This blanket insulation for a roof with attic space comes in 9-inch-thick insulation rolls. It boasts an R-value of 30, keeping your home warm in colder months and cooler in the warmer months.

Key Takeaways. Roof insulation costs are fairly consistent, with a low end of $1,000 and a high range of $2,500.The average costs for a typical insulation project are around $2,000.; The materials ...

Get expert advice on improvements to your home, including design tips, how much you'd expect to pay for a pro and what to ask when hiring experts.

If your attic insulation is good, the snow will stay on for a long while (and actually will add insulation to the roof, since snow is an insulator). The best snowstorm for these observations will ...