Overview Pre-engineered light coves for predictable lighting performance and perfect integration in a variety of options, sizes, and profiles. Click below to learn more about cove lighting options. AXIOM Direct Light Coves Offer ultra-low plenum clearance, predictable lighting performance, and perfect integration with all Armstrong suspension systems. AXIOM Indirect Field Light Coves Pre-engineered extruded aluminum cove that is integrated with a vertical drywall upturn to achieve predictable light performance and perfect integration with Armstrong suspension systems. AXIOM Indirect Light Coves Offer a variety of options from both ceiling-to-wall and ceiling-to-ceiling light coves in a wide range of sizes and profiles. AXIOM Indirect Light Ledge Axiom Indirect Light Ledge offers predictable lighting performance with options for both ceiling-to-ceiling and ceiling-to-wall light coves.