Birtley CB70 Supergalv Cavity Wall Steel Lintel 1200 x 143 x 260mm

Birtley Cavity Wall Lintels 1200 x 143 x 260mm (L x H x W) Chrome is manufactured from mild steel, is very strong due to the low amount of carbon. It has a density of 248 pounds per cubic inch. This is used in construction because of its ductility and malleability. It is used with a cavity tray on external walls. The cavity wall reduces the weights on the foundation and gives better thermal insulation, whilst preventing moisture content to enter because of the hollow space between leaves. Conforms to EN10025.

• Manufactured from strutural grade steels: S275JR/S355JR to EN10025-2:2004
• Galvanized after fabrication to BS EN 1461:2009 for unrivalled corrosion resistance
• All external cavity wall lintels are insulated with expanded polystyrene to BS EN 13163 to reduce thermal bridging
• Plaster key to inner leaf
• Rainwater drip feature to outer leaf