Balloon Sizes for Arches

I'm doing an air filled arch for an entrance. What size balloon should I use? And do I inflate to its full size?

ANSWER

Hi there,

The most commonly used balloons size for walk-through arches is the 11" balloon. I would under inflate them slightly to avoid balloon popping and to make the cluster fit tightly against each other.

You could also experiment with using different sizes, e.g. 11" for the arch bases and 8" balloons for the middle part of the arch.

Good luck!

Margit