The ADW- BiFold System has been re-designed and still offers the only tubular hinged construction that eliminates pinch points.  Recommended for no wind-load interior applications the BFW uses the OB2000 operating system and is now available for export (power ready).

Click on the image at right to download a .DXF file showing the head, jamb and sill details.  You will have to "unzip" the drawing before you can use it.