Double bubble insulation is an effective way to ensure your home is properly insulated. It is also an important aspect of keeping energy costs down. The R-value of double bubble insulation is typically R-3.5 to R-4, depending on the thickness of the insulation. The ICC International Building Code allows you to add additional R-values with trapped air space between the reflective surface of the bubble and the outer wall. Each inch of dead air space is an additional R-5, and the ICC Code allows up to 12 inches, which can add up to an additional R-60.
When considering double bubble insulation for your home, it’s important to understand how the R-value works. The R-value is a measure of an insulation’s ability to resist heat flow. The higher the R-value, the more effective the insulation is. Double bubble insulation provides an effective R-value, making it an ideal choice for many homeowners.
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