Birtley CB70 Cavity Wall Standard Duty Lintel 2100 mm Underground Drainage Designed to convert vents into

Designed to convert vents into service terminals

paint and mortar splashes during building and refurbishment work whilst the door remains fully operational

Multi-use wipes effective on hands

5 Inlet 315 mm Diameter Shallow Access Chamber Base 190 mm Invert (Inc 2 Socket Plugs)

3 mm outer thread diameter

Birtley CB70 Cavity Wall Standard Duty Lintel 2100 mm Underground Drainage Designed to convert vents intoStandard duty cavity wall lintel manufactured from structural grade steel Cavity: 70 mm 85 mm Outer Leaf: 100 mm Inner Leaf: 100 mm 60 minute fire rating with 2 coat plaster finish Lack of baseplate and factory fitted expanded polystyrene insulation reduces thermal bridging Not suitable for point loads or concrete floors Loading SWL UDL Value: 20 kN