Dan Morrison | November 03, 2016

Jobsite Handbook // Windows, Doors

Window Installation 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.

Window technology has come a long way in energy conservation, comfort, maintenance, and ease of use. Soon, photovoltaic windows will be a power source. Despite of the technological advances, installation is still the most important aspect.

Size Up the Job

Details // WRB, Flashing, Windows, Doors

Window and WRB: Integration Keeps Water Out of Walls

Sealing the layers—and overlapping them right—is how high performance building gets done

Details // WRB, Flashing, Windows, Doors, Insulation, Air Sealing

Outie Window Details for Walls with Thick Exterior Insulation

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  

Details // WRB, Flashing, Windows, Doors

Innie Window Details for Walls with Thick Exterior Insulation

Recessed into thick layers of insulation, innie windows are protected from the weather  

Jobsite Knowhow

Video // WRB, Flashing, Windows, Doors

3 Ways to Flash a Window Sill with Flashing Tape

How to install pan flashing and jamb flashing on a window opening in a wall that will be thickened with 4 inches of foam—using regular, non-stretch peel-and-stick flashing tape.

Video // Siding, Exterior Trim, WRB, Flashing, Insulation, Air Sealing

Innie Window Installation On an Exterior Foam Retrofit

A deep energy retrofit in Concord, MA illustrates everything you need to know to bring a house to energy überville

Video // WRB, Flashing, Windows, Doors, Insulation, Air Sealing

Outie Window Installation: Weave It Into The Exterior Foam

The complete video collection on insulating, air sealing, and installing windows in a superinsulated sunroom addition in Wayland, MA

Video // WRB, Flashing, Windows, Doors

In-Betweenies: Installing a Flangeless Window in the Middle of a Thick Wall

Three videos covering the step by step process for flashing, installing, and airsealing an in-betweenie window in a Passive House Retrofit

Video // Siding, Exterior Trim, Windows, Doors

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

Background RESEARCH

Photos // Windows, Doors

Window Replacement Options for Remodelers

How to frame the conversation with customers to clarify which information is most relevant to their window choice.   

Article // Paints, Glues, Sealants, Roofing, Siding, Exterior Trim, Insulation, Air Sealing

The Pen Test for Air-, Water- and Thermal-Tightness

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 don't pick up their pens and trace at the design stage.

Article // Windows, Doors

Window Retrofit—From the RO, Out

Down to the studs: removing the old window, along with the interior- and exterior-trim, to the rough framing 

Details // WRB, Flashing, Windows, Doors

Sill, Head, and Jamb Details for New Windows in Old Holes

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?


I've seen all your recent window installations videos, can someone do a window installation in an existing brick wall. I'm talking about a total window replacement with a window with a flange and a steel lintel above. Or can you recommend a video that explains the whole installation from start to finish.Thank you

Daniel Morrison's picture

I will add it to the list for animations, and keep my eyes out for a good video on the topic elsewhere.

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