Introducing Sill to Sash, a video developed by The Siding and Window Dealers Association of Canada, The Window and Door Manufacturers Association and NRCan. The video has been produced to help the public make more educated decisions when buying replacement windows. This video deals with everything from choosing the right window product to having it installed professionally. You will learn about the different frame types, how windows are tested, what the test results mean and more importantly how to get a professional installation. The video is available either in standard VHS format or for PC users in CD ROM format.