About

Engineered Composites stocks a wide range of GRP profiles. Our technically advanced GRP formulation delivers excellent corrosion resistance and durability to provide a cost effective, alternative to steel, aluminium and timber. Suitable for walkways, platforms, ladders and handrails, lightweight GRP is easy to install and does not require heavy lifting equipment.

Manufactured from glass reinforced isophthalic polyester resin with E glass fibre, a continuous strand mat and a polyester surface veil as the surface layer.

  • GRP box
  • GRP angles
  • GRP I beams
  • GRP wide flange H beams
  • GRP ladder rung
  • GRP uni-strut
  • GRP flat strips
  • GRP channel
Flat Strip

Available in stock NOW

Width (w) mm Thickness (t) mm Weight kg/m Colour
40 5 0.38 Grey
80 8 1.2 Grey
926 3.1 5.58 Grey

Flat strip sizes available to order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

Width (w) mm Thickness (t) mm Weight kg/m
7 4 0.056
9 2.5 0.044
10 3 0.053
11 10 0.20
12 3 0.07
15 2.5 0.075
15 3 0.08
15 4 0.117
15 4.5 0.119
15.2 4.2 0.119
16 2 0.062
16 6 0.182
18 7 0.24
20 4 0.160
20 6 0.237
23 2 0.072
24 4 0.13
25 10 0.484
28 3 0.162
30 4 0.221
32 3 0.187
32 4.8 0.28
32 6 0.36
35 7 0.459
38.5 13 0.97
40 3 0.30
40 4 0.312
40 5 0.380
40 8 0.586
40 10 0.73
50 4 0.370
52 5 0.48
60 3 0.380
63.5 6.4 0.75
74.5 6.6 0.905
76 6.35 0.90
76 10 1412
76.2 12.7 1794
76.2 22 3.080
80 8 1220
87.9 5 0.850
100 3 0.60
101.6 6 1.134
101.6 6.35 1260
101.6 10 1.890
101.6 12.7 2510
118 6.6 1447
136 6.35 1.690
200 9.5 3790

Moments Of Inertia

Width (w) mm Thickness (t) mm Weight kg/m Section Area mm2 Moment of inertia Colour
Ixx103mm4 Iyy103mm4
40 5 0.38 200 27 0.4 Grey
80 8 1.2 640 341 3 Grey
926 3.1 5.58 2778 198504 2 Grey
Angle

Available in stock NOW

Leg length (L1) mm Leg length (L2) mm Thickness (t) mm Weight kg/m Colour
25 25 3 0.270 Grey
35 35 5 0.605 Yellow
50 50 3 0.55 Grey
50 50 5 0.96 Grey
51 51 6.35 1.15 Grey
60 60 8 1.75 Grey
75 75 10 2.70 Grey
100 100 8 2.95 Grey

Full list of angle sizes available to order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

Equal Leg Angle

Leg length (L1) mm Leg length (L2) mm Thickness (t) mm Weight kg/m
28 28 3 0.35
30 30 3 0.309
38.1 38.1 6.35 0.87
40 40 4.2 0.600
40 40 4.8 0.676
45 45 5 0.800
50 50 4 0.715
50 50 6 1.100
50 50 4.6 0.820
50.8 50.8 6.35 1150
60 60 5.5 1.18
65 65 8 1.84
75 75 6 1.750
76.2 76.2 6.35 1650
76 76 9.5 2.70
80 80 8 2.3
88.9 88.9 6.35 2130
100 100 4 1500
100 100 10 3.520
101.6 101.6 6.35 2445
110 110 4.5 1.81

Unequal Leg Angle

Leg length (L1) mm Leg length (L2) mm Thickness (t) mm Weight kg/m
34 20 6 0.537
40 30 4 0.50
46 41 3 0.520
50 35 5 0.800
51 16 2.5 0.32
57.18 38.1 4.83 0.788
61.8 31.7 2.5 0.461
70 30 6.35 1.150
90 60 5 1.380
100 50 8 2.040
110 25 2.8 0.80
120 55 4 1.283
150 63 3 1.18
150 60 6 2.300
150 80 3 1330
170 80 5 2331
300 40 6 3765
300 160 6 5.1
306 63 3 2.05
U Channel

Available in stock NOW

Width (w) mm Length (L) mm Thickness (t) mm Weight kg/m Colour
Grey & Yellow
50# 30 4 0.75 Grey & Yellow
76 25 6.35 1.25 Grey
76 35 5 1.29 Grey
100 50 6 2.18 Grey
150 50 6 2.75 Grey
200 60 8 4.68 Grey
200 60 9.5 5.74 Grey
280 70 12.5 9.27 Grey

# The 50x30x4mm U Channel is suitable for the vertical stringers in ladder safety cages


Full list of U Channel sizes available to order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

