Birtley CB70 Cavity Wall Standard Duty Lintel 2100 mm Underground Drainage Heat loss reduced due to

Heat loss reduced due to continuous seal around trap door

metals and other materials

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 Heat loss reduced due toStandard 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