Insulation Round Three Hundred and Fifty Seven

Yes, yes, it’s true. We are still insulating our attic. The good, we are o-fficially on our last round of insulation and after this is up, we’re onto DRYWALL. Drywall, people. That’s like prime time wham-a-bamma we’re almost donzo. The bad, well, ya know. 3-months later we are still insulating the attic.

As a reminder, this was our system for insulating the space.

How to Insulate Conditioned Attic

In the end, we landed up deviating just a bit from the plan above, mostly since the hubby had some big plans about creating a barrier between the drywall and the studs to make the heat transfer a bit less. So we decided to add another layer of foam to meet his grand plan vs. the foil wrap.

How to Install Foam Insulation

The final layer of insulation set us back $225 (15 boards of 1″ foam), so our total cost was just over $1,000 and we have the same effective R-value as the spray foam option, which was quoted at $3,400! Sweetness. Here is the cost breakdown:

  1. 800 sq. feet of foam board: $375
  2. 1,000 sq. feet of fiberglass bats: $400
  3. 3 cans of spray foam: $15
  4. 3 rolls of HVAC Tape: $30
  5. Extra Foam Board: $225

Since Jay is the engineer in the family and he seemed pretty confident about the path forward, I took a whatever floats yo boat approach to this DIY. I’ve been moderately persuaded by seeing a recognizable difference in temperature at the bottom of our steps where the attic meets up with the rest of the house, too. Here is what the side wall looked like pre-install.

How to Insulate Attic

The extra foam made the biggest difference on our end walls, where we just had room to add R-13 before. Although that’s technically code, we noticed that there seemed to be more airflow vs. the portions of the attic that had the foam installed for the baffle.

After adding the foam, we noticed a significant increase in temp in the room so that’s a good sign that the insulation is working!

Adding Foam Insulation

The great part about our second round of foam was that it was not nearly as time intensive or difficult as the first set. Since our original round of foam was put in to keep air flow out, we had to cut each piece to fit in the ceiling rafter exactly. That was a legit pain in the rear end.

This round was just a matter of adding some extra R-Value, so sealing and making sure each piece fit in like a puzzle, was just not on the radar. Slap it up, grab another piece and call it donzo. We just screwed in the foam directly onto the wall joists.

Foam Insulation Installation

The best part (other than noticing a significant bump in the heat retained in the room) was that we took down the partial side wall, which opened up the room so dang much. To date, I think removing this wall helped us really envision the space and see how open and large this room is going to feel. Here is how it looked before, completely closed off as a narrow and hard to navigate closet. Oh, and the PINK carpet. 😀

Master Suite Attic Conversion

And here is how it looks now. A whole lot messier, but I think it also looks a lot bigger!

Attic Conversion Master Suite

I was worried before that the built-in side of the room would feel too tight when you’re walking down along side it but taking down the wall made things look pretty darn spankin’ spacious. I’d gander to say there’s enough space to show off your chicken dance moves if the mood struck. 😀

Our final step will be to add some fiber glass insulation up into the top triangle above the pots lights. Since most of your heat escapes through your roof, we are trying to make sure the ceiling is as insulated as possible. We are hoping to get R-30 up above the ceiling (in addition to the R-23 we already have lining the walls) , which should keep everything nice and toasty.

Insulating Attic Ceiling

Probably the thing we are MOST excited about with the next stage of the process is that we are hiring this one out. We’re in the process of getting quotes right now, but it looks like we will have someone coming it to install all (or most) of the drywall. YIPPIIEE!!!

Even though in many ways, we’d be happy to do it, it will be nice to see something get done quickly, vs. having to scrunch in a few hours after work each day. Wham bam alacazam.

 

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