Windows & Doors

Innie Window Installation, Exterior Foam Insulation Retrofit

A deep energy retrofit in Concord, MA illustrates everything you need to know to bring a house to energy überville
July 21, 2022
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This series of nine videos were shot in 2015 on the job with builder David Joyce of Lancaster, Mass.

It covers flashing and installing windows, adding two layers of foam insulation, sealing the gaps, prepping for rainscreen siding, deep-wall extension jambs, window trim-out, and some siding basics.

Jobsite Video Series

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Insulation & Air Sealing

Exterior Foam Insulation Retrofit: How To Install Polyiso Panels

The first layer of foam is mostly an insulation layer; the outer layer is the air barrier and drainage plane. This video is about the first layer.
March 29, 2018
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Siding & Exterior Trim

Fiber-Cement Panel Siding on a Rainscreen Wall

Large flat panels of fiber-cement make a modern-looking siding. Metal track keeps the lines clean
March 29, 2016
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Siding & Exterior Trim

Prepping Rainscreen Walls for Siding

Old walls are wavy. Old walls with a lot of foam on them are easy to make flat.
March 8, 2016
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Siding & Exterior Trim

Lap Siding Basics

Little details make a difference in how a siding job looks—and lasts. Sweat the details
March 15, 2016
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Siding & Exterior Trim

Window Trim-Out for Thick-Walls: Extension Jambs on the Outside

From extension jambs to mullions, begin with the biggest piece and work to the smallest
Feb. 29, 2016
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Insulation & Air Sealing

Exterior Foam Insulation Retrofit: How To Install Polyiso Panels, Part 2

The second layer of foam is the air barrier and drainage plane.
Oct. 1, 2015
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WRB & Flashing

How to Flash an Innie with Non-Stretch Tape (#TheHardWay)

The least expensive window flashing tape is also the most complicated to install. Unless you've done it a bajillion times
Aug. 4, 2015
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Windows & Doors

Installing European Windows

These triple-glazed vinyl windows use brackets to secure the window to the framing. A 'flashing flange' helps align the window
June 12, 2015

About the Author

David Joyce

—David Joyce has been doing exterior insulation retrofits longer than almost everyone in North America. He cut his teeth doing "deep energy retrofits" for Building Science Corporation more than twenty years ago, when the idea of exterior insulation was radical and new. Now it's in the code.

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