Build Your Cupola
Start with the building, then choose size, tier, and accessories.
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Sizing help
Cupola Size Guide.
Start with one inch of cupola base for every foot of building width. Then adjust for roof pitch, viewing distance, and how strong you want the finished roofline to look.
Size Calculator
Recommended base: 36" width for an approximately 36-foot building.
Use This Size in QuoteThe 1" rule
A 36-foot building generally starts with a 36-inch cupola.
Size up for distance
Buildings viewed from the road may need a stronger silhouette.
Ask if unsure
Photos and basic dimensions can guide the recommendation.
Common size ranges.
24–30"
Sheds and compact garages.
36–42"
Garages, workshops, and medium barns.
48–60"
Large barns, barndominiums, and horse barns.
72"+
Grand rooflines and statement projects.