All Details


Details // WRB, Flashing, Insulation, Air Sealing

Flashing Pipes, Framing, and Exhaust Vents in Exterior Walls

  For walls with a pre-applied weather barrier, make sure the tape is compatible with the WRB coating—or use a primer  


Details // Framing

Advanced Framing for Framers

A collection of details that make sense for most framers to incorporate into their SOP—based on feedback from framers who do it a lot.

Details // Roofing, WRB, Flashing

Flashing a Wood-Framed Chimney w/a Copper Cricket Cap

Flashing a wood-framed chimney is like flashing a dormer, except there’s no roof behind it. Without protection, water can leak into the joint and rot your walls to direct uphill water away


Details // Roofing, Siding, Exterior Trim, WRB, Flashing

Kickout Flashing That Won't Leak

Counting down the top 15 pages of 2016. This one is #12. Ground zero for roof rot is often where roofs meet walls.


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  

Exterior Air Barrier-2.0.jpg

Details // Framing, Siding, Exterior Trim, WRB, Flashing, Insulation, Air Sealing

Airtight Walls—Housewrap and Sheathing as an Air Barrier

A tight air barrier is the best way to build an energy-efficient house. Outside the sheathing are many chances to make it better.


Details // Framing, HVAC, Mechanicals, Insulation, Air Sealing

Airtight Dropped Soffit for Ducts, Fans, or Can Lights

Keep mechanical equipment within the envelope to improve the quality of houses and homes


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 // Concrete, Masonry, Roofing, WRB, Flashing

Step Flashing 2 Brick: Its Complicated

Flashing must extend all the way from the wall to the outside. Oh yeah, and it has to be watertight and eight people have to work on it...  


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 // Roofing, WRB, Flashing

Dormer Flashing Details in 4D

Concentrate on the corners and think like water when overlapping the layers  


Details // Roofing, WRB, Flashing

How to Flash an Open Valley with W-Type Valley Metal

Roof valleys are like gutters with a steep pitch; but the stakes are higher for valleys than they are for gutters  


Details // Concrete, Masonry, Insulation, Air Sealing, Drywall, Tile, Flooring

How to Insulate Old Masonry Buildings Without Causing Water Problems

Letting the brick dry evenly is the key for old masonry walls that want to leak less energy


Details // Concrete, Masonry, WRB, Flashing, Insulation, Air Sealing

Warm and Dry Monolithic Slab with Brick Ledge

Adding brick to the outside of a house complicates insulating outside a slab. So Insulate inside.


Details // Roofing, WRB, Flashing

Two Ways to Flash Roof Edges

Protect the eave from ice dams and sideways rain


Details // Concrete, Masonry, Insulation, Air Sealing

Frost-Protected Monolithic Slab

An affordable insulated slab foundation suitable for climate zones 4, 5, and 6

Details // Concrete, Masonry, Insulation, Air Sealing

Monolithic Slab Edge Insulation for Warm and Hot Climates

An affordable insulated slab foundation suitable for climate zones 1, 2, and 3


Details // HVAC, Mechanicals, Insulation, Air Sealing, Kitchens, Baths

Sealing Holes in Bath Fan Ventilation Duct System (Energy Star 5.1.4)

A tight path to the outdoors keeps the indoors fresh and you can call it a day because you’re one step closer to the Energy Star.