Roto North America introduces its new 9100-D sliding patio door handle with a contemporary design, a product line extension to the 9100 handle. It offers a stable handle lever to operate large, heavy sliding patio doors. The 9100-D’s contemporary design incorporates a thumb turn above the handle and has a matching exterior handle with a keyed option. It is available in an array of powder coated color options and satin nickel architectural finish. 2018 WinDoor Booth #1109