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Steel Gratings - Ventilation Grilles and Flooring
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Application

Suitable for walkways, balcony decking, ventilation grilles, open mesh flooring, service platforms, escape stairs and brise soleil.

Description

Grating panels are made in a wide range of apertures. The different apertures provide alternative levels of free area to meet ventilation and project requirements.


Features and benefits:

  • Framed panels are manufactured to custom-sizes for a wide variety of applications such as walkways, balcony decking, ventilation grilles, service platforms, escape stairs and brise soleil.
  • Panels and support steelwork are supplied hot-dip galvanized, with an option for an additional polyester powder coating to any RAL colour.
  • Any grating with an aperture 22 mm wide or less can be classified as a safety grating in accordance with BS 45920: 2006. These gratings will prevent the passage of a 20 mm sphere.


Electrofused Gratings (Type-EF):

  • Manufactured from flat bearing bars and round transverse bars and available in the following apertures: 22 x 38 mm, 22 x 76 mm, 25 x 76 mm, 25 x 25 mm, 34 x 38 mm and 34x76 mm.
  • The bearing bar can vary from 25 x 3 mm to 80 x 4 mm and the transverse bar from 4—6 mm in diameter, for different loading/ span requirements.


Pressure Locked Gratings (Type-PL):

  • Pressed gratings which are manufactured exclusively from flat bars.
  • Available in the following apertures: 22 x 22 mm, 22 x 66 mm, 33 x 33 mm, 33 x 66 mm, 44 x 22 mm, 66 x 22 mm and 66 x 33 mm.
  • Bearing bar can vary from 25 x 2 mm to 150 x 5 mm and the transverse bar from 10 x 2 mm to 20 x 4mm, to meet different loading/ span requirements.


Pressure Locked Gratings (Type-PLX):

  • Cross pressed gratings designed for heavy duty vehicle loadings, manufactured exclusively from flat bars.
  • Available in the following apertures: 22 x 66 mm, 33 x 33 mm, 33 x 66 mm, 25 x 66 mm and 66 x 33 mm.
  • The bearing bar can vary from 30 x 4 mm to150 x 6 mm and the transverse bar from 15 x 4 mm to 30 x 6 mm, for different loading/ span requirements.

General information

Color

Grey

Galvanized.

Other

Hot-dip galvanized and polyester powder coated option to any RAL or BS colour.

Finish

Galvanized

Hot-dipped to BS EN ISO 1461.

Powder-coated

Hot-dip galvanized and polyester powder coated to BS EN ISO 1461 and BS 1722–16.

Material

Mild steel

S235JR.

Steel

Shape

Rectangle

Square

Length

Bespoke

Width

Bespoke

Height

Bespoke

Uniclass

Pr_25_96_30_31 Footway gratingsPrimary

CAWS

L30/20 Stairs

L30/250 Metal stairs

L30/30 Proprietary stairs

L30/310 Proprietary stairs

L30/45 Ramps/ walkways

L30/460 Walkways

L30/470 Ramps

Q10/312 Footway gratings

Product range

Flooring

Specification data - Footway gratings Enhanced data

Size

Contact manufacturer for more information.

-

Grating type

Electrofused Gratings (Type-EF).

Manufactured from flat bearing bars and round transverse bars.

Material

Mild steel S235JR.

Loading grade

Contact manufacturer for more information.

-

Finish

Hot-dip galvanized.

Hot-dipped to BS EN ISO 1461.

Hot-dip galvanized and polyester powder coated, RAL.

Colour

Grey.

Hot dipped galvanized.

RAL.

Insert requirement. Hot-dip galvanized and polyester powder coated to any RAL colour.

Pattern

Rectangle.

Fixing type

Bolted, fixing clips.

Gratings are supplied with to clamp the panel to the substructure.

Accessories

Not required.

Bolts.

Clips.

Panel

EF – 22 x 38.

Aperture

Alternative apertures of pressure locked gratings are available on request.

22 x 38 mm.

Transverse bars

4—6 mm diameter.

For different loading/ span requirements.

Bearing bar

From 25 x 3 to 80 x 4 mm.

For different loading/ span requirements.

Environmental information

Recyclability

100%

Literature

Open Mesh Floor Grating

Open Mesh Floor Grating

Case studies

Open mesh steel balustrades, walkways, stairs at Bradfield College Greek Theatre: DemiAlto-55×110/50×5

Open mesh steel balustrades, walkways, stairs at Bradfield College Greek Theatre: DemiAlto-55×110/50×5

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