Discovered that the attic access hatch isn’t insulated, which honestly isn’t surprising given when it was built. No ladder system. I’m working on cutting up some foam boards to glue to the backside. Hopefully it will reduce how much is radiated through this barrier.

Thermal image of attic access hatch measuring 90°F, a 10-20° difference from ambient temperature
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[–] [S] 4 points 1 year ago

We don’t have a truck so I bought narrow R-7.5 boards which happen to be a good fit width-wise by cutting them in half. They didn’t have enough of those, sadly, so I had to resort to a kit similar to this which has a lower R-value. I’m using some construction adhesive to get them to stick together. The foam may not fit tight against the 2x8” walls but it should significantly reduce thermal conductivity.

At the very least, I’ll be putting adhesive rubber sealing strips along the opening to block air.

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