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Established 1972
01795 429424
Work Hours

Mon - Fri: 07:30 - 16:00
Closed on weekends

Location
Units 40 – 43, Church Road Business Centre Sittingbourne Kent ME10 3RS

Group Four Glassfibre

Manufacturing Glassfibre Reinforced Plastic (GRP) mouldings, and supplying our own range of GRP Products, Tank Housings and Modular Enclosures. Our client list is nationwide.

We also make a variety of mouldings for the medical, industrial, amusement, building and architectural markets, many of which are exported.

Established in 1972, we are noted for our quality and reliability, and operate from our purpose built factory where we have in house design and tool making facilities.

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GRP
Access Hatches
GRP, weatherproof, lockable with a layflat hinged lid. Stainless steel hinges, clips etc. Reinforced to accept 250kg distributed load.
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GRP
Cabinets
GRP Enclosure, weatherproof and lockable. All parts are corrosion resistant materials. External weather resistant polyester gel coat, with a cored glassfibre reinforced general purpose polyester resin laminated.
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GRP
Housings
Group Four Glassfibre insulated housings are specifically designed to provide an attractive and professionally finished weatherproof cover, for roof sited water storage tanks and housing pumps.
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GRP
Modular Enclosures
The Group Four Glassfibre Modular Enclosure system, provides excellent weatherproof covered protection for externally sited Tanks, Plant and Equipment.
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Why Choose Us

  • Bespoke product creation, tailored to your requirement
  • Produced to a high quality standard
  • Long established company over 40 years
  • Excellent customer service
  • Long established customer base

Our Customer Reviews

  • Firstly thank you for turning our order around so quickly. We’ve been really impressed with your service and the delivery couldn’t have gone more smoothly.

    The quality of the product is also fantastic so we will definitely recommend you in future.     Electrical engineering company

  • A large amusement manufacturer and supplier of high quality amusement equipment to the leisure industry throughout the world is very grateful to Group 4 Glassfibre as one of its suppliers for a number of years.

    The engineering expertise that your company has inputted over the years has proven to be invaluable on many occasions and provided us with solutions that have reduced installation costs and gained us repeat work.     Large Amusement Manufacturer

  • Thanks for your all your efforts on our sites. Your bespoke GRP fabrications have proven to be a cost-effective and practical solution to a vast array of engineering issues where the use of more conventional materials were either impractical or cost prohibitive.

    The engineering expertise that your company has inputted over the years has proven to be invaluable on many occasions and provided us with solutions that have reduced installation costs and gained us repeat work.     Industrial Engineering Company

  • Tank delivered and in position - thank you and your team for all your efforts. Industrial Pump Supplier

  • Having worked with GRP4 for many a year I can confidently say that they are a company that prides itself on quality and great customer service.

    Customer expectations are getting higher every year so it is comforting to know we can rely on GRP4 to consistently deliver a great product on time.

    Terry and the team take great pride in their work and whenever we ask for something that requires extra effort they are always willing to do what is necessary to assist us.

    A great company that we look forward to working with for many years to come.     Leading Tank Supplier

  • We have received great service over recent years from GRP4 Glass Fibre. Standard and bespoke roadside kiosk assemblies have been manufactured to a high standard to always meet our delivery programme. Once installed by our site teams, they provide the right practical solution for the needs of our client while also looking good in their individual locations. We look forward to continuing our association with GRP4 Glassfibre for the foreseeable future. Water and Process Engineering Company