It happens, whether they're leaking, painted shut, old, or inefficient, wood windows are not that difficult to replace. In this video, Matt Risinger provides a tutorial on window replacement, taking us through each step in the process. According to Risinger, in his 20 years of construction experience, he estimates that 90 percent of window leakage is due to install error. This video will help you avoid problems down the road.Window removal steps are shown, as Risinger gives suggestions as to how to preserve the trim for reuse, as well as which tool to use to effectively ensure that the window can just pop out undamaged. Dupont Flex Wrap is used to protect the sill as Risinger shows how to make sure that water goes to the outside rather than down through the walls where it can rot or mold. Risinger explains why, given building codes today and the goal of building a tight house, mold is more likely to happen if mistakes are made, than at any time in the past.Not only are we walked through the steps, tips are given as to what to pay attention to, and why including caulking and flashing. Whether you are doing your own windows yourself, or finding a good craftsman, ensure that replacing wood windows, although not complicated, be done right. Avoid those install errors with this video and the resulting leaking," mold or rotting that can occur.