November 12, 2020
House wraps and weather barriers can play a critical role in a high-performance wall assembly. In fact, some people consider the WRB to be a BFD
WRB and House Wrap Installation Guide
House Wrap Installation
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Stop rot with house wrap
Repairing leaks on a multi-million dollar house during a rainstorm is not pleasant for anyone involved. But it happens.
It happens for a number of reasons, but mainly—Doug…
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The Tyvek weather-resistive barrier can be a water barrier and an air barrier, but it is NOT a vapor barrier
Welcome to ProTradeCraft’s Weatherization Nation. A show about building smart from the…
Window flashing
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Sealing the layers—and overlapping them right—is how high-performance building gets done
Windows are three-dimensional holes in walls that can be difficult to seal. Integrating a window into the…
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Flashing a window opening in a "thick" wall—deeper than 6 inches—is a critical step in preventing bulk water intrusion. You can do it using either stretchable or non-stretch flashing tape.
As…
Roof/Wall Flashing
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Ground zero for roof rot is often where roofs meet walls.
If you don’t direct water from the roof into a gutter, it can pour into the wall. Avoiding problems begins at the beginning—with a gap…
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An item on the Energy Star Thermal Bypass Checklist. Item 5.1.2, to be exact ...
Part of earning an Energy Star means doing the blocking and spackling required to stop heat from leaking…
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Rain should run off the roof and into the gutter.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. At the bottom of the roof, water needs to be directed…
Air Barrier Information
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Thermal shorts and good design don't mix
OFFICIAL TRANSCRIPT:
Stopping leaks in houses begins with stopping leaks on paper. The Pen Test* is a way to eliminate leaks on paper before…
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Think LAYERS
A tight air barrier is the best way to build an energy-efficient house. The best place for an air barrier? The rigid outer shell. With multiple layers of exterior coverings, you have a…
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The biggest crack in the house, revisited
We published an airtight sill detail animation a little while ago…
Rainscreen Info
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A woven mesh with integrated house wrap allows drainage and drying
The wall is framed with pressure treated plywood and flashed at the bottom. To ensure long-term durability of the wall, Will…
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Dry and durable walls come from keeping water out and giving it a way to get there
The WRB must protect walls in more than just the easy spots, like the middle of a solid wall. Door and window…
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