Acoustic panels in videos Feltväri Fiber felted finish fabric. Tekboard felt products Made in partnership with Panolite Concept created by Couper Croiser - Texel's Cafeteria Project made with the Düotex Tahmea. Installation video - Texel's Cafeteria Project made with the Düotex Tahmea. Our felted iPad case is designed and made in Quebec by the creators of Kotmo. The Tahmea product is a Düotex panel laminated with an adhesive backing technology. Improving acoustic comfort of a youth center by optimizing the number of panels and their positioning to maximize acoustic comfort. Tekboard is a superior quality nonwoven felt composite made from cardboard with a honeycomb core combined with either Ünitex or Düotex.