Getting cozy

After ordering my trailer, the thing I stressed about the most was insulation. I was trying to find a balance between a high R-value and overall environmental impact. I’ve seen many tiny housers use spray foam – with good reason!-but decided it wasn’t for me. It has the best R-value per inch, works as a vapor barrier and expands to fill in all the nooks and crannies. But that stuff can be really toxic. I really considered it and even had a local contractor provide a quote (which was going to cost an arm and a leg). But one day I was out for a walk and went past a house that was being renovated. They were using spray foam insulation and I could smell the fumes wafting down the street. I peeked at their truck and it had placards for all sorts of hazardous waste. Yuck. I’ve worked really hard to remove many toxins from my life (nail polish, perfume – ew) these past few years. I’m far from perfect but I just had a really hard time stomaching the idea that I was going to pay someone a boat load of money to coat my house in hazardous waste.

I ultimately chose to go with Roxul in the walls and rigid foam in the ceiling (for someone who hates styrofoam, I sure used a lot of it in the house! It you’re questioning the environmental impacts of styrofoam, see above where I say I’m far from perfect.). Taken from their website- “ROXUL insulation is a rock-based mineral fiber insulation comprised of Basalt rock and Recycled Slag. Basalt is a volcanic rock(abundant in the earth), and slag is a by-product of the steel and copper industry. The minerals are melted and spun into fibers.”

And this stuff was pretty darn easy to install. It comes in giant bags that I could hardly lift and had to balance on my head when walking across the lumber yard. I promise, it looked really cool. Each piece of Roxul is rigid enough to stand on it’s own in between studs. You can use a bread knife or a hand saw to cut it to size. You can break it into smaller pieces and shove it into the nooks and crannies. The only downside I experienced was the Roxul irritated my skin but nothing a good shower couldn’t fix. Since I’ve moved in, there’s been some really chilly nights, below zero kind of chilly, and I’ve stayed pretty warm in the house. Overall, I’m feeling pretty good about this choice.

2 thoughts on “Getting cozy

    • Honestly, I didn’t look into it very much. I didn’t know anyone who had experience using it that I could turn to for advice. Based on the limited research I had done, the r-value per inch was slightly lower than roxul and sheep’s wool it was more expensive. But it would have been nice to use a 100% natural product!

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