Home > Products > Composite Products > Grating Systems Moulded & Pultruded > GRP Pultruded Grating - Open - Fibreglass Pultruded Grating - Open
PULTRUDED: GRP FIBREGLASS PULTRUDED GRATING - OPEN
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Product name:
Pultruded Open
Manufactured from:
Assembled structure of high
strength GRP Fibreglass pultruded bearer
bars and transverse link rods.
Sizes available:
- Types: I or T cross sections
- Open surface area:
33% | 40% | 50% | 60% - Lengths: 2440mm | 3050mm |
3660 | 6100mm - Widths: 915mm | 1220mm
- Thicknesses:
25mm | 30mm | 38mm | 50mm
Custom options:
- Custom sizes
- Cut to preferred sizes
- Gritted top type
- Solid top surface type
- Conductive top type
Colour range:
- Standard: Grey, Black, Green,
Yellow, Beige - Bespoke: Any RAL colour
(minimum order quantity may
apply)
Applications, environments
and traffic:
- Load bearing surfaces
- Higher strength for greater
unsupported spans - Platforms, decks, stairs &
walkways - Reduced slip hazards from gritted
top surfaces - Internal / external environments
- Pedestrian, light vehicular
Can be fixed to:
Steel, wood and concrete
Fixing Method:
Full range of specialist fasteners
Benefits of GRP Pultruded Open include:
- Cost effective replacement for metal gratings
- High loading capacity product
- Long lasting & durable
- Little or no maintenance requirement
- Suitable for all environments, exterior or interior
- Fire retardent: tested to ASTM E84 & D635
- Corrosion & chemical resistant (full details available)
- Impact resistant
- Relative light weight makes for easy transport & handling
- Rapid & easy installation: wide choice of fasteners to suit all on-site conditions
- Low electrical conductivity
- Full range of RAL colours available to order*
- Easily cleanable
- Free cutting service*
*subject to order type & size
Colours:
White
Light Grey
Yellow
Orange (Type V)
Red (Type P)
Dark Grey (Type O)
Green (Type I)
Blue
To Order:
All resin types are available in any RAL colour*
Dimensions:
Panel heights : 25 mm | 30 mm | 38 mm | 50 mm
Panel lengths : 2440 mm | 3050 mm | 3660 mm | 6100 mm
Panel widths : 915 mm | 1220 mm
Openings : 33% | 40% | 50% | 60%
Custom sizes to order
Additional Options:
Choice of colour
Gritted top surface
Covered & gritted top surface
Manufactured/fabricated to size prior to delivery
Full range of fasteners
Full specifications and performance data for this product range are available upon request.
*Note: pultruded gratings are available to order. Please contact us for further information on lead times.
Applications for GRP Pultruded Open include:
- Platforms
- Gully/drain channel covers
- Walkways
- Bridge decking
- Marina & waterside applications
Manufactured by a process of pultrusion, longitudinal fibreglass rovings,
multi-directional glass mat reinforcement, thermosetting resins and a synthetic
surface veil are all combined to form an extremely strong and corrosion resistant
structural section.
These sections, or bearing bars are either 'I' or 'T' shaped profiles and are assembled & transversely linked with 3-part
composite rod sections.
The resultant structures have a high load bearing capacity (much greater than moulded grating systems) and are
ideally suited to installations with greater unsupported spans and even vehicular traffic. Choice of resin types enable
the product to withstand the harshest of industrial & commercial environments. Even when exposed to these
conditions over extended periods, they require little or no maintenance. These types of gratings have been in service
in excess of 20 years with no failures or discernible structural changes noted.
Suitable for both interior or exterior use, coupled with a proven resistance to the effects of chemical corrosion and UV
light degradation, they are also fire retardant.
Depending on the specification, the panels are available with a choice of spacing, or opening between the bearer bars
of between 33%-60% of the surface area.The bearer surfaces may be further enhanced by an optional gritted coating,
or covered and gritted top surface.
The relative light weight of the product makes transport, handling & installation far easier than metallic gratings.
Panels may be manufactured or cut to size before delivery to site for immediate installation, or cut in-situ using
diamond tipped tooling and resealed using approved resin top coat.
Resin Types:
TYPE | RESIN BASE | CHARACTERISTICS | APPLICATIONS |
O | Orthophthalic Polyester | Std: Dark grey colour Moderate corrosion resistance Fire retardant ASTM E84 Class 1 Flame spread index 25 or less Operating temperature -50?-100?C |
Water/wastewater or air-conditioning. Light industrial applications. Wave zone areas of offshore platforms |
I | Isophthalic Polyester | Std: Green colour Industrial grade corrosion resistance Fire retardant ASTM E84 Class 1 Flame spread index 15 or less Operating temperature -50?-105?C |
Environments with mid concentrations of inorganic acids & alkalis |
F | Food Grade Polyester | Industrial grade corrosion resistance Fire retardant ASTM E84 Class 1 Flame spread index 15 or less Operating temperature -50?-105?C |
Used in food processing plants or drinking water plants |
V | Vinylester | Std: Orange colour Superior corrosion resistance Fire retardant ASTM E84 Class 1 Flame spread index 25 or less Operating temperature -50?-110?C |
Highly corrosive environments |
HV | High Flame Resistant Vinylester | Superior corrosion resistance Fire retardant ASTM E84 Class 1 Flame spread index 10 or less Operating temperature -50?-110?C ABS (American Bureau of Shipping) approved |
Highly corrosive environments where a higher flame resistance is specified |
P | Phenolic | Std: Red colour Low smoke and superior fire resistance Fire retardant ASTM E84 Class 1 Flame spread index 5 or less Operating temperature -50?-180?C |
Where fire resistance, low smoke and low toxic fumes are critical e.g. underground |
Can be fixed to or supported on:
Concrete, metal, wooden structures
Fixing methods:
Stainless or galvanised bolts combined with saddle clamps, single or double G - clamps with surface mounted discs or square plates, insert clips and sub-panel connector brackets.
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