Hello!

We moved into a villa this autumn. The house was built in 2016, and in 2020 a garage was added that connects to the house at the gable. The garage has insulated walls, and we have insulated the inner ceiling. Now we're going to install an air-to-air heat pump.

The previous owners didn't quite finish the garage. Here is how it looks where the garage is attached to the house. The inspector noted that heat will escape through this gap.

What do you think we should do here?
Do we need to remove the panel on the house part and tape the condensation protection to it? Or can we work from the outside of the outer panel? Like putting insulation in the gap, a beam, and then taping the plastic to the beam.
Are there any drawbacks to keeping the panel on the house wall?

Best regards, Sara, Umeå
 
  • Gap between garage ceiling and house wall showing unfinished insulation area with plywood and exposed plastic sheeting.
  • Gap between garage OSB ceiling and house wall, above a white door, showing unfinished construction and potential heat loss issue.
  • Gap between garage and house with exposed insulation and plastic sheeting. The issue of potential heat loss is highlighted by an unfinished area.
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