The Polydrain 450mm circular plastic cover and frame is designed for use with underground inspection chamber systems, providing a durable and practical access cover for domestic driveway and light-duty applications. Manufactured from polypropylene, it offers a strong, lightweight, and corrosion-resistant solution for protecting chamber openings while maintaining access for inspection and maintenance.
Designed for internal fit into the R450 chamber riser, this cover and frame is quick and easy to install and is ideal for use in tarmac, grass, or gravel areas. It also features an enhanced slip-resistant tread pattern, includes four locking screws, and is supplied with four blanking plugs for a secure and practical installation.
Key Benefits
• Durable polypropylene construction
• 35kN loading capability
• Suitable for underground inspection chamber systems
• Internal fit into R450 chamber riser
• Enhanced slip-resistant tread pattern
• Complete with four locking screws
• Includes four blanking plugs
• Ideal for tarmac, grass, or gravel areas
Specifications
• Brand: Polydrain
• Product type: Circular plastic cover and frame
• Product code: RCF45035
• Overall size: 552mm diameter
• Clear opening: 445mm diameter
• Frame depth: 73mm
• Overall depth: 124mm
• Material: Polypropylene
• Colour: Black
• Weight: 5kg
• Load rating: 35kN
Applications
Suitable for use as an access cover on underground inspection chamber systems in domestic driveway and light-duty external areas. Ideal where a strong, lightweight, and corrosion-resistant chamber cover is required.