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Install a 400 Series Tilt-Wash Double-Hung Window


Five-part video series offers step-by-step instructions on how to install a 400 Series Tilt-Wash Double-Hung Insert Window.  Every installation is different.  Please refer to the product installation guide for complete installation details.

Part 1: Project Overview

In this introduction, you'll learn about your double-hung replacement window options and how Andersen insert windows allow you to preserve your existing window trim.

Part 2: Assessment

Assessing the condition of your existing window frame is the first critical step in the replacement window process. Learn what criteria your existing window frame must meet to qualify for an insert window replacement solution. Look out for rotting wood and other serious concerns outlined in this video.

Part 3: Measurement

You'll learn how to measure windows to determine the window opening and sill angle. Andersen offers insert windows in three sill angle options so you can choose the best fit.

Part 4: Removal

Learn how to remove your old window and apply insulation to old pulley pockets, if necessary.

Part 5: Installation

Learn how to install your new 400 Series Tilt-Wash Double-Hung Insert Window and perform all the finishing touches that will insulate and seal your new window.

Andersen Tilt-Wash Double-Hung Windows

400 Series Tilt-Wash Double-Hung Window


Andersen Full-Frame Window Replacement

Access Measurement Guides