R/T Heavy Duty Expanded Upholstery Vinyl/Tan-1 Linear Yard (36"x54") by RT. $7.77. This vinyl is expanded and backed professional grade uphostery vinyl. Professional upholsterers use this type of vinyl for two reasons. It is a single way stretch which gives a smoother, tighter fit, and the backing permits tear proof seams. Also, punctures, after use, will not split or run.