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Calculate the Angle of a Sloped Ceiling

Know the Angle of Your Ceiling Before Installing a New Ceiling Fan

 

A sloped ceiling makes a strong architectural statement in a home, but mounting a ceiling fan on an angled ceiling requires more than your standard fan installation tools. When buying a new ceiling fan, confirm the fan is compatible with sloped mounting. Many ceiling fans are designed to fit sloped ceilings with angles, also known as a pitch, up to 30 degrees. However, if your ceiling has a pitch greater than 30 degrees, you will need a sloped ceiling adapter for a proper and secure installation.

 

A standard sloped ceiling adapter allows the ceiling fan to be installed on ceilings with pitches ranging from 31 degrees to 45 degrees. The Fanimation Fan Company produces a sloped ceiling kit for a 1-inch downrod that allows a fan to mount on a ceiling with a pitch up to 52 degrees.

 

Select a sloped ceiling adapter in a similar finish to your ceiling fan. To ensure compatibility, choose a sloped ceiling adapter from the same manufacturer as your ceiling fan. See Del Mar Fans & Lighting's selection of ceiling fan mounting systems, including sloped ceiling adapters.

 

To determine if a sloped ceiling kit is necessary, gather the following materials and use the steps below to calculate the angle of the ceiling.

 


Materials

Tape Measure

Pencil

Paper

Step Ladder


Step 1: Measure the Rise

The rise is the height difference between two walls. To find the rise, follow the steps below:

 

Using the tape measure, measure the height of the ceiling, from the highest point of the ceiling to the floor. Record this first measurement.

 

Measure the Rise

Using the tape measure, measure the height of the wall, from the floor to the lowest point of the ceiling (the spot where the wall and the ceiling meet). Record this second measurement.

 

Measure the Rise Part 2

 

Subtract the wall height from the ceiling height to obtain the rise of the ceiling.

 

Step 2: Measure the Run

The run is the total length from the highest point to the lowest point on the ceiling. To find the run, follow the steps bellow:

 

From the same point where you measured the ceiling height, measure the horizontal distance from the floor to wall. This measurement is the run.

 

Measure the Run

Step 3: Find the Slope with a Rise Over Run Calculator

Rise Over Run Calculator

Enter the rise and run measurements into the boxes below to find the slope of your ceiling.

 

The "rise" or height difference between the walls:
The "run" or length of the room:
 

 

 

If your room has a vaulted ceiling, choose a long downrod that allows the ceiling fan to hang at least 8 feet above the floor and the fan blades to hang a minimum of 7 feet from the floor. It is best to select a downrod from the same manufacturer as your ceiling fan to ensure compatibility. See Del Mar Fans & Lighting's selection of downrods.

 

After calculating the slope of your ceiling and choosing an adapter kit, consider buying a Remote controlled ceiling fan. Remote ceiling fans are ideal for reversing your ceiling fan from a hand held transmitter. When you have high ceilings reversing your ceiling fan in hard-to-reach locations.

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