this post was submitted on 02 Aug 2025
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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.

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[–] shalafi@lemmy.world 7 points 4 days ago (3 children)

Bro, if your attic is so damned hot that the hatch looks like that, yikes. Since you own the place, I'd say it's well worth whatever they charge to coat the underside of the roof with foam.

Our Habitat for Humanity house has zero insulation on the attic floor, except for a little dust. :) It's typically about 10°F hotter than the house below. Also, we can run around up there and store junk.

You reminded me! I was going to rig a fan up there and I have two solar cells doing nothing!

[–] invertedspear@lemmy.zip 3 points 3 days ago (1 children)

Recognize there’s a possible logical fail there. The reason it’s only 10F warmer is due to the lack of insulation. You’re losing a ton of thermal control in the livable areas of your home and probably could seriously cut your heating and cooling by asking that insulation.

[–] shalafi@lemmy.world 1 points 3 days ago (1 children)

This house was built by Habitat for Humanity. The whole goal is to put people in a mortgage they can afford. Given that, the insulation, windows, doors, etc., are top notch for insualtion. One of the guys told me the structure is above grade by 2 and sometimes 3 notches, and this on the Hurricane Coast. Doorknobs and faucets, LOL, not so much.

Commented the other day that the AC only runs non-stop when both conditions are met; over 95F and left it off for the afternoon. Kinda nuts how little power this house uses, but it is small.

[–] Reverendender@sh.itjust.works 1 points 1 day ago (1 children)

Did you have to come up with a downpayment?

[–] shalafi@lemmy.world 2 points 1 day ago (1 children)

$700 bucks. If you want a house, make the phone call. It costs you nothing to learn about the program.

I just bought a house, but I wish I had known

[–] AlDente@sh.itjust.works 3 points 4 days ago

These thermal imaging cameras don't have specific temperature for each color. The hottest area in view will always be at the extreme white/yellow end of the graduent, and the coldest will be at the black/purple end. Even with more insulation in the attic, the hatch will likely still be this color. That is, unless the hatch was more insulated than the ceiling, or it was colder in the attic than the room this photo was taken from.

[–] kamikazerusher@lemmy.world 4 points 4 days ago (1 children)

Seems here in the northeastern states it’s normal to do blow-in insulation as cold is more problematic than heat. Using spray-foam insulation would result in wasted heat by radiating through the ceiling into the attic where nobody is at during the winter.

I’ve finished assembling a stacked block of insulating foam and adhering it to the back of the hatch door. We’ll see tomorrow how it measures with the thermal camera, but forecast shows we probably won’t exceed 80° which will make it difficult to see how effective it is.

[–] shalafi@lemmy.world 1 points 4 days ago

LOL, guess I been in Florida too long, hadn't considered cold. Ex-wife and I went two winters without heat, only space heaters. Not that it doesn't get cold! We hit 14F last year and 19F is usually our lowest.