The information in these DVD's will teach you how to replace your old metal or wood windows and sliding glass doors with energy efficient vinyl replacement windows, retrofit windows, and vinyl sliding doors so you can save a significant amount of money. These instructional videos are only for replacing existing windows, not for new construction projects. Vinyl Windows Made Easy DVD $24.95 Vinyl Sliding Doors Made Easy DVD $18.95 Vinyl Windows/Doors Combo DVD $34.95