Sizing Roof Cupolas

The length or width of the weathervane should not exceed the widest part of the cupola.

Sizing roof cupolas. In other words from the peak of your roof measure 12 inches out then measure down until you meet the slope of your roof. When you have a cupola over 42 at the base you should be sure to choose a large enough weathervane or finial to not get lost in the size of the cupola. A general sizing suggestion is a minimum of 1 25 of cupola for every foot of unbroken roof ridge line. Cupola sizing our cupolas sizes are determined by base width.

Home page cupolas seafaring weathervanes special interest weathervanes americana weathervanes barnyard weathervanes wildlife weathervanes cottage size weathervanes arrows banners roof caps and finials installation instructions mounts stands our customers cupola photos outdoor accents annapolis weathervanes and its owners are not responsible for any damage. For 2 or 3 cupolas use 1 5 and for 4 or more cupolas use 1 75. A minimum of 1 25 of cupola for every foot of unbroken roof ridge line. A good rule of thumb for selecting the right size cupola is to use 1 0 1 25 of cupola for every foot of unbroken roofline the key is the unbroken roofline measurement.

Extended cupola bases can be added for steeper pitch roofs. Pitch is determined by the number of inches your roof rises vertically for every 12 inches it extends horizontally. One diagram shows a 24 cupola which appears too small. If you are considering 2 cupolas a good rule of thumb is to use 1 of cupola for every foot of unbroken roofline measurement.

How to choose the right size cupola. How to size a cupola when sizing a cupola you must consider pitch width and height. Please see the examples below. Our louvered cupolas provide ventilation when needed.

13 ridge height 20 ridge length x 7 23 1 use a cupola with a 24 or larger base. A 30 cupola is properly sized but a 36 model looks very good too. Our cupolas are manufactured in 2 3 sections for ease of handling and installation. Size of our cupolas refers to the measurement across the bottom of the cupola s roof.

Most full size weathervanes are compatible with all full size cupolas. Our windowed cupolas can be used for. Cupolas are usually sold in sizes with 2 4 or 6 increments. For a 20 wide x 20 long garage with no roof overhangs 8 side walls and a 6 12 roof pitch.

You ll notice that all cupola sizes are rounded up to the next size. In this case of a 24 long building the recommended size of cupola would be 30 or greater.