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GRP FlowTread

GRP FlowTread

Lionweld Kennedy Flooring Ltd

LK FlowTread Pultruded GRP grating is capable of longer spans and a higher load capacity than the standard GRP systems. It’s a lightweight, durable solution for walkways, gullies and drainage covers.

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  • Walkways.
  • Platforms.
  • Gullies.
  • Drainage covers.


Pultruded glass reinforced polyester (GRP) grating for achieving longer spans, used on walkways, platforms, gullies and drainage covers.

Features and benefits:

  • Capable of achieving longer spans and a higher load capacity than standard moulded GRP grating systems.
  • Several aperture openings are available to meet ball baring drop through tests for various applications.
  • Durable.
  • Lightweight - up to 50% lighter than steel gratings.
  • Finished with a hard-wearing, anti-slip gritted surface.


  • Walkways.
  • Platforms.
  • Gullies.
  • Drainage covers.

General information

Dark grey, light grey, yellow, antique brown


Strong and durable, lightweight, reduced mesh size allows drainage and debris, fall prevention, anti-slip surface, non-conductive, corrosion resistant, up to 50% lighter than steel


Anti slip gritted surface


Isophthalic Polyester



Uniclass 2015
Pr_25_96_30_31 Footway gratingsPrimary

L30/45 Ramps/ Walkways

L30/460 Walkways

Q10/312 Footway gratings

Specification data - Footway gratings
Product Reference

GRP Flowtread


HD Range

Available to maximize vehicle load applications.

Isophthalic Polyester

Suitable for general use where factors such as high-strength, non-conductive, lightweight and corrosion resistant applications are required.


Has high fire retardant properties, and meets section 12 of London Underground standards for low smoke and toxicity use in tunnels.

Size -

5600 x 510 mm

HD range only.

5600 x 760 mm

HD range only.

6000 x 1000 mm

6000 x 1200 mm


150 x 22 mm (HD 3000)

HD range only.

150 x 30 mm (HD 5000)

HD range only.

150 x 38 mm (HD 6000)

HD range only.

152 x 25 mm

40% open.

152 x 30 mm

48% open.

152 x 34 mm

55% open.


25 mm

38 mm

45 mm

50 mm

HD range only.


Antique Brown

Dark Grey (RAL 7043)

Light Grey (RAL 7040)

Yellow (RAL 1003)

Yellow (RAL 1021)


3.0 kN/m²

5.0 kN/m²

7.5 kN/m²

Standard product features


Glass reinforced polyester (GRP).

Fire rating:

  • Isophthalic Polyester: To ASTM E84 Class 1 (when <25 mm); to ASTM E84 Class 0 (when <5 mm).
  • Phenolic (to BS 476, Part 7): Class 0.

Product Options


- Apertures:

  • 150 x 22 mm (HD 3000), 150 x 30 mm (HD 5000), and 150 x 38 mm (HD 6000): 35 mm ball proof.
  • 152 x 25 mm, 152 x 30 mm and 152 x 34 mm: 20 mm ball proof.


Other RAL colours may be available on request - consult manufacturer for details.

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