Combined GRP Sectional Enclosure

constructed from GRP

Combined GRP Sectional Enclosure 

GRP Hot Press Sectional Enclosures are a tidy, cost effective solution for water storage. Manufactured from GRP making it a durable lifelong enclosure which includes a practical working space for water tank ancillaries including water pumps & electrical equipment, these enclosures are suitable for both internal and external applications.

Nicholson Plastics water tanks are manufactured to European Standards and are WRAS approved. Certifications and documentation for each tank is available for download.

With over 50 years’ experience in water storage solutions don’t hesitate in giving us a call to discuss your water storage requirements. We have a specialised sales team ready to answer any queries you may have. Contact us today for a no obligation quote.

Enclosure Dimensions – End Of Tank

Length is variable as the tank section can increase depending upon capacity required. The housing would normally be 1m, 1.5m or 2m though there would be no maximum on the tank element as this would be dependent on the capacity.

The GRP tanks are available with an externally flanged base and an internally flanged base, internally flanged (IF) and totally internally flanged (TIF – SpaceSaver) tanks. We offer a full project management service from initial design to final installation. All our tanks and carry WRAS approval certification.

Combined Enclosure options

  • Externally flanged base
  • Internally flanged base

We offer a full project management service from initial design to final installation for our elements of work. We manufacture tanks to WRAS approval certification which are tested to the highest safety and quality standards.

Advantages of Plastic GRP Water Tanks

  • Very Compact
  • Professional enclosure
  • GRP material
  • Light weight, 1/10 weight of concrete & Steel
  • High Strength
  • Corrosion resistant
  • Ease of handling, installation and transportation.
  • Deliverable on pallets; negates the requirement for a hi-ab
  • Speedy assembly on site
  • Saving on cost and space,
  • Two products direct from one supplier
  • Low maintenance
  • Long life materials
  • Tank ancillaries available
  • Suited to individual or repeat projects


The combined enclosure tanks are a tidy, cost effective method of storing water and electrical equipment.

They are ideal for external storage which can save time modifying an existing building and save space compared to a separate enclosure and tank.

The product provides two solutions in one.

Site survey available Free of charge!

*Subject to location

Site survey available Free of charge!

With over 50 years manufacturing and supplying water storage tanks, we ensure that all our tanks meet all relevant manufacturing standards and legislation.

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One Piece Water Tank Manual