WRB & Flashing

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

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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

A Window Install in a Thick ZIP Wall

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The general idea of installing windows is to plug the big hole that you just cut in the wall.

How to Flash a Masonry Chimney Into a Metal Roof

A silent movie about flashing metal roofing into a brick chimney from UnionCorrugating.

Step Flashing 2 Brick: Its Complicated

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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...

 

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.

Framing Tips for Walls with Thick ZIPs

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Exterior insulation can create transition problems. Here are a few solutions

Vapor Permeance: 7 Minutes of BS—Building Science w/a Beat

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Vapor barriers cause a lot more harm than good in many parts of North America. Understanding vapor barriers begins with knowing what it means to be one

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

Flashing Pipes, Framing, and Exhaust Vents in Exterior Walls

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

 

Reservoir Cladding and Mass Walls: 7 Minutes of BS

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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.