One-Piece GRP Tanks

The GRP One-Piece Cold Water Storage Tanks are WRAS-approved and designed for potable and non-potable water storage in commercial, industrial, and residential applications. Constructed from high-quality GRP materials, they feature fully encapsulated insulation and a sealed removable lid for maintenance. Tanks over 1,000 litres include an access manway for easy inspection. Suitable for fluid categories 1–5, they comply with BS EN 13280:2001 and are manufactured under ISO 9001:2000 quality standards. With various size options and custom configurations, these tanks provide a durable, weather-resistant, and efficient water storage solution.

Key Features:

  • WRAS-Approved GRP Construction – Ensures high durability and compliance with water safety regulations.
  • Fully Encapsulated PU Foam Insulation – Provides excellent thermal protection for stored water.
  • Sealed Removable Lid – Allows for easy access and maintenance.
    Access Manway for Large Tanks – Facilitates inspection for tanks over 1,000 litres.
  • Suitable for Fluid Categories 1–5 – Meets various water storage requirements, including backflow protection.
  • Weather-Resistant Polyester Gel Coat Finish – Ensures durability in outdoor installations.
  • Available in Standard and Custom Sizes – Options for restricted access and bespoke configurations.
  • Manufactured to BS EN 13280:2001 & ISO 9001:2000 Standards – Guarantees quality and reliability.

Product Applications:

Domestic

Commercial

Industrial

Hospitality

Specification

Technology: One-piece GRP cold water storage tanks
Capacity Range: 90 to 12,000 litres
Material: WRAS-approved GRP with encapsulated insulation
Insulation: CFC-free PU foam fully encapsulated within GRP
Lid Type: Sealed, removable lid for maintenance
Man-Way Access: Available on tanks over 1,000 litres (520 x 520mm)
Temperature Range: -15°C to +30°C
Regulatory Compliance: WRAS Approved, BS EN 13280:2001, ISO 9001:2000

Application Areas: Potable & non-potable water, process water, cooling applications
Backflow Protection: Suitable for fluid categories 1, 2, 3, & 4 (standard lid) and category 5 (with air gap)
External Coating: Polyester gel coat for outdoor weather resistance
Structural Support: Rolled hollow steel section, fully encapsulated
Installation Options: One-piece or two-piece for restricted access
Optional Features: Float valve housings, temperature sensors, drip trays, level gauges, steel support frames

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