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.
1 Hiring a pro to apply a textured ceiling might cost as little as $.50 to $1.00 per square foot, and likely not more than $2.00 per square foot. 2  For a 15 foot x 15 foot room, that's a total estimated cost of $115 to $450.