Width (w) mm Leg length (L) mm Thickness (t) mm Weight kg/m
25 30 3 0.45
30 24 4.2 0.552
34 70 6 1.82
37 20 2.5 0.32
38 25 2 0.318
38.1 24 3 0.44
40 15 4 0.51
44.5 31.3 3.3 0.595
45 20 2.5 0.35
45 28 4/6.3 0.905
48 48 5 1226
48.5 30 3 0.57
50 22 8/3.0 0.93
50 28 4 0.75
50.8 25 4.2 0.72
51 25.4 3.2 0.528
51 25.4 4.8 0.778
51.5 31.3 3.3 0.642
52 25 3 0.548
53 55 7/5 1581
55 36.5 4 0.96
55 70 5 1.75
59.5 35 6 1281
60 49.5 4.5 1.23
60 60 4.8 1.59
70 30 4 0.964
70 30 5 1.12
70.5 25 3 0.597
71 3 5 1105
75 35 5 1290
76.2 25 6.35 1250
76.2 38.1 6.4 1.66
78.99 28.19 2.29/2.54 0.563
80 27.8 2.5/3 0.64
80 29.8 3 0.75
80 30 3 0.74
80 30 3.1/2.6 0.767
80 30 3.3 0.972
82 28 3/2.65 0.67
83 30 5/3.0 0.91
83.5 30 3.2/4 0.956
84 30 4.8/6 1.38
84 30 35/5.84 1.107
85 30 5/3.65 1160
87 30 5.3/3.25 1.03
87 33 3 0.86
88 34 5 1354
88.9 38.1 4.76 1450
90 35 8 2.15
90 45 5.2 1900
91.1 33.3 3.3 0.918
96.5 85 5 2431
100 35 5 1492
101.6 28.6 6.35 1.7
103 60 6.35 2.55
110 25 2.8 0.77
111 25 3 0.85
116 65 7.1 3.06
116.5 85 5 2621
120 50 6 2.33
120 60 8 3.5
120 60 5/5.2 2250
120 65 15/10 5370
127 45 6.35 2.32
139.7 38.1 4.76 1925
140 50 6 2573
150 60 8 3798
150 75 6/8 2750
152.4 39.9 9.5 3.65
152.4 41.28 6.35 2788
152.4 42.9 9.5 3.74
153.4 28.5 3.8/3 1.21
160 50 8 3.63
161.9 50.8 7.14 3320
180 60 8 4.42
180 180 10 9.666
193 30 3 1.38
200 50 10 5.16
200 60 10 5.6
203.2 55.56 6.35 3700
203.2 55.56 9.52 5440
240 72 12 8076
254 69.85 12.7 9080
263 50 3 2014
300 90 15 12.9
330 25 3.5 2.38
450 25 3.5 3.2

Moments Of Inertia

Width (w) mm Length (L) mm Thickness mm Weight kg/m Section Area mm2 Moment of inertia Colour
Ixx103mm4 Iyy103mm4 Grey & Yellow
50# 30 4 0.75 377 137 27 Grey
76 25 6.35 1.25 722 525 33 Grey
100 50 6 2.18 1141 1689 261 Grey
150 50 6 2.75 1142 4490 295 Grey
200 60 8 4.68  2465  13274  689 Grey
200 60 9.5 5.74 2874 15161 791 Grey
280 70 12.5 9.27 4767 47196 1634 Grey
Box Section

Available in stock NOW

Side (b1) mm Side (b2) mm Thickness (t) mm Weight kg/m Colour
25 25 3 0.55 Grey
38 38 3.2 0.80 Grey & Yellow
38 38 5 1.24 Grey & Yellow
44 44 6 1.70 Grey & Yellow
51 51 3.25 1.13 Grey & Yellow
51 51 6.35 2.17 Grey & Yellow
60 60 4.25 1.85 Grey & Yellow
76 76 6.35 3.56 Grey
101.6 50.6 6.35/3.25 2.34 Grey
102 102 6.35 4.60 Grey

List of box section, square and rectangular sizes available to order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

Square Box Sections

Side (b1) mm Side (b2) mm Thickness (t) mm Weight kg/m
30 30 2 0.44
32 32 4 0.850
38.1 38.1 3.18 0.886
40 40 5 1.27
50 50 4 1.35
50 50 4.8 1.62
50 50 5 1.68
50 50 6 1.95
50.8 50.8 3.2 1.13
50.8 50.8 4 1.480
50.8 50.8 5 1.73
58 58 3 1.250
60 60 2.5 1.09
60 60 4.25 1.77
60 60 4.6 1.84
62.6 62.6 5.7 2.47
63.2 63.2 6.10 2.540
64.5 64.5 3.00 1.365
64.5 64.5 6.20 2.640
75 75 6 3.102
75 75 8 4.014
76.2 76.2 4 2.19
76.2 76.2 9.52 4.95
80 80 3.5 2.04
80 80 12 6.84
82 82 6 3.46
82 82 6.35 3.61
88.5 88.5 3.1 2.11
88.5 88.5 6.10 3.760
88.5 88.5 12.5 7.85
88.9 88.9 6.35 4.11
90 90 6 3.81
90.6 90.6 4.3 2.84
100 100 5 3.56
100 100 8 5.46
101.6 101.6 6 4.36
101.6 101.6 9.52 6.87
135 135 8 7.5

