Birtley CB70 Cavity Wall Standard Duty Lintel 1800 mm Screw Plugs Loft door with integrated anti-draught

Loft door with integrated anti-draught seal

Use with all joist hangers

Water based white fire proof paint coating

Keylite slate flashing kits are quick and easy to install

Super flute SDS Masonry Drill Bits for general purpose applications

Birtley CB70 Cavity Wall Standard Duty Lintel 1800 mm Screw Plugs Loft door with integrated anti-draughtStandard 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