How to Install and Flash a New

Learn how to install a new -construction window for a new home or home addition and how to seal the window against air and moisture. We'll also show you how to correctly install the sill flashing in the window rough opening and how to secure the weather-resistant barrier.

In this video, I show you how to install a window in new construction step by step, using a simple, DIY-friendly method that beginners can follow. From prepping the rough opening to flashing ...
How To Install a Window

Installing interior trim casing, flashing the window , and finishing with caulk and paint will help your window stay secure and durable. If you're looking for another project to add a flourish to your new windows , you can learn to install window shades.
Water leakage around windows & doors is a major problem in new homes. Follow these updated window flashing details leakproof installation.

How to Put In a Window
In addition to proper procedures, Eric shared a bunch of installation pro tips, hints, and tricks. In this story we demonstrate how to install a Marvin double hung window . Many of these steps are common among window manufacturers, but not all of them.
Builder Rob Moody, explains how to install and flash windows correctly using a pragmatic approach.

DIY Window Replacement
In this walkthrough, we break down the window flashing process, how to prep a rough opening, and the secret to using low-expansion window foam without bowing your frames.
Step-by-step instructions for how to open up a wall and install a pre-hung window . Includes preparing the opening in the exterior wall, flashing, mounting the window , and finishing the installation.

How to Replace a Window
Videos in the Series How to Replace a Window : Introduction Go step-by-step through the process of replacing your old wooden windows .







In this how-to video, This Old House general contractor Tom Silva shows a homeowner how to put in a new window .