110
Description The Birtley CB140/70/100 is a standard duty steel cavity wall lintel that is hot dip galvanized after fabrication, ensuring durability and resistance to corrosion, and complies with EN845-2:2013 standards. Key Features: Hot Dip Galvanized : 65 micron zinc coating to EN1461:2009 for enhanced corrosion resistance. Optional U2K Galvanizing : 150 micron zinc thickness for extra protection. Material : Made from S275J0 grade steel, complying with EN10025-1:2004 . Fully Insulated Cavity : Ensures thermal efficiency. No Baseplate : Reduces thermal bridging for better energy efficiency.