WRB, Flashing

Cold Climate Passive House Retrofit in Connecticut

A collection of five videos on a Passive House Retrofit in Sharon, CT (climate zone 5) executed by Ben Bogie, Built to Last, LLC.

This is by no means an exhaustive disection of the construction process, but it gives a good overview of what they did, why they did it, and exactly how it was done.

This building has since been certified as PHIUS+ from the Passive House Institute US.


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


If you use wall sheathing with a pre-applied weather barrier (such as Zip System) or if you paint on the weather barrier then you may be at a bit of a loss on how to seal holes through the walls made ‘by others’ during the course of construction.

Because there is no house wrap to overlap, you need to rely on well-adhered flashing tape. Fortunately, there are a lot of great tapes to choose from.


Rain Screen Siding Guide

Walls that can drain and dry last a lot longer than walls that stay wet. An air gap between the siding and sheathing lets both dry independently.

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

Reservoir Cladding: 7 Minutes of BS


Siding is supposed to shed water away from walls; so what's the deal with siding that absorbs water?


Moisture Management Design Rule 2: Manage Condensation

Condensation is when moisture in the air hits a cool enough surface to convert the vapor into water.

WRB and House Wrap Installation Guide

House wraps and weather barriers can play a critical role in a high performance wall assembly. In fact, the WRB is a BFD


Deck Flashing Code Requirements

The IRC covers materials, methods, and expected performance in two little sentences, Glenn sums them up in 10 minutes.

How To Install House Wrap #TheRightWay


Counting down the top 15 pages of 2016. This one is #2. Stop rot with house wrap

When Drip Edge Becomes A Double Agent


Counting down the top 15 pages of 2016. This one is #9. The mission of water is to turn houses to mush. Some drip edge flashings may actually help water accomplish this mission.

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.

How to Retrofit Drip Edge Roof Flashing on an Existing Roof


A look at types of drip edge flashing, how to cut it, and how to retrofit it to an existing roof.

Roof Flashing Guide

Edge metal, valley flashing, dormer, chimney, and kickout flashing shed water away from the connections between roofs, walls, chimneys, and other building assemblies