Captrad – Manufacturing, Stocking and Delivering GRP Products


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GRP Riser Shaft Grating

GRP Riser Grating are an excellent choice for every contractor that has to work with service riser voids – the aperture left to accommodate mechanical and electrical services on various floor levels offer a major health and safety issue. With this in mind, GRP Riser Grating are the perfect choice due to the nature of the product. They can easily be fabricated to a cutting schedule prior to delivery. And with their ease of use cutting on site is easily processed via the installers with no need of Hot Works permits.

The use of GRP Grating offers excellent benefits when using them such as ease of installation times, the fact they weigh a fraction of metal grating two men can easily handle and fit the grp riser flooring panels without the need for any equipment other than hand tools. Using GRP Grating for riser shafts also eliminates maintenance costs as GRP has an excellent service life of 10 years plus. As our GRP Riser Grating are gritted they provide an anti-slip surface that has one of the highest degrees of slip resistance. The integral gritted anti-slip top surface provides long-lasting slip-resistant qualities. The material has excellent corrosion resistance, a factor that makes it a logical and cost-effective alternative to conventional steel materials.

Due to the moulded aspect of the grating, the installer is allowed numerous cut-outs for piping, valve access, and column penetrations can be made without the need for additional structural framing. Being of one-piece construction, the fibreglass grating performs as a plate, distributing loads throughout the fibreglass grating section and around cut-outs. Cutting access holes in the moulded fibreglass grating does not weaken the panel and does not generally require additional or costly supports.

Advantages of using GRP Grating for riser voids & service risers:

  • Non-slip
  • Non-sparking
  • Impact resistance
  • Lightweight
  • Non-conductive
  • Excellent corrosion resistance
  • Maintenance-free
  • UV resistant
  • Low installation costs
  • Easily fabricated on site

Design Service for Service Riser Grating

Captrad are able to assist and advise when it comes to GRP Riser Grating. We can advise on which product is most suitable for the project. We can also supply GRP Structural Supports that can be prefabricated or cut on site to add additional supports. This is an excellent benefit when voids need to be cut out on site. Load tables are attached in the PDF at the top of the page and we can offer structural load tables for our pultruded profiles as and when required.

Manufacturing, Stocking and Delivering GRP Products

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What Our Customers Say

Here at Captrad, we are very proud of the service we provide and stand by every GRP product we provide.

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