To help you choose adequate insulation, we have summarized the R-values of 51 most common insulation materials (check the insulation R-value chart below).

May 19, 2025 · Learn all about insulation R-values and how they help keep your home cozy and save energy. Find everything you need to know with these insulation R-value charts.

The higher the R-Value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost-effective for different climates and locations in the home.

May 29, 2025 · This R-value table gives standard R-values for 49 building materials, including insulation and roofing products. Calculate R-values using this chart.

Oct 15, 2025 · Compare insulation R-values per inch for all materials. Get climate zone recommendations, installation tips, and energy savings calculations for your home insulation project.

An insulation thickness chart shows exact depths required to achieve optimal insulation r-values, reducing heat losses and cutting down on long-term energy costs.

The table opposite suggests R-values by zone as indicated in the map of the United States. It also suggests R-values when adding insulation to uninsulated or under-insulated attics, crawl spaces, and …

These tables give R-values of all sorts of materials, in alphabetical order with direct links to some popular insulating materials.

Feb 27, 2022 · There is a table of building material R-Values further down in this article, but first we should quickly cover some basics about R-Values, U-Factors, and calculating thermal resistance.

Nov 27, 2025 · Learn how to choose the right insulation material with our comprehensive guide to R-value charts, including climate zone considerations and installation tips.