Insulation Material Pricing
Analysis of 1,872 eBay listings for insulation materials.
What you'll usually pay
💡 Buying used saves about 13% here.
👉 In short easy summary
The best value is found in Rubber and Fiberglass, which are 32% and 28% below the market median respectively. Conversely, Ceramic Fiber represents a significant premium at 175% above the median.
💚 Best value for your money
Price by material
Why? Prices vary by thermal properties, ranging from Rubber at 23.09 to Ceramic Fiber at 93.57.
Price by packaging
Why? Format affects cost, with Batts reaching 75 compared to Rolls at 35.19.
🛒 Some on sale right now
Common questions
What is the typical price difference between new and used insulation?
New materials have a median price of 34.58, while used materials are slightly lower at 30.
Which material is the most affordable option?
Rubber is the most affordable material with a median price of 23.09.
How does the price of foam insulation compare to the market average?
Foam insulation is 30% above the market median, priced at 44.11.
How we got these numbers
Worked out from 200 live eBay listings (price range $15–$190, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 25, 2026.