Sizing Roof Cupolas

Our louvered cupolas provide ventilation when needed.

Sizing roof cupolas. How to size a cupola when sizing a cupola you must consider pitch width and height. Cupola for a 24ft garage fora 24 long building the recommended size of cupola would be 36 or greater. Pitch is determined by the number of inches your roof rises vertically for every 12 inches it extends horizontally. 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.

Size of our cupolas refers to the measurement across the bottom of the cupola s roof. In other words from the peak of your roof measure 12 inches out then measure down until you meet the slope of your roof. 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.

For 2 or 3 cupolas use 1 5 and for 4 or more cupolas use 1 75. You ll notice that all cupola sizes are rounded up to the next size. Cupola sizing our cupolas sizes are determined by base width. How to choose the right size cupola.

One diagram shows a 24 cupola which appears too small. 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. 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. Extended cupola bases can be added for steeper pitch roofs.

Most standard or small finials will fit all full size cupolas. Cupolas are usually sold in sizes with 2 4 or 6 increments. Our windowed cupolas can be used for. In this case of a 24 long building the recommended size of cupola would be 30 or greater.

A general sizing suggestion is a minimum of 1 25 of cupola for every foot of unbroken roof ridge line. For a 20 wide x 20 long garage with no roof overhangs 8 side walls and a 6 12 roof pitch. A 30 cupola is properly sized but a 36 model looks very good too. Please see the examples below.

Weathervanes finials can be used to complete any roof cupola. A minimum of 1 25 of cupola for every foot of unbroken roof ridge line.