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Application

Can be used on the following:

  • Platforms.
  • Walkways.
  • Landings.
  • Trenches (as covers).
  • Drains.
  • Manholes.

Description

Versatile glass reinforced plastic (GRP) grating, available in a wide range of variants.

Features and benefits:

  • Fire retardant (conforms to ASTM-E84, ASTM-D635 and BS EN 13501).
  • Chemical, corrosion and weather resistant.
  • Low maintenance.
  • Anti-slip; provided with either a gritted or concave top surface.
  • Lightweight, allowing for easy handling and fabrication on site.
  • Non-conductive to electricity.
  • Long life expectancy.
  • Provides an alternative to steel.
  • Easy to install, cut to size or shaped as required.

Applications:

Can be used on the following:

  • Platforms.
  • Walkways.
  • Landings.
  • Trenches (as covers).
  • Drains.
  • Manholes.

General information
Specification data - Glass-reinforced plastics (GRP) moulded open mesh gratings
Product Reference

GRP Moulded Grating

Type

See 'Options' and insert product code.

Panel size

See 'Options' and insert requirements.

Colour

Green, RAL 6010

Standard (across whole range).

Light grey, RAL 7035

Standard (across whole range).

Yellow, RAL 1003

Standard (across whole range).

Standard product features

Typical technical characteristics (to EN ISO 178):

  • E-Modulus: 14.500 N/mm².
  • Density: 1.8 kg/dm³.
  • Flexural strength: 216 N/mm².
  • Maximum bending stress: 216 N/mm².
  • Area moment of inertia: 35.918 mm4.
  • Sectional moment of inertia: 1.633 mm³.

Consult manufacturer for further technical data relating to each variant.

Product Options

Type:

- Gritted:

Supplied with a gritted surface, achieving high anti-slip properties.

  • BK513-38-5: Depth: 13 mm. Surface: Gritted. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 6.1 kg.
  • BK513-50-5: Depth: 13 mm. Surface: Gritted. Finish: Light grey. Pitch: 50.8 x 50.8 mm. Mesh size: 43.3 x 43.3 mm. Weight: 6 kg.
  • BK522-19-5: Depth: 22 mm. Surface: Gritted. Finish: Light grey. Pitch: 19 x 19 mm. Mesh size: 12 x 12 mm. Weight: 14.6 kg.
  • BK522-38-5: Depth: 22 mm. Surface: Gritted. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 10.8 kg.
  • BK525-19-5: Depth: 25 mm. Surface: Gritted. Finish: Light grey. Pitch: 19 x 19 mm. Mesh size: 12 x 12 mm. Weight: 17.5 kg.
  • BK525-38-5: Depth: 25 mm. Surface: Gritted. Finish: Light grey, green or yellow. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 12.5 kg.
  • BK525-40-5: Depth: 25 mm. Surface: Gritted. Finish: Light grey, green or yellow. Pitch: 40 x 40 mm. Mesh size: 33.7 x 33.7 mm. Weight: 12 kg.
  • BK530-20-5: Depth: 30 mm. Surface: Gritted. Finish: Light grey. Pitch: 20 x 20 mm. Mesh size: 13 x 13 mm. Weight: 18.4 kg.
  • BK530-38-5: Depth: 30 mm. Surface: Gritted. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 14.9 kg.
  • BK530-40-5: Depth: 30 mm. Surface: Gritted. Finish: Light grey. Pitch: 40 x 40 mm. Mesh size: 34 x 34 mm. Weight: 14.2 kg.
  • BK538-19-5: Depth: 38 mm. Surface: Gritted. Finish: Light grey or green. Pitch: 19 x 19 mm. Mesh size: 12 x 12 mm. Weight: 24.1 kg.
  • BK538-38-5: Depth: 38 mm. Surface: Gritted. Finish: Light grey, green or yellow. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 19.3 kg.
  • BK538-40-5: Depth: 38 mm. Surface: Gritted. Finish: Light grey. Pitch: 40 x 40 mm. Mesh size: 34 x 34 mm. Weight: 18.9 kg.
  • BK550-25-5: Depth: 50 mm. Surface: Gritted. Finish: Light grey or green. Pitch: 25.4 x 25.4 mm. Mesh size: 17.9 x 17.9 mm. Weight: 24.4 kg.
  • BK550-50-5: Depth: 50 mm. Surface: Gritted. Finish: Light grey or green. Pitch: 50.8 x 50.8 mm. Mesh size: 43.3 x 43.3 mm. Weight: 20.7 kg.

Other surface options are available of coarse corundum sanding (add 'O' to product code, e.g. BKO513-38-5), or a smoother sanded surface with quartz (add 'Q' to product code, e.g. BKQ513-38-5); consult manufacturer for details.

- Solid gritted:

With a closed, gritted surface.

  • GES530-38-5: Depth: 30 mm. Surface: 3 mm solid gritted. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 20 kg.
  • GES538-38-5: Depth: 38 mm. Surface: 3 mm solid gritted. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 23.8 kg.
  • GES541-38-5: Depth: 41 mm. Surface: 3 mm solid gritted. Finish: Light grey or green. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 24.5 kg.
  • GES553-50-5: Depth: 53 mm. Surface: 3 mm solid gritted. Finish: Light grey or green. Pitch: 50.8 x 50.8 mm. Mesh size: 43.3 x 43.3 mm. Weight: 26 kg.

- Concave:

On a concave surface, the face of the web curves inwards during the thermosetting process, and these variants have high anti-slip properties.

