The Clark Drain square plastic cover and frame is designed for use with 320mm chamber systems, providing a durable and practical access cover for domestic driveway and light-duty applications. Manufactured from corrosion-proof polypropylene, it offers a lightweight and hard-wearing solution for protecting chamber openings while maintaining access for inspection and maintenance.
Featuring a square-to-round design, this cover and frame is a practical fit for compatible chamber risers and can also be rotated to suit the direction of paving for a neater finished installation. Supplied with 4 locking screws, it provides a secure fit and is ideal for use in tarmac, grass, or gravel areas.
Key Benefits
• Durable polypropylene construction
• 35kN load rating for domestic driveway use
• Suitable for 320mm chamber systems
• Square-to-round design
• Supplied with 4 locking screws
• Can be rotated to suit paving direction
• Ideal for tarmac, grass, or gravel areas
• Lightweight and corrosion-proof
Specifications
• Brand: Clark Drain
• Product type: Square plastic cover and frame
• Suitable for: 220–300 dia chamber risers
• Overall size: 438 x 438mm
• Frame depth: 37mm
• Overall depth: 97mm
• Material: Polypropylene Grade AP9
• Load rating: 35kN
• Application: Domestic driveway and light-duty access cover
Applications
Suitable for use as an access cover on compatible chamber systems in domestic driveway settings and landscaped areas. Ideal where a lightweight, durable, and corrosion-resistant chamber cover is required for inspection and maintenance access.