Window Installation and Replacement Guide

Windows are big holes in walls that must be sealed against wind, water, and heat. This guide covers scope of work, how to install them, and why it matters.
June 25, 2026
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Dan Morrison
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A comprehensive collection of videos, animations are articles on how and why to replace windows as well as a little info on what to buy.

Size Up the Window replacement/Installation Job

The general idea of installing windows is to plug the big hole that you just cut in the wall.
Nov. 7, 2017
Recessed into thick layers of insulation, innie windows are protected from the weather
Nov. 7, 2016
Sealing the layers—and overlapping them right—is how high-performance building gets done
Sept. 8, 2016
A thermal break and solid backing puts the window on the outer face of a thick wall. Now, there's room on the inside window sill for cats and bowling trophies
Oct. 10, 2016
How to frame the conversation with customers to clarify which information is most relevant to their window choice.
Sept. 14, 2015
Sash and jamb liners may make sense if the existing window frame is level, square, and in very good shape.
July 20, 2015

Jobsite Know How on Window Installation

A deep energy retrofit in Concord, MA illustrates everything you need to know to bring a house to energy überville
July 5, 2016
Protradecraft traveled to the home of Building Science Corporation founders Betsy Pettit and Joseph Lstiburek, aka Dr. Joe, to film a replacement window replacement scenario not...
Oct. 10, 2024
Three videos covering the step by step process for flashing, installing, and airsealing an in-betweenie window in a Passive House Retrofit
July 4, 2016
The complete video collection on insulating, air sealing, and installing windows in a superinsulated sunroom addition in Wayland, MA
July 20, 2023
From extension jambs to mullions, begin with the biggest piece and work to the smallest
Feb. 29, 2016

Background RESEARCH on Window Replacement

Integrating a new drainage plane into an existing one is not as easy as it looks on a phone, but you've got to start somewhere, right?
June 5, 2015
Down to the studs: removing the old window, along with the interior- and exterior trim, to the rough framing
Dec. 18, 2023
Water and air leaks in a building shell are difficult enough to detail on simple buildings. Complex structures can cause headaches for builders, remodelers, and architects who...
Jan. 15, 2016

About the Author

Dan Morrison

Dan Morrison is a founding editor of ProTradeCraft.com, where he is also the editor-in-chief. Fun fact: Dan is also a founding editor of Green Building Advisor and executive editor of Fine Homebuilding.

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