US$ 50.00
Ductile iron
Heat loss reduced due to continuous seal around trap door
Most commonly used for roof applications
8 piece blade set
3 mm outer thread diameter
Birtley CB70 Cavity Wall Standard Duty Lintel 2100 mm Underground Drainage Ductile ironStandard 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
US$ 50.00
US$ 32.00
US$ 50.00
US$ 47.00
US$ 30.00
US$ 115.00
US$ 32.00
US$ 103.39