The thickness of attic insulation directly determines how effectively your home maintains comfortable indoor temperatures. Too little insulation allows heat loss or gain, while too much can reduce ventilation and trap moisture.
Determining Ideal Insulation Depth
The recommended insulation thickness depends on your climate zone and the material used. In colder regions, a minimum of 14–18 inches may be necessary, while warmer areas might need only 10–12 inches. Always check your insulation’s R-value, which measures resistance to heat flow.
To assess your current insulation, use a ruler to measure depth in multiple spots across the attic floor. If it falls below the recommended level, add new insulation over the existing layer without compressing it. Compression reduces air pockets, which are essential for thermal resistance.
According to heat_transfer, energy naturally moves from warmer to cooler spaces, so maintaining the right thickness prevents unwanted temperature exchange.
Proper insulation thickness ensures optimal comfort, consistent indoor climate control, and maximum energy savings throughout the year.
316 Insulation of Olympia
2511 Columbia St SW Olympia WA 98501
253-332-7606