SSIS Expression Use Cases. Control Flow. Variable values can be derived from other variables using expressions. Precedence constraints can make use of expressions to validate a condition. SSIS Tasks and Containers can also make use of expressions to set a property at run time.
1 The labor cost to install a coffered ceiling is usually around $8 to $15 per square foot, while material prices may range from $5 to $19 per square foot, depending on the type of material you use. 2  To get an exact quote for your professional job, consider using free website quote engines such as HomeAdvisor.com.
Coffered Ceilings. A coffered ceiling is created with coffered panels or coffers. Coffers are sunken panels attached to a suspended grid to create a new ceiling with depth and architectural interest.Each lightweight coffered panel is 2â x 2â and available in either a deep or shallow style.nstallation. You can install an Armstrong coffered ceiling in a new or existing 2' x 2' suspended ceiling grid. Since no room is perfectly square, you'll also need to create a perimeter border, using either shallow coffered panels that you cut with scissors or drywall.