Understand what R-Values mean and how they relate to different types of spray foam. It is important to meet the R-Value requirements when building your spray foam system.

Jan 14, 2022 · This article will break down the R-value of the two types of spray foam insulation, and their differences to help you decide if spray foam insulation is the right choice for your home.

Nov 30, 2025 · Learn how spray foam insulation R-value works and how to choose the right level for better efficiency, comfort, and long-term energy savings.

Oct 30, 2025 · How Much R-Value Do You Need? The required R-value depends mainly on your U.S. climate zone and which part of the home you’re insulating. Colder regions (Zones 5–8) require higher …

R-value measures a material’s resistance to heat transfer. Higher R-values mean that the material is more resistant to heat passing through it, making the material a better insulator. R-values are often …

Dec 24, 2025 · Learn how spray foam insulation R-value, thickness, and fire ratings work together to protect your home. Complete guide with charts, calculations, and expert recommendations.

Mar 28, 2025 · The R-value of spray foam insulation measures its thermal resistance—how well it resists heat flow. Closed-cell spray foam has an R-value of about R-6 to R-7 per inch, making it one of the …