Sizing Roof Cupolas

A minimum of 1 25 of cupola for every foot of unbroken roof ridge line.

Sizing roof cupolas.

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. The length or width of the weathervane should not exceed the widest part of the cupola. Most standard or small finials will fit all full size cupolas. How to size a cupola when sizing a cupola you must consider pitch width and height.

In other words from the peak of your roof measure 12 inches out then measure down until you meet the slope of your roof. Our windowed cupolas can be used for. For a 20 wide x 20 long garage with no roof overhangs 8 side walls and a 6 12 roof pitch. Extended cupola bases can be added for steeper pitch roofs.

Weathervanes finials can be used to complete any roof cupola. 13 ridge height 20 ridge length x 7 23 1 use a cupola with a 24 or larger base. How to choose the right size cupola. You ll notice that all cupola sizes are rounded up to the next size.

Cupola for a 24ft garage fora 24 long building the recommended size of cupola would be 36 or greater. For 2 or 3 cupolas use 1 5 and for 4 or more cupolas use 1 75. 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. Most full size weathervanes are compatible with all full size cupolas.

Our cupolas are manufactured in 2 3 sections for ease of handling and installation. A 30 cupola is properly sized but a 36 model looks very good too. Size of our cupolas refers to the measurement across the bottom of the cupola s roof. Cupola sizing our cupolas sizes are determined by base width.

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. 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. Pitch is determined by the number of inches your roof rises vertically for every 12 inches it extends horizontally.

In this case of a 24 long building the recommended size of cupola would be 30 or greater. Our louvered cupolas provide ventilation when needed.