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3398 Washington Road
Atlanta, GA 30344
USA

773.398.5288

Advanced residential construction and home improvement consulting and owner's advocacy in Atlanta, using the latest building performance diagnostic and modeling techniques and tools. Airtightness, insulation, HVAC, ventilation, moisture, and air quality and EMF consulting for homeowners and building professionals alike.

Videos/Podcasts/Articles

Home performance articles and stories from the field with internationally respected building forensics guru Corbett Lunsford at the Building Performance Workshop. Hear new episodes of the Building Performance Podcast, see new videos from the Home Performance YouTube channel, and learn all about how diagnostic testing (more than an 'Energy Audit') can make home improvement and new home construction a proven process!

Filtering by Tag: 475

Roof Rain Screen Design and Installation

Corbett Lunsford

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

How to Build Bolt-On Roof Eaves Separately from the Enclosure

Corbett Lunsford

Corbett Lunsford demonstrates how to add 2-ft. eaves to a high performance home enclosure using 475 Building Supply tapes and membranes and ForceField WRB. Check out the sealing products used at: http://FourSevenFive.com

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

Become a member and help make the TV show: https://Patreon.com/HomeDiagnosisTV

Hurricane Stress Test for Homes

Corbett Lunsford

'HOME DIAGNOSIS' hosts Grace and Corbett Lunsford are first-time home builders, but they're willing to push the limits where other builders would run away screaming. Check this out, it's pretty wild- never been seen before onscreen, and soon to be seen on TV in Season 2!

Become a member and help this show get made: https://Patreon.com/HomeDiagnosisTV

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

100-Year Roof: Mento 3000

Corbett Lunsford

See 475's high performance Pro Clima roof membrane get installed on this 3:12 pitched roof, before the rain screen , exterior insulation, and eaves get put on. More on this project at: https://HomeDiagnosis.tv/atlanta-homestead

Get samples of these awesome building materials at: http://FourSevenFive.com

Retrofitting for Performance: Crawlspace Encapsulation

Corbett Lunsford

Using 475 High Performance Building Supply materials, Corbett and his dad are encapsulating the vented crawlspace of a one-story ranch home in Atlanta. See what a difference the improvements make to the test data from the Ultra-Aire Sentry system and the blower door.

Tuning the Enclosure of our Atlanta Home Build

Corbett Lunsford

Corbett digs into the weather barriers, structures, airsealing and insulation layers of the high performance house in Atlanta, which will be featured in season 2 of the Home Diagnosis TV series.

*CORRECTION: Pango Wrap is 15-mil thick, not 20, but is still a 0.01-perm vapor barrier.

Learn more about these high performance materials:

PANGO WRAP

FORM-A-DRAIN AND PLATON

FORCEFIELD SHEATHING

475 BUILDING SUPPLY AIRSEALING MATERIALS

ROCKWOOL INSULATION (AKA ROXUL)

Finishing the #DryVault: Highest Performance Tool Shed in the World

Corbett Lunsford

See Corbett put the finishing touches on the airsealing and insulation of the #DryVault's enclosure in Atlanta. All that's left is to test the airtightness and insulation perfection with blower doors, infrared cameras, lasers and spaceships. For more on the Intello material and process, visit http://foursevenfive.com

Highest Performance Tool Shed in the World!

Corbett Lunsford

Welcome to the #DryVault, a super airtight, insulated, and dehumidified tool shed for the Building Performance Workshop's diagnostic tools in Atlanta, GA. Corbett will be helping homeowners make higher performance decisions on home improvement and new construction in Atlanta from this home base, and we can't wait to show off the framing and airsealing systems used here! For more on the airsealing products used, check out 475 High Performance Building Supply.

Airsealing Membranes and Tape for the #TinyLab

Corbett Lunsford

Home performance guru Corbett Lunsford explains 475 Building Supply's Intello air barrier with vapor variable control. See how you can ensure control over drafts, condensation, and air quality problems. Feel the difference yourself on the Proof Is Possible Tour!