PROFILES IN GREEN SLIDE FIT TOGETHER
PROFILES IN RED SLIDE FIT TOGETHER


Rectangular Box Sections

350250613.2Grey

Side (b1) mm Side (b2) mm Thickness (t) mm Weight kg/m Colour
18.16 10.8 2.286 2.100 Grey
20 10 2 0.195 Grey
22 20 3 0.411 Grey
27.7 13.6 3 0.4 Grey
38 15 3 0.520 Grey
38 23 5 0.910 Grey & Yellow
40 25 3 0.649 Grey
40 25 3 0.776 Grey
50.8 30 6.35 1.200 Grey & Yellow
58 25 3 0.86 Grey & Yellow
58.3 25.2 2.29 0.673 Grey
60 30 3.5 1.08 Grey & Yellow
63.3 37 3.5 1.120 Grey & Yellow
64.2 27 4.2/2 0.82 Grey
65 25 3 0.94 Grey
65 30 3/4.0 1.370 Grey
75 35 3/6 1.600 Grey
80 40 4 1.71 Grey
80 50 5 2.23 Grey
85 35 4 1.67 Grey
90 40 4/7.0 2.085 Grey
95 45.5 3.2 1.750 Grey
95 68 6 3.53 Grey
96 68 6 3.403 Grey
101.6 50.8 5 2.650 Grey
101.6 50.8 8.4/8.88 4.300 Grey
101.6 50.8 3.2/6.35 2.304 Grey
110 50 4/8 2.887 Grey
110 80 5 3.33 Grey
120 60 5 3.14 Grey
120 60 7 4.38 Grey
125 60 4 2.57 Grey
125 89 4/3.0 2.66 Grey
130 60 3.5 2.5 Grey
135 35 4 2.38 Grey
140 100 5/3.0 3.42 Grey
152.4 101.6 9.5 8.100 Grey
160 90 3.5 2.9 Grey
190 90 4 4.14 Grey
200 70 4 3.86 Grey
200 35 4 3.34 Grey
210 110 4 4.75 Grey

Moments Of Inertia

Box Section

Side
(B1)mm
Side
(B1)mm
Thickness
(t) mm
Weight
kg/m
Section
Area mm2
Moment of inertia Colour
Ixx103mm4 Iyy103mm4
25 25 3 0.55 264 22 22 Grey
38 38 3.2 0.8 422 91 91 Grey & Yellow
38 38 5 1.24 660 123 123 Grey & Yellow
44 44 6 1.7 911 224 224 Grey & Yellow
51 51 3.2 1.13 617 235 235 Grey & Yellow
51 51 6.35 2.17 1137 382 382 Grey & Yellow
60 60 4.25 1.85 999 516 516 Grey & Yellow
76 76 6.35 3.56 1782 1462 1462 Grey
101.6 50.6 6.35/3.25 2.34 1221 1853 465 Grey
102 102 6.35 4.6 2441 3715 3715 Grey
ibeam2-300x1501

Available in stock NOW

Width (w) mm Height (h) mm Thickness (t) mm Weight kg/m Colour
30 40 2 0.40 White
70 120 8 3.77 Grey
80 150 10 5.71 Grey
100 200 9.5 7.20 Grey
200 200 10 11.02 Grey

List of I Beam and wide flange (H) beam sizes available to order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

I Beam and Wide Flange (H) Beams

Width (w) mm Height (h) mm Thickness (t) mm Weight kg/m
15 38 4 0.35
15.2 38.1 4.5 0.588
15.4 25.4 4 0.373
18 51 4.5 0.761
18 51 5.5 0.761
30 25 3 0.480
30 25 3.6/2.6 0.45
30 40 3 0.590
30 40 3.6/2.6 0.56
30 58 3 649
30 65 3 0.750
30 80 3 0.873
39 58 6 0.649
51 102 6.4 2491
60 80 3.3 1320
60 80 4
60 120 6 2.54
75 150 8 4.25
76 152 6.4 3562
76.2 152.4 9.53 5366
80 116.5 5 2530
80 152 10 5.710
80 160 8 4.54
100 100 6.5 3170
100 100 8 4378
100 103 6.5 3.17
100 120 8 3.77
100 150 8 5.022
120 120 8 5200

Stiffening profiles for insulated sandwich panels in red.


