Brett Martin 450mm Plastic Square Inspection Manhole Cover and Frame

The 450mm Plastic Square Inspection Manhole Cover and Frame (B6260) is a durable, lightweight access solution designed for use in domestic drainage and inspection chambers. Manufactured from high-strength polypropylene, it offers excellent resistance to weathering, corrosion, and impact, making it ideal for long-term outdoor installation.

The non-corrosive plastic construction ensures easy handling and a simple installation process, while the secure, close-fitting cover provides safe access to underlying drainage systems when maintenance or inspection is required. Its square design offers a clean, practical finish suitable for gardens, driveways, and paved areas with pedestrian loading.

• Robust Screw down fixings
• Manufactured from tough, weather-resistant polypropylene
• Secure lid in frame reduces risk of accidents, injury and removal
• Plastic has no scrap value therefore reduces the risk of theft
• Designed for pedestrian-duty applications
• Overall size 550mm x 550mm

*It is recommended that you bed the frame in concrete - 50kN = 5 tonnes force

• 450mm inspection chamber Assembly

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