Common Myths About Closed-Cell Spray Foam
Closed-cell spray foam insulation is often praised for its high performance in residential and commercial buildings. But misinformation and outdated assumptions continue to shape how property owners view this material. Misunderstandings about its thermal performance, moisture resistance, application use, and safety can lead to poor insulation choices or unnecessary hesitations. Understanding the true benefits of closed-cell spray foam —such as its superior R-value, air sealing ability, and long-term durability—is essential for making well-informed decisions. This article addresses common myths about closed-cell spray foam insulation and compares them against verified facts, helping decision-makers choose wisely for their structures. Closed-Cell Spray Foam Is Not Too Rigid for Most Buildings Some believe that closed-cell spray foam is “too hard” or “too rigid” to be used in typical residential construction. This idea likely stems from its density, but in practice, rigidity contributes t...