panoramah! AH! INVISIBLE FRAME Tempered glass sliding window

AH! INVISIBLE FRAME is a tempered glass sliding window.‎ Invisible frame system further emphasizes the minimalism feature by concealing the frame below the finished floor, walls and ceiling.‎ It provides a threshold-free transition between inside and outside as the space between the narrow tracks is covered by the same material as the interior of the room.‎ Further info from manufacturer on AH! INVISIBLE FRAME panoramah!