The first symptoms of whooping cough are similar to those of a common cold: 1  runny nose. 2  sneezing. 3  mild cough. 4  low-grade fever.
Most contractors include overhead in this estimate, as well as the cost of storing the materials, delivering to the site, paying the workers for the installation, and cleaning up the job. The cost of labor for drywall is typically broken down by square foot, and this number varies by location. As of the time of this article, in the Bay area, drywall labor can cost as much as $1.30 per square foot, especially when choosing a licensed and bonded contractor.
In addition to the cost of the sheetrock itself, you can expect to pay for ancillary materials such as tape, fasteners and top compound. The fasteners used are specialized drywall screws that usually go for $6 per pound with 300 screws in each pound.his comes to a total of $420, or rounded up, $500 on average for labor per hour. Depending on how much sheetrock you're having installed, it might be wise to see if you can be charged by the piece instead of by the hour.