Philip G Egg Harbor Twp , NJ August 08, 2014 We were attempting to install a range hood chimmney in 1 piece instead of the recommended 2 pieces because of asthetics We cut a hole in the sheetrock above the range hood in order to retro-fit the chimmney. This is the only way we could do this job. Read More... Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Screwdrivers