![]() If you have any comments or corrections on this article, please email us and we can publish your comments.Insulation options come in all shapes and sizes, but Rockwool insulation is often near the top of every “best of” list out there. SBC Magazine appreciates your input, and continually seeks to improve the value it provides to the market. The same walls, air sealed and then insulated with fiberglass or mineral fiber, would test and sound as good or better than the spray foam walls, and likely at a lower cost. ![]() Just as is seen in thermal performance, quality installation and air-sealing eliminates many of the perceived differences between insulations. The results show what we would expect: thicker, 2-by-6 framed walls perform better than 2-by-4, and absorptive insulations perform better than rigid, closed insulation.
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