  • K513-38-5: Depth: 13 mm. Surface: Concave. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 5.6 kg.
  • K513-50-5: Depth: 13 mm. Surface: Concave. Finish: Light grey. Pitch: 50.8 x 50.8 mm. Mesh size: 43.3 x 43.3 mm. Weight: 5.5 kg.
  • K522-19-5: Depth: 22 mm. Surface: Concave. Finish: Light grey. Pitch: 19 x 19 mm. Mesh size: 12 x 12 mm. Weight: 13.8 kg.
  • K522-38-5: Depth: 22 mm. Surface: Concave. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 10.3 kg.
  • K525-19-5: Depth: 25 mm. Surface: Concave. Finish: Light grey. Pitch: 19 x 19 mm. Mesh size: 12 x 12 mm. Weight: 17 kg.
  • K525-38-5: Depth: 25 mm. Surface: Concave. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 12 kg.
  • K525-40-5: Depth: 25 mm. Surface: Concave. Finish: Light grey. Pitch: 40 x 40 mm. Mesh size: 33.7 x 33.7 mm. Weight: 11.5 kg.
  • K530-20-5: Depth: 30 mm. Surface: Concave. Finish: Light grey. Pitch: 20 x 20 mm. Mesh size: 13 x 13 mm. Weight: 17.4 kg.
  • K530-38-5: Depth: 30 mm. Surface: Concave. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 14.4 kg.
  • K530-40-5: Depth: 30 mm. Surface: Concave. Finish: Light grey. Pitch: 40 x 40 mm. Mesh size: 34 x 34 mm. Weight: 13.7 kg.
  • K538-19-5: Depth: 38 mm. Surface: Concave. Finish: Light grey. Pitch: 19 x 19 mm. Mesh size: 12 x 12 mm. Weight: 23.1 kg.
  • K538-38-5: Depth: 38 mm. Surface: Concave. Finish: Light grey. Pitch: 38.1 x 38.1 mm. Mesh size: 31 x 31 mm. Weight: 18.8 kg.
  • K538-40-5: Depth: 38 mm. Surface: Concave. Finish: Light grey. Pitch: 40 x 40 mm. Mesh size: 34 x 34 mm. Weight: 18.4 kg.
  • K550-25-5: Depth: 50 mm. Surface: Concave. Finish: Light grey. Pitch: 25.4 x 25.4 mm. Mesh size: 17.9 x 17.9 mm. Weight: 23.4 kg.
  • K550-50-5: Depth: 50 mm. Surface: Concave. Finish: Light grey. Pitch: 50.8 x 50.8 mm. Mesh size: 43.3 x 43.3 mm. Weight: 20.2 kg.

- Sandwich panel:

GRP grating which has a solid top and bottom face. Gritted top as standard.

  • SAND550-50-5 (2 x 3): Depth: 50 mm. Surfaces: 3 mm solid top and bottom. Finish: Light grey. Pitch: 50.8 x 50.8 mm. Mesh size: 17.9 x 17.9 mm. Weight: 31 kg.
  • SAND550-50-5 (2 x 6): Depth: 50 mm. Surfaces: 6 mm solid top and bottom. Finish: Light grey. Pitch: 50.8 x 50.8 mm. Mesh size: 17.9 x 17.9 mm. Weight: 39 kg.

Panel size:

  • 997 x 3666 mm: For BK525-38-5 and K525-38-5 only.
  • 998 x 4046 mm: For K538-38-5, BK538-38-5, GES538-38-5 and GES541-38-5 only.
  • 1000 x 2000 mm: For K525-40-5, BK525-40-5, K530-20-5, BK530-20-5, K530-40-5, BK530-40-5, K538-40-5, and BK538-40-5.
  • 1000 x 3000 mm: For K525-40-5, BK525-40-5, K530-40-5, BK530-40-5, K538-40-5 and BK538-40-5.
  • 1000 x 4000 mm: For K530-20-5 and BK530-20-5 only.
  • 1226 x 2445 mm: For K522-19-5, BK522-19-5, K522-38-5, BK522-38-5, K525-38-5, BK525-38-5, K530-38-5, BK530-38-5 and GES530-38-5.
  • 1226 x 2446 mm: For K538-38-5, BK538-38-5, GES538-38-5, and GES541-38-5 only.
  • 1226 x 3664 mm: K513-38-5, BK513-38-5, K513-50-5, BK513-50-5, K514-19-5, K522-19-5, BK522-19-5, K525-19-5, BK525-19-5, K525-38-5, BK525-38-5, BK530-38-5, GES530-38-5, K538-19-5, BK538-19-5, K538-38-5, BK538-38-5, GES538-38-5, GES541-38-5, K550-25-5, BK550-25-5, K550-50-5, BK550-50-5, GES553-50-5, SAND550-50-5 (2 x 3) and SAND550-50-5 (2 x 6).
  • 1226 x 4046 mm: For K530-38-5, BK530-38-5 and GES530-38-5.
  • 1247 x 4047 mm: For K525-40-5, BK525-40-5, K530-20-5, BK530-20-5, K530-40-5 and BK530-40-5.
  • 1416 x 4047 mm: For K513-38-5 and BK513-38-5 only.
  • 1531 x 3664 mm: For K522-38-5, BK522-38-5, K550-25-5 and BK550-25-5 only.
  • 1531 x 4083 mm: For K538-19-5 and BK538-19-5 only.
  • 1645 x 3665 mm: For K538-19-5 and BK538-19-5 only.
  • 1684 x 3664 mm: For K550-25-5 and BK550-25-5 only.

Colour:

Other RAL colours are possible. Consult manufacturer for details.

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