Insulation & Air Sealing

Seal Holes from Pipes and Wires

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An item on the Energy Star Thermal Bypass Checklist. Item 5.1.2, to be exact ...

Airtight Dropped Soffit for Ducts, Fans, or Can Lights

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

Airseal the Rim Joist and Wall Framing Connection

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Glue the rim joist, caulk the gaps, and overhang the wall sheathing to tighten this leaky building assembly

 

Airsealing Leaks During a Remodel: Framing, Framing, Framing

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Doubling the square footage of a house while cutting the air leakage in half delivers extraordinary value

 

Raised Heel Roof Framing Options That Make Space For Insulation

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Whether using roof trusses or stick framing a roof frame, if you make space above the exterior walls, your energy performance will thank you.

 

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

Radiant Barriers: 7 Minutes of BS—Building Science w/a Beat

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Thin foil can block massive amounts of heat transfer, but it needs a massive temperature difference to be effective. So, insulation sort of makes radiant barriers irrelevant.

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