Insulation Market Prices
Analysis of 31,978 insulation listings to determine current market value.
What you'll usually pay
💡 Buying used saves about 39% here.
👉 In short easy summary
The best value is found in Ceramic Fiber and Mineral Wool, which sit 72% and 70% below the market median. Conversely, Basement and Ceiling applications command a premium, trading 21% above the median.
💚 Best value for your money
Price by material
Why? Prices range from Ceramic Fiber at 29.97 to Foam at 110.24.
Price by suitable for
Why? Basement insulation is the most expensive at 129.99, while High Temperature options are 79.99.
Price by type
Why? Insulation Tape is the lowest cost at 24.72, whereas Insulation Board reaches 59.48.
Price by item length
Why? Costs scale with size, from 24.99 for 31-40 ft to 149.4 for lengths over 50 ft.
🛒 Some on sale right now
Common questions
What is the price difference between new and used insulation?
The median price for new insulation is 114.17, while used insulation has a median of 69.95.
Which insulation material is the most affordable?
Ceramic Fiber is the most affordable material with a median price of 29.97.
How much does the most expensive insulation type cost?
Insulation Board has the highest median price among types at 59.48.
How we got these numbers
Worked out from 200 live eBay listings (price range $14–$442, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 31, 2026.