Moments Of Inertia

Pultruded I Beam And Wide Flange (H) Beam

Width (W)
mm
Height (H)
mm
Thickness
(t) mm
Weight
kg/m
Section
Area mm2
Moment of inertia Colour
Ixx103mm4 Iyy103mm4
30 40 2 0.4 193 51 9 White
70 120 8 3.77 2002 4394 463 Grey
80 150 10 5.71 2951 10125 866 Grey
100 200 9.5 7.2 3670 22341 1598 Grey
200 200 10 11.02 5800 40993 13318 Grey
handrail-300x2461
toe_rail1
round-tube1

Available in stock NOW

Dimensions mm Weight kg/m Colour
Handrail profile 76 x 50 1.47 Grey & Yellow
Knee rail tube 38od x 32 id 0.62 Grey & Yellow
Knee rail tube 31od x 25 id 0.54 Grey & Yellow
Toe rail (Kick plate) 150 x 3 1.30 Grey & Yellow

See the GRP Standard Handrails page and the GRP Modular Handrails page for an alternative handrail system.


Pultruded Handrail Profiles Made To Order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

Handrail Profiles

Dimensions mm Weight kg/m
Handrail profile 70×60 (fits 51mm box stanchion) 1.47
61×61 (fits 60mm box stanchion 1.53
Knee rail tube 32od x 28 id 0.35
Toe rail (Kick plate) 110×18.5×3.5 (E Shape) 1.01
150x15x3 (cavity) 1.45
101x15x3.6 (W shape) 0.85
ladder rung

Available in stock NOW

Outside (ribbed) dia (d1) mm Inside (ribbed) dia (d2) mm Thickness (t) mm Weight kg/m Colour
34.5 25.5 3.25 0.67 Grey & Yellow

Pultruded Ladder Rung Made To Order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

Ladder Rung (Round Ribbed)

Outside (ribbed) dia (d1) mm Inside dia (d2) mm Thickness (t) mm Weight kg/m
38 28 4
27 20 3 0.55
24.5 16 3.5

D section Ladder Rung

Overall width mm Overall depth mm Thickness (t) mm Weight kg/m
37 27.5 2.5
Unistrut

Available in stock NOW

Width (w) mm Height (h) mm Thickness (t) mm Weight kg/m Colour
41.5 41.5 3.50 0.92 Grey

Pultruded Uni-Strut Made To Order

Please note that the minimum order is 500m and production typically takes between 12-14 weeks.

Uni-Strut Type Profile

Width (w) mm Height (h) mm Thickness (t) mm Weight kg/m
42 24 5 0.074
42 42 3 (5) 0.85
Interlocking

Available in stock NOW

Cover Width (w) mm Height (h) mm Thickness (t) mm Weight kg/m Colour
500 40 4.50 8.70 Grey
Embedment

Available in stock NOW

Embedment angle (w) mm Height (h) mm Thickness (t) mm Weight kg/m Colour
55 35 5 1.21 Grey
Box End Caps

Box End Caps

  • 51 x 6.35mm Over End Cap
  • 60 Box Insert End Cap
  • 51 Box Insert End Cap

BSEN13706 Specification for Pultruded Profiles defines two grades of structural profiles. Our structural profiles with a wall thickness of over 5mm meet the higher performance E23 grade, while those at 3-5mm thick meet the E17 grade. Please view our Technical Data Table below for further specifications.

Units Property Data Property Data
E 23 Grade E 17 Grade
Full section modulus GPa 23 17
Tensile strength (axial) MPa 240 170
Tensile strength (transverse) MPa 50 30
Tensile Modulus (axial) GPa 23 17
Tensile Modulus (transverse) GPa 7 5
Flexural strength (axial) MPa 240 170
Flexural strength (transverse) MPa 100 70
Inter-laminar shear MPa 25 15
Pin bearing strength MPa 70 50

Additional Generic Physical Property Data

Property Units typical value
Density g/cm 3 1.9
Barcol Hardness 3 50
Water Absorption % 1.0 max
Electrical Strength kV/mm 5-10
Coeff. of thermal expansion deg C x 10 -6 6-10
Coeff. of thermal conductivity W/m deg C 0.3-0.35

– 6 metres as standard
– Can be cut to suit
– Immediate delivery from stock
– More Profiles available but not stocked

Pultruded Profiles: Grey
Handrails and Ladder Profiles: Grey/Yellow
– Other RAL colours available on request

– Fire retardant to BS476
– Pt7 Class 1
– Pt7 Class 2
– Low smoke
– Low toxicity

Other Points

– Price dependant on volume
– Next day delivery in most cases
– Structural Profiles are stocked in Grey with some shapes also stocked in Yellow

Interested? Contact us about this product