
2.235
3.2
5.156
10.058
7780
25x25x100RMS
2.413
4.724
8.814
12.369
16.51
20.625
3216
25x25x100RMH
1.27
2.743
5.689
8.636
11.557
14.503
3362
38x19Mini
1.422
2.845
2.108
5.689
8.534
 
 
30x20Mini
 
3.023
6.248
9.627
12.903
15.977
 
38x38x152RM
1.067
2.108
4.166
6.401
 
10.719
 
1067
 
 
 
 
 
 
 
25x38SM
4.597
9.398
19.253
 
 
 
1617
38x38SM
1.397
2.87
5.842
8.814
11.786
14.757
4291
50x50SM
0.584
1.295
2.718
4.14
6.985
14.122
6636
25x25x100RMS
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
38x19Mini
1.88
3.759
7.518
11.278
 
 
 
30x20Mini
 
5.105
10.287
15.443
20.599
 
 
38x38x152RM
1.473
2.997
6.071
9.093
 
 
 
1219
 
 
 
 
 
 
 
25x38SM
5.715
11.633
 
 
 
 
1461
38x38SM
2.261
4.749
9.677
14.63
19.583
 
3755
50x50SM
0.914
1.93
3.937
5.918
9.957
 
5834
25x25x100RMS
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
38x19Mini
2.515
5.029
10.058
15.087
 
 
 
30x20Mini
 
7.772
15.646
23.47
 
 
 
38x38x152RM
2.337
4.699
9.449
13.767
 
 
 
1524
 
 
 
 
 
25x38SM
 
 
 
 
 
 
 
38x38SM
4.166
8.66
17.678
 
 
 
3004
50x50SM
 
 
 
 
 
 
 
25x25x100RMS
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
38x19Mini
 
 
 
 
 
 
 
30x20Mini
 
 
 
 
 
 
 
38x38x152RM
 
 
 
 
 
 
 
Remarks:
 
 
 
 
1 ,RM=Rectangular Mesh
2, Mini= Mini Mesh
3 ,SM= Square Mesh
4 ,RMS= Rectangular Mesh Standard
5, RMH= Rectangular Mesh Heavy duty
UNIFORM LOAD TABLE - DEFLECTION IN MM
SPAN IN
mm
STYLE
 
LOAD IN KGS/Square Meter
244
489
977
1466
1955
2444
3665
4887
 
 
305
 
 
 
 
 
 
 
25x38SM
 
 
 
 
 
 
 
 
38x38SM
0.254
0.305
0.381
0.457
0.559
0.635
0.838
 
50x50SM
0.254
0.279
0.33
0.381
0.432
0.483
0.737
 
25x25x100RMS
0.279
0.381
0.533
0.711
0.864
1.041
 
1.905
25x25x100RMH
0.33
0.406
0.533
0.686
0.813
0.965
 
1.651
38x19Mini
0.432
0.838
1.676
2.515
3.353
 
 
8.458
30x20Mini
 
 
 
 
 
 
 
 
38x38x152RM
0.0762
0.152
0.33
0.483
 
0.787
 
1.549
457
 
 
 
 
 
 
 
25x38SM
0.66
1.092
1.93
2.769
3.607
4.47
6.579
 
38x38SM
 
 
 
 
 
 
 
 
50x50SM
 
 
 
 
 
 
 
 
25x25x100RMS
 
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
 
38x19Mini
0.686
1.372
2.769
4.14
5.537
 
 
 
30x20Mini
 
0.381
0.737
 
 
 
 
 
38x38x152RM
0.229
0.483
0.965
1.448
 
2.413
 
4.851
610
 
 
 
 
 
 
 
25x38SM
1.118
2.108
4.14
6.172
8.179
10.211
15.265
 
38x38SM
0.432
0.813
1.549
2.311
3.073
3.8354
5.74
 
50x50SM
0.381
0.584
0.965
1.372
1.753
2.134
4.115
 
25x25x100RMS
0.914
1.854
3.683
5.537
7.391
9.22
 
18.466
25x25x100RMH
0.991
1.829
3.505
5.156
6.833
9.017
 
16.857
38x19Mini
1.067
2.134
4.242
6.375
8.484
 
 
 
30x20Mini
 
1.346
2.515
 
 
 
 
 
38x38x152RM
0.483
0.965
1.905
2.87
 
4.775
 
9.449
762
 
 
 
 
 
 
 
25x38SM
2.667
5.387
10.82
16.281
21.717
 
 
 
38x38SM
 
 
 
 
 
 
 
 
50x50SM
 
 
 
 
 
 
 
 
25x25x100RMS
 
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
 
38x19Mini
1.676
3.353
6.706
10.058
13.411
 
 
 
30x20Mini
 
 
 
 
 
 
 
 
38x38x152RM
0.991
1.981
3.962
5.944
 
9.855
 
 
914
 
 
 
 
 
 
 
25x38SM
5.537
11.176
21.717
 
 
 
 
 
38x38SM
1.702
3.454
6.959
10.465
13.97
17.475
 
 
50x50SM
1.194
2.108
3.937
5.766
7.595
9.449
18.593
 
25x25x100RMS
3.632
6.6
12.573
18.542
24.486
 
 
 
25x25x100RMH
2.565
5.309
10.82
16.332
21.869
 
 
 
38x19Mini
2.667
5.359
10.693
16.027
 
 
 
 
30x20Mini
 
5.588
10.668
 
 
 
 
 
