Not just damaging to the unfortunate individuals who get sick, germs in the workplace can also lead to a drain in productivity. According to the National Health Interview Survey, influenza alone is responsible for about 200 million days of reduced productivity and 75 million days of work absence annually.
A natural stone wall will cost around $8 to $12 per square foot based on the type of stone chosen. A concrete block wall costs $6.10 to $7.60 per linear foot.Homeowners will also need to pay for any other materials needed, including steel bars, sand to keep the stones from rubbing against each other and mortar.ost of Materials. The cost of adding a new wall to a home depends on the material used. Brick walls are often an affordable option, and a hollow brick wall costs around $25.40 per square foot.
I was quoted 30 per linear foot, 6 feet high, and that would be for the 8 inch thick, commercial style block, not that thin stuff the builders throw up. There is a big difference between the privacy walls the builders put up and a real block wall (like you're talking about).