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

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   Take my 1-Day Blower Door and Duct Testing Course and get certified: https://buildingperformanceworkshop.c...