Historic Building Renovation: How Deep Does a Retrofit Go, & When Do You Stop? (spray foam & HVAC)

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As requested, here's another look at an older building and how to retrofit it for better performance- in this case with spray foamed encapsulated attic and dedicated dehumidifiers. Like all of these types of stories, it's not all sunshine and flowers- there are some major problems built into original designs AND into past layers of renovation, and it's important to ask when to stop before you break the bank.
This vid is again dedicated to our AWESOME TRIBE of Patreon members, who are the biggest and best year-round conference on applied building science in the world (and you can join too): / homediagnosistv
See our playlist all about the Science of Renovations: • Renovation Science
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6 июн 2024

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Комментарии : 28

@pupperozucca4994 29 дней назад

WTF, most underrated YT channel ever. Everybody needs to watch this.

@HomePerformance 29 дней назад

Wow, high five man!!!

@trickstothetrades1801 Месяц назад

Wow it goes to show that even certified means nothing. I have many certifications and have learned more on RU-vid like ur videos as well as being self taught and observant. I talk to everybody and learn from others and experience, and am constantly learning. (Never hire a cocky know it all). I feel bad for homeowners that are uneducated

@seanpalmer8472 Месяц назад

Well that looks like a properly spray-foamed attic. Oh.

@DeuceDeuceBravo Месяц назад

This is what happens when sloppy, untrained, cheap contractors know that their customers will never inspect their work, or even know what they're looking at. When in doubt, hire a third party. Thanks for sharing!

@chriscermak3188 Месяц назад

Great video Corbett! Very interesting

@HomePerformance Месяц назад

Thx Chris

@accountability2000 28 дней назад

This channel is the best!

@HomePerformance 28 дней назад

THANK YOU

@shubinternet 29 дней назад

I do enjoy when you get to work together and it’s just the two of you, talking to each other about what you’re seeing and what you’re doing. And that you don’t always have all the answers. You’re wonderful hosts and a wonderful couple, and it’s nice that we get to see that more human side of you sometimes. Thank you for taking us on a little behind-the-scenes peek at some of your work!

@HomePerformance 29 дней назад

Thank you Brad!

@TimeTravelReads 29 дней назад

I'm not sure I fully understand the HVAC changes you made. All that stuff kind of scares me. But I think I understand why you plugged those holes.

@IanSeabrook 26 дней назад

Underrated comment!

@HomePerformance 26 дней назад

HVAC does seem a little complex at first, but it’s actually quite simple once you realize any equipment is just fans to move air, heat exchangers to add/remove heat, filters, and controls.

@frankgall6 Месяц назад

We get it Corbett! Thank you 🙏

@HomePerformance Месяц назад

Less lonely, thanks Frankie

@johnhaller5851 Месяц назад

I doubt there is any training on high performance homes in HVAC licensing. It would be good if there was some training available that counts for continuing education, but it appears to be concentrated on code requirements from the little bit of research I did. I'm not sure if there are code standards for conditioned attics, that might drive that training if that existed, maybe as an optional certification.

@CaryChisholm 27 дней назад

The pressure in the attic may have stayed about the same due to all the holes in the ceiling which opened the attic space to the leaky drop ceiling below.

@Mikecianfrocco Месяц назад

Keep the faith!!!! ✊🏻

@HomePerformance Месяц назад

Thanks Michael

@ryansoo4000 29 дней назад

Hi Corbett. A while back you did a video about how people should not put a closet on an exterior wall because mold can form on the cooler exterior walls' drywall. I would like to apply wood paneling to an exterior wall that already has drywall on it. Can I apply the paneling directly to the drywall or should I use furring strips between the paneling and drywall to create a small airspace? If so, should this airspace have small vents at the bottom and top of the wall for warm air movement behind the paneling? Thanks!

@StevenRussell-ki1bl 2 дня назад

Was the depressurizing from you opening up that vent a possible cause of no Pa change?

@HomePerformance 2 дня назад

No, we connected the interior to the attic even more with that step

@djheckler92 26 дней назад

Is it ok for the spray from to touch the flue?

@HomePerformance 26 дней назад

It’s double-walled, and technically only half of them wotk in this building anyway, but in general you need a combustion gap that’s filled with a different sealant like fire foam.

@djheckler92 25 дней назад

@@HomePerformance thanks!

@ecospider5 Месяц назад

You are right. Most people would not understand why you made the changes you made. I wonder what percentage of your viewers would understand the changes you made.