Ardagh, Sideboard. 0 As part of a suite of boardroom furniture. Sideboard is finished in American black walnut with coated black glass for the inserts into the table top to match the table. A pull out AV rack is located in the sideboard unit. 21/05/2015 GlassAmerican Black WalnutArdaghBoardroom Cabinets.All Corporate Projects.Corporate Furniture Related Projects Broomfield, Dresser. Ebony, Drinks cabinet.. Ebony Griffon, Hall table and mirror.