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Replacement a Bathroom Fan

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Turn off the power. Before you begin, you will need to turn off the power to the fan from the circuit breaker box. Unplug the motor and disconnect the wiring. Put on a pair of gloves, safety goggles and a respirator and remove the grille covering from the old fan. You may be shocked at the amount of dirt and debris that fall out of it!


Unscrew or unplug the motor blower assembly from the housing unit, then open up the electrical splice unit and carefully pull out the wires. Remove the connectors and untwist the wires to disconnect them. It’s a good idea to double check that power to the wires is off before doing this. Loosen the cable clamp to free the electrical cable from the fan housing.


Go to the attic and remove the housing. In the attic, detach the duct pipe from both the housing unit and the vent cap connector duct. Pull the electrical cable and wiring free from the housing unit. Use a power drill to remove the screws securing the old fan’s brackets to the joists, then lift the old fan from the ceiling.


Install the new fan. Head back down to your bathroom and remove the new fan from its packaging. If it has the same measurements as your old fan, you will be able to install it immediately. But if the new fan is bigger than the old one, you will need to enlarge the hole in your ceiling. You can do this by tracing the outline of your new fan onto the ceiling, then cutting around the outline with a drywall saw.


If your new fan is smaller than the old one, you can caulk around the edges of the housing unit to fill in any gaps once the fan is installed. Go to the attic and lower the new fan into the preexisting or newly enlarged hole. Make sure the unit is properly oriented for all electrical and duct work connections. Slide out the extendable mounting brackets and secure them to the joists using your power drill and 1 inch (2.5 cm) drywall screws. You may need a helper to hold the fan in place from below as you do this.

How Cleaning the surface of the tiles?

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Clean the tile surface with a recommended cleaning product. Scrub with an abrasive rag, or rig a nylon bristle drill attachment. Pay extra attention to the bottom section, because that is usually the area with the most mildew. Rinse well. Rake the joints. Cover the drain. Carefully rake each joint with a diamond carbide rake.

Be careful not to slip, or it will leave irreparable scratch marks. The surface should be wet during this part of the process. If the grout is too solid to rake, hot water usually helps. Remove caulking with a plastic scraper. Avoid using metal scrapers and steel wool, because they will scratch the enamel on the tub.

Rinse the surface, and towel dry. Mix the grout thoroughly until it comes to a creamy consistency. Using a rubber float, apply the grout in several directions. Work in small sections so that the grout remains pliable. Make sure that the grout is packed in well. Allow twenty minutes to an hour for the grout to dry completely.

Sponge the surface. Sponge the surface of the tiles until the joints are neat, and the tile surface is clean. Soak and rinse the sponge repeatedly to avoid dragging, and over saturation. Allow twenty minutes to an hour to dry. Rubber gloves should be worn for this.

Dry dust the surface. When the surface is dry, it should look hazy. Polish the tiles with a fine rag, or an old t-shirt. Be careful not to apply pressure on the joints. If there are any stubborn spots on the tiles, they can easily be scraped off with a plastic scraper. Gloves and a dust mask should be worn for this.