A herniated disk, sometimes (incorrectly) called a slipped disk, is a common cause of severe back pain and sciatica. A disk in the lumbar area becomes herniated when it ruptures or thins out, and degenerates to the point that the gel within the disk (the nucleus pulposus) pushes outward.
The ceiling fan's downrod must be long enough for the fan's blades to clear the ceiling. A fan with a 12-inch downrod works for a vaulted ceiling with a one-quarter-to one-third-inch pitch. An 18-inch downrod is sufficient for a pitch that is five-twelfths to one-half inch.
How much would it cost (range) to install a vent on my roof for bathroom fans? My labor times for this job show 1.5 to 4.2 hours but this was for the fan, venting, roof/gable cap and wiring.ow much would it cost (range) to install a vent on my roof for bathroom fans? My labor times for this job show 1.5 to 4.2 hours but this was for the fan, venting, roof/gable cap and wiring.