Insulation & Air Sealing

Frost-Protected Monolithic Slab

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

A Slick Transition from Foundation Insulation to Wall Sheathing

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Outside insulation is an effective way to keep heat in. The devil is in the details, such as this one

Exterior Insulation Guide: Cold Climate

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Everything* you need to know about adding insulation to the outside of old homes with cold bones

Energy Efficient Framing Guide

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A field-tested collection of videos, articles, and animated details on practical improvements to the framing process that strips out the less-valuable 'advice' often passed on by others.  

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 ...

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