38x38x152RM
1.803
3.632
7.239
10.871
 
 
 
 
1067
 
 
 
 
 
 
 
25x38SM
10.287
20.752
 
 
 
 
 
 
38x38SM
3.149
6.401
12.903
19.406
 
 
 
 
50x50SM
1.448
2.997
6.096
9.22
12.344
15.443
 
 
25x25x100RMS
8.077
14.884
 
 
 
 
 
 
25x25x100RMH
4.801
9.91
20.117
 
 
 
 
 
38x19Mini
4.089
8.179
16.358
 
 
 
 
 
30x20Mini
 
10.643
21.057
 
 
 
 
 
38x38x152RM
6.604
6.401
12.827
 
 
 
 
 
1219
 
 
 
 
 
 
 
25x38SM
 
 
 
 
 
 
 
 
38x38SM
5.969
12.167
24.511
 
 
 
 
 
50x50SM
2.413
4.928
9.957
14.961
19.989
 
 
 
25x25x100RMS
 
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
 
38x19Mini
6.274
12.548
 
 
 
 
 
 
30x20Mini
 
17.78
 
 
 
 
 
 
38x38x152RM
5.283
10.439
 
 
 
 
 
 
1524
25x38SM
 
 
 
 
 
 
 
 
38x38SM
 
 
 
 
 
 
 
 
50x50SM
5.944
12.065
24.333
 
 
 
 
 
25x25x100RMS
 
 
 
 
 
 
 
 
25x25x100RMH
 
 
 
 
 
 
 
 
38x19Mini
 
 
 
 
 
 
 
 
30x20Mini
 
 
 
 
 
 
 
 
38x38x152RM
                
Remarks: 1 ,RM=Rectangular Mesh
2 ,Mini= Mini Mesh
3, SM= Square Mesh
4 ,RMS= Rectangular Mesh Standard
5 ,RMH= Rectangular Mesh Heavy duty
CONCENTRATED FULL PANEL LOAD-1220x3660 Deflection in MM
SPAN
mm
STYLE
 
KGS
149
372
745
1117
1490
2234
2979
 
457
 
 
25.4x38.1 SM
0.254
0.686
1.55
2.159
2.667
4.166
5.232
38.1x38.1 SM
0.203
0.406
0.711
0.889
1.143
1.676
2.21
50.8x50.8 SM
 
 
 
 
0.711
1.016
1.346
25.4x25.4x101.6 RM
0.279
0.686
1.448
2.209
2.718
4.191
5.41
 
610
 
 
25.4x38.1 SM
0.734
1.651
3.175
4.623
6.121
9.119
12.116
38.1x38.1 SM
0.356
0.889
1.499
1.905
2.413
3.531
4.267
50.8x50.8 SM
 
 
 
 
1.524
2.032
2.54
25.4x25.4x101.6 RM
0.711
1.524
3.531
4.623
6.02
9.22
12.294
 
914
 
 
25.4x38.1 SM
1.778
4.445
8.814
13.157
 
 
 
38.1x38.1 SM
0.61
1.5
2.9
4.14
5.41
7.95
10.566
50.8x50.8 SM
 
 
 
 
2.896
4.191
5.512
25.4x25.4x101.6 RM
1.626
3.962
7.823
11.811
 
 
 
 
1219
 
 
25.4x38.1 SM
2.946
7.544
15.062
 
 
 
 
38.1x38.1 SM
0.914
2.388
4.699
6.96
9.195
13.665
 
50.8x50.8 SM
 
 
 
 
4.547
6.807
9.271
25.4x25.4x101.6 RM
 
 
 
 
 
 
 
Remarks: 1, RM=Rectangular Mesh
2, SM= Square Mesh
3, 25.4x25.4x101.6=25.4 Thick x 25.4 x101.6mm Rectangular Mesh x 915mmx 3050mm standard
SPAN
mm
KGS
200
400
500
700
800
1000
TYPE
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
I
II
III
500
0.53
0.95
0.84
1.05
2.10
1.69
1.37
2.73
2.18
1.89
3.15
3.02
2.10
3.78
3.36
2.63
4.31
4.23
600
0.95
1.79
1.51
1.79
3.78
2.86
2.31
4.73
3.70
3.26
5.57
5.21
3.68
6.72
5.89
4.52
7.56
7.22
700
1.47
3.05
2.35
2.94
6.30
4.70
3.78
7.98
6.05
5.25
9.66
8.45
5.88
11.13
9.41
7.35
12.81
11.76
800
2.21
4.62
3.53
4.52
9.56
7.21
5.57
11.87
8.90
7.77
14.28
12.43
9.03
16.59
14.45
11.03
-
17.64
900
3.36
6.62
5.38
6.72
13.44
10.75
8.40
16.80
13.44
10.51
-
18.64
13.23
-
-
14.91
-
-
1000
4.20
8.93
6.72
8.41
18.06
13.48
10.29
-
16.87
15.02
-
-
-
-
-
-
-
-
1100
5.25
12.18
8.45
10.82
-
16.84
13.23
-
-
-
-
-
-
-
-
-
-
-
1200
6.83
15.33
10.94
13.65
-
-
17.12
-
-
-
-
-
-
-
-
-
-
-
 
 1, I=1007x3007x40mm, 40x40mm mesh
2, II=1007x3007x40mm, 83.3x83.3mm mesh
3, III=1007x3007x25mm, 40x40mm mesh and 1007x3007x25mm, 100x25mm mesh
figures are standard values, but not absolutely guaranteed values.

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