US$ 144.95
18:1 push ratio
for use in paths
Holes = 4mm
saving energy costs and reducing the risk of burning
Birtley CB50 Cavity Wall Standard Duty Lintel 0900 mm Weep Vents 18:1 push ratioStandard duty cavity wall lintel manufactured from structural grade steel Cavity: 50 mm 65 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: 15 kN
US$ 144.95
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