Previous Next Project details Workform collaborated with distribution partners Prooff and Tecno for UBM’s new headquarters set over 8 floors at 240 Blackfriars Road. Prooff Ear Chairs are situated on every level, facing the glass exterior overlooking the Thames to make the most of the stunning views. They provide quiet working areas and collaborative spaces for staff to help create a calm, productive environment. Credits Designer: Gensler Free Add to cartProduct added to wishlist. 001 EarChair Acousting Seating Sound-isolating armchair.