Hey guys, it’s Pierre with Overview Property Inspection. I’m in a basement today where the owners decided to spray-foam a cantilevered floor assembly, but an important detail was missed. Typically, in these areas, you’ll find a vapour barrier installed at the ends with insulation stuffed behind it. When doing a retrofit with spray foam, that poly vapour barrier needs to be removed first. Why? Two big reasons: There’s often a gap at the top, which prevents a proper air seal. That gap allows cold air to come right back in, defeating the purpose. If the prep work isn’t done properly, you’re not improving efficiency; you’re just wasting money. At first glance, this install looks clean, almost like a wall assembly. But the details matter, and missing them can completely undermine the upgrade.
Takeaway: If you’re investing in making your home more energy efficient, make sure the work is done right. Do your homework when hiring contractors.
Right tools, Right training, The Right Choice.
Overview Property Inspection
https://www.overviewpropertyinspection.ca
780-716-0752
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