Travis Jones on Instagram: "This is one of my favorite real-world examples. Two rafter bays, right next to each other. One is sealed tight. The other is leaking air like it’s trying to cool the whole neighborhood. 💨 Spray foam isn’t just about R-value. Done right, it’s your air barrier. Done sloppy, it’s expensive insulation that still lets heat, dust, and moisture pour into the house. On attics like this, a simple touch-up makes all the difference — and your comfort and HVAC system feel it imm