However even when it isn t the job is still quite doable.
Mount a ceiling fan with no box.
If not replace it with a fan rated junction box and a fan brace between the ceiling joist to help support the fan s weight.
Insert the fan brace through the hole in the drywall and onto the ceiling.
There should be an inscription on the ceiling fan box to indicate this.
For pricing and availability.
Here we ll show how to replace an old light fixture with a new ceiling fan and light in a room with no attic above.
The box is usually metal.
Make sure it s acceptable for ceiling fan installation and will support the weight of the fan.
Ceiling fan boxes must include bracing that attaches to the ceiling joists to support the greater weight and vibration that comes with a ceiling fan installation.
The box must be securely attached to the building structure to support the ceiling fan.
Raco 1 gang gray metal interior new work old work standard ceiling fan ceiling electrical box.
Boxes brackets 5in round electrical box 12 x12 x6 box.
Madison electric products fan and fixture 1 gang gray polycarbonate new work old work standard ceiling fan ceiling electrical box.
1 gang box ceiling fan mounting box recessed boxes brackets 3 4 in.
Keep in mind what makes a ceiling fan electrical box different from a traditional light fixture box is the bracing.
If you have doubts about the suitability of the existing box purchase and install a new one.
Now it s time to mount the junction box.
How doers get more done.