300mm x 300mm Steel Manhole Cover 40mm Recessed Double Sealed

Description This 300mm x 300mm recessed steel manhole cover provides a compact, sealed access point for tiled or screeded floor areas. It features a 40mm internal tray depth for infill and is secured with a double-seal system to block water and odour ingress. Manufactured from galvanised mild steel and rated for light to medium-duty use, this cover ensures a discreet and durable flush finish in both internal and external environments. The unit offers a clear opening of 300mm x 300mm, with an overall frame size of 385mm x 385mm and a total depth of 58mm. This low-profile design is ideal for areas with limited build-up depth. It is designed to accept up to 12mm tile finishes, making it suitable for architectural and utility spaces alike. Locking screws and integrated neoprene/labyrinth seals provide added protection and security. Key Features Certified Load Rating: Light to medium duty when filled with C25 concrete Material: Hot-dip galvanised mild steel to BS EN ISO 1461 Design: 40mm recessed tray with double seal and locking screws Finish: Corrosion-resistant galvanised steel Compatibility: Accepts up to 12mm tile infill   Specifications Size: 300mm x 300mm clear opening; 385mm x 385mm overall frame Material: Mild steel Connection Type / Load Rating: Double sealed and locked; light/medium duty Standard: Galvanised to BS EN ISO 1461 Colour: Metallic silver Depth: 58mm overall frame depth   Applications Tiled or screeded floors in commercial buildings Plant rooms, risers, and service ducts External paved areas requiring sealed access Floor zones needing compact, odour-resistant covers   Why Choose Stanley John LTD Stanley John LTD is based in Newbury, Berkshire and serves Berkshire, Hampshire, Wiltshire, Oxfordshire, Surrey, Greater London and more. We supply professional-grade access solutions with a focus on quality, durability and compliance. Explore our Recessed 40mm Steel Double Sealed range or browse our full Steel Manhole Cover range. Order the 300mm x 300mm Steel Manhole Cover 40mm Recessed Double Sealed today for sealed, load-rated floor access. Order online now from Stanley John LTD.