Friction Fit Exterior Continuous Insulation: Rockwool ComfortBoard 80

Quick preview of the ease of install for Rockwool ComfortBoard 80. See more on this build at: http://HomeDiagnosis.tv/atlanta-homestead

Water Purification and Plumbing Monitoring

Now that the house is dried in, hear Grace talk with Erik Bernal (https://www.elitewateroftexas.com) and Ann Reynolds (https://www.phyn.com) talk through the major components of the fresh water supply system. Learn more about this build at: https://HomeDiagnosis.tv/atlanta-homestead

Testing a Radon Mitigation System

Corbett teams up with Fantech's aerospace engineer and radon system expert Hamid Massali to prove the radon mitigation field works, and find out how much airflow the radon fan will need to exhaust to maintain safe air quality indoors.

More on this PFEDK system at: https://shop.fantech.net/en-US/pfedk--rn--diagnostic--tool--kit/p401891

More on radon's health impacts at: https://www.cancer.gov/about-cancer/causes-prevention/risk/substances/radon/radon-fact-sheet

Corbett and Grace are not joking around- they will diagnose the crap out of the forever home they're building. Here's another example of creative testing that can tell us secrets about predicting and preventing failures in the indoor physics, chemistry, and microbiology of homes. Check out the Cirrus smoke tool, and others demo'd here: https://www.trutechtools.com/Cirrus-CWI200-Wind-Indicator

More on this house and the TV show at: https://HomeDiagnosis.tv/atlanta-homestead

How a Trip to Europe Changed Our Work

This is not so much about building science specifics- more about 'Home Diagnosis' co-creator Corbett Lunsford's revelations while traveling through Venice and Bern. Read 35 year's worth of home performance articles at: http://HomeEnergy.org

Join the Building Performance Association at: http://Building-Performance.org

Watch the first-ever TV series about Building Performance at: https://HomeDiagnosis.tv

Roof Rain Screen Design and Installation

On his family's 3:12 pitch roof, Corbett Lunsford installs a ventilation gap before the 24 gauge standing seam galvanized roof goes up.

Learn more about the furring strips at: http://Cor-a-Vent.com

More about tapes and membranes at: http://FourSevenFive.com

More about this build at: https://HomeDiagnosis.tv/atlanta-homestead

Manual J Load Calculations: What, Why, How, When, and Who?

Now that Corbett has been doing HVAC load calcs for almost a decade, he's ready to make this very long (and also much too short) video tutorial about the what, why, how, when, and who of heat load calcs for sizing your HVAC equipment.

Home Ventilation for the 21st Century

There's a lot of mythology and misinformation about how to ventilate homes, and here Corbett shows, with the assistance of Phil Rivas from Fantech, how a perfect ventilation system gets built with 5 classes of HVI-certified equipment.

More on these products at: http://Fantech.net

More on HVI (Home Ventilating Institute): http://HVI.org

More on this build at: https://HomeDiagnosis.tv

HVAC Filter Secrets

Home Diagnosis co-host Corbett breaks down some secret foundations for how filters work and why you should be thinking about WAY more than the fiberglass screen in your furnace. Read Healthy Indoors Magazine at: http://HealthyIndoors.com
Watch Home Diagnosis at: http://HomeDiagnosis.tv

Exterior Insulation and Deck Details with Matt Risinger

Corbett's stuck on how to both structurally support the decks on his build and ALSO to allow for exterior insulation behind the ledger. He turns to Build Show expert builder Matt Risinger on how to support, dry, and insulate this connection point.

Specialized Contractor Clothing

Thanks to Atlas 46 for liking our work and sending us Concord pants and hats to outfit my entire crew (which is my parents)! Made in the USA, lots of places to put important stuff, and nice people too.

Home Builder Framing and Insulation Mistakes

Corbett has made a few mistakes on one wall of this high performance house- he points out how and why this staging mistake happens in home builds all the time, and an inconvenient but effective way to fix it and ensure the performance of the envelope.

Starting a Minority Scholarship

Grace and Corbett Lunsford (https://HomeDiagnosis.tv), along with Matt Risinger (http://youtube.com/mattrisinger) and Bryan Orr (http://youtube.com/hvacschool) are developing a scholarship program for training and mentoring minority professionals in the building industry. Know someone who could use a leg up on the competition by incorporating more high performance building techniques and tools?