Home R-Value

The "R-value" is a measure of thermal resistance used in the construction and building industry to quantify how effectively a material insulates against heat transfer. Essentially, it indicates how well a material resists the flow of heat through it. The higher the R-value, the better the insulation.

R-value is typically provided per unit thickness of the material. For example, a material with an R-value of 3 per inch means that each inch of thickness provides 3 units of thermal resistance.

When selecting insulation for a building, higher R-values are generally preferred, especially in regions with extreme temperatures, as they can help reduce heating and cooling costs by minimizing heat transfer through walls, ceilings, and floors.

The "R" in R-value stands for "resistance." The R-value measures the resistance of a material to heat flow. So, a higher R-value indicates greater resistance to heat flow, meaning the material provides better insulation.

The minimum recommended R-value for insulation in homes can vary depending on factors such as climate, local building codes, and energy efficiency standards. In Colorado, where temperatures can fluctuate greatly between seasons and regions, higher insulation levels are often recommended to ensure energy efficiency and comfort.

For example, the U.S. Department of Energy (DOE) recommends R-values for insulation based on climate zones. Colorado falls into Climate Zones 4 and 5, with Zone 5 being predominant. In these zones, the DOE recommends different R-values for various parts of the home, such as:

Attic: R-49 to R-60

Walls: R-13 to R-21 (cavity insulation) and R-20 to R-30 (continuous insulation on the exterior)

Floors: R-25 to R-30

However, local building codes and standards might specify slightly different requirements. It's essential to consult with local building authorities or energy efficiency professionals to determine the specific R-value requirements for insulation in Colorado homes.

Call us today to schedule an in-home radiant heat barrier insulation consultation - (720) 215-6141