JASPER, Ala. /ScoopCloud/ -- DAPA Products, manufacturer of upholstery and fenestration products, shares ideas on how to take upholstered furniture and furnishings to the next level with welt cords. DAPA Products innovated the industry with the launch of Foam Welt Cord and Foam Screen Spline, which reduced the incidents of carpal tunnel syndrome in workers who installed screen spline in windows and doors.