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.

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 …

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 …

Mar 4, 2025 · Discover the Ultimate Insulation Buyer Guide 2025! Explore the best insulation options, R-value comparisons, and expert tips to maximize energy efficiency and comfort for …

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.

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.

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

Whether you are insulating a wall, crawlspace or attic, find the right insulation r value for your project. Check this insulation r rating chart.