Recommended Home Insulation R–Values

Insulation levels are specified by R-Value. R-Value is a measure of insulation’s ability to resist heat traveling through it. The higher the R-Value the better the thermal performance of the insulation.

What Is R-Value When It Comes to Insulation?

What Is Insulation R-Value Homeowner's Insulation Resource

How Much Insulation Does Your Home Need?

What Is R-Value When It Comes to Insulation?

Envelope PA Energy Code

Insulation Department of Energy

Insulation R-Value - InterNACHI®

Insulation R-Value: Everything You Need to Know

R-Value EGEE 102: Energy Conservation and Environmental Protection

Let's Talk Insulation R-Value

How important is Insulation R-Value?

Insulation R-Value: What is it?

The Insulation Building Code 2021