Encore is a brushed polyester fabric manufactured by Milliken and Co. This material is available in two weights, 15oz and 22oz. The 15oz is Durably Flame Resistant and is 62” wide. The 22oz is Inherently Flame Retardant and is 64” wide. Both fabrics can be used for stage curtains. We suggest the 22oz for Main curtains and 15oz for masking curtains.