You are legally required to make all props, sets and scenery fully fire-resistant, which can be done using a spray guard.
Book an inspection with a fire officer before the festival starts.
You can do so by contacting:
The Fire Safety Office
Hove Fire Station
More information, forms, guidance notes, and an inclusive list of different types of venues requiring licensing are all available from Brighton and Hove City Council.
Brighton and Hove City Council