GRP Decking (Deck500)

GRP Decking (DECK500) is a one-piece pultruded profile, 500mm over width, with a tongue and groove joint along the length of the plank that gives a firm, sealable joint between lengths of profile.

DECK500 gives a solid floor with a gritted anti-slip surface. It will span 1.5m at a design load of 5kN/m2 with a deflection limit of L/200 and meets all the requirements of BS 4592-4 Industrial type flooring and stair treads — Part 5: Solid plates in metal and glass reinforced plastics (GRP) — Specification and BS EN ISO 14122 part 2 - Safety of Machinery – Permanent means of access to machinery.

DECK500 is suitable as a mezzanine floor, for walkways, pedestrian bridge decks and odour control covers or to keep out water penetration in potable and waste water treatment units.

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DECK500 meets all the requirements of EN 13706 – Specification of grp profiles – Grade E23 and is manufactured uer ISO 9001 registered quality control system.


DECK500 can be used in a number of other applications where its strength, light weight and ease of joining provide important benefits.

For example:

• Top deck covers for cooling towers
• Baffles in water treatment tanks
• Stop locks
• Flood defence barriers—easy to install, no theft value

Mechanical Properties

The following data has been calculated from measurements made of the full section modulus - EN 13706, Annex D

What are the key benefits of Deck500?

The key benefits of GRP decking (Deck500) include durability, slip resistance, low maintenance, resistance to corrosion and UV damage, and a wide range of customisable styles and textures.

Is GRP decking slip resistant?

GRP decking (Deck500) is designed to be slip-resistant, even when wet. Its surface is often textured to provide grip, reducing the risk of slips and falls. It can be installed for a wide range of applications which we cover in the next FAQ.

Where is GRP decking used?

GRP decking is suitable for a wide range of applications. Engineered Composites regularly supply for commercial spaces, marinas, industrial facilities, and more. Get your FREE quotation today from our dedicated team.

Does GRP decking require maintenance?

GRP decking requires minimal maintenance. Regular cleaning with mild detergent and water is typically all that's needed to keep it looking its best. Compared to traditional decking materials, maintenance is significantly reduced with GRP!

Is GRP decking suitable for outdoor use?

Yes, GRP decking is highly suitable for outdoor applications. It's known for its resistance to moisture, UV rays, and corrosion, making it ideal for decks, patios, pool areas, and other outdoor spaces.

Can GRP decking be customised?

Yes, GRP decking comes in a variety of styles, colours, and textures, allowing you to customise your outdoor space according to your preferences. Get in touch with us today to discuss your bespoke order.

How long does GRP decking last?

GRP decking has a long lifespan and can last for many years, often outlasting traditional wood decking. Deck500 can last for anywhere between 10 to 30 years or more.

Why choose Engineered Composites?

Here at Engineered Composites, we are proud to be your 5-star-rated suppliers of Deck500. With dozens of reviews behind us, we continue to provide an unrivalled service as the number one GRP supplier.

"Excellent Customer Service. Supplied Composite rebar for our precast units (Macrete Ireland Ltd). 5-star service from us for Engineered Composites!''

Clayton Lawrence

"We've being using Engineered Composites services for over 10 years & long may it continue. Professional at all times & no issues with quality or prices. Great range & availability.''

Will Austin

"5-Star service, great company to work with. Make's my life easier with prompt response times, on schedule deliveries and effective communication throughout.''


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