top of page
Writer's pictureKaty Bolan

My Spray Foam Regret: Why I Now Recommend Rockwool Insulation

Updated: 3 hours ago



When I decided to insulate my attic, I opted for spray foam. It seemed like the obvious choice – effective, airtight, and widely recommended. However, I soon discovered that spray foam carries significant drawbacks that are often overlooked. This experience led me to a far superior alternative: Rockwool insulation.


Here's why I regret my initial decision to use spray foam:


  • Environmental Impact: Spray foam is typically derived from petroleum-based products, contributing to fossil fuel dependency. Its manufacturing process releases harmful pollutants, and the material itself persists indefinitely in the environment.

  • Indoor Air Quality Concerns: Spray foam can emit volatile organic compounds (VOCs), which can negatively impact indoor air quality and potentially lead to health issues.

  • Difficult Removal and Modification: Should you need to access wiring or plumbing within your walls, removing spray foam is a complex and costly process.


The Rockwool Advantage

Discovering Rockwool was a turning point. Made from natural volcanic rock and recycled industrial slag, it offers a compelling combination of sustainability and performance:


  • Eco-Friendly Choice: Rockwool is a natural and abundant material with a significantly lower environmental footprint than spray foam. It's also free of harmful chemicals and VOCs, promoting healthier indoor air quality.

  • Exceptional Performance: Rockwool provides outstanding thermal and acoustic insulation, exceeding the performance of many traditional insulation materials. It's also naturally fire-resistant, adding an extra layer of safety to your home.

  • Moisture Management: Unlike spray foam, which can trap moisture and create conditions for mold growth, Rockwool is vapor-permeable. This allows moisture to escape, contributing to a drier and healthier indoor environment.

Making Informed Choices

My experience with spray foam underscores the importance of thoroughly researching insulation options. While spray foam may seem like a quick fix, it carries hidden costs. Rockwool, on the other hand, offers a sustainable, high-performing, and healthier alternative. If you're considering an insulation project, I strongly encourage you to explore the benefits of Rockwool.


And in case you are wondering, this is not a paid advertisement. I'm just paying forward what I learned the hard way so that you can save time and money on your renovation.

40 views

Subscribe to Sustainability Insights

on Interior Design Blog

We respect your privacy and we will never share your email with anyone, ever.

© 2024 Katy Bolan LLC

  • Instagram
bottom of page