Is blown-in attic insulation worth it?

Unless your home is relatively new, you will almost certainly benefit from installing blown insulation in your attic. It will make your home a more comfortable place to be in summer and winter, decrease the cost of your energy bills, and increase the value of your home.

How much does blown attic insulation cost?

Home Advisor estimates that installing blown-in attic insulation costs anywhere from $600 to $1,200 for attics about 1000 square feet in size. The average home should need an R-value of about 30, which means 10 to 14 inches of total insulation.

Is blown-in insulation better than rolls?

The Differences Between Blown-in and Rolled Insulation The lower the R-value is, the less effective it will be as insulation – although it will be cheaper as well. In such situations, blown-in insulation is much more effective since it allows you to easily insulate those hard to reach areas.

How thick should blown-in attic insulation be?

When blown into attics and wall spaces, loose-fill fiberglass offers an average R-2.5 thermal value per inch (the higher the number, the greater the insulating effect). You’d need a thickness of about 7.5 inches of insulation to match the insulating value of a batt of R-19 insulation (R-19 is a common batt value).

Can you reuse old blown-in insulation?

Cellulose: This insulation material is largely comprised of recycled materials already, and it’s an excellent option for reusable blown-in insulation in the home. Insulation professionals can completely recover and reuse cellulose for continued use to help save money on your insulation needs.

How do you blow insulation into your attic?

Cover one side of the attic, then move to the other side, starting in an outside corner. Always keep the attic entrance behind you to ensure you don’t block yourself in and surround yourself with insulation.

How do you install insulation in an attic?

Install Insulation. If installing shredded insulation, fill the attic space at least 15 inches high with insulation. If installing fiberglass mats, start by laying the mats at the furthest point from the attic access. Roll the sheets out and cut them perpendicular. When you reach a wall, pull the insulation back over a joist,…

What is the best attic insulation?

Cellulose insulation is one of the most popular and efficient methods of attic insulation. It has a relatively high R value (3.7) and for the most part higher than that of fiberglass. Higher R values correspond to higher insulation power. In our opinion, it is the best bang for the buck.

How much does it cost to replace insulation in an attic?

Cost to Replace Attic Insulation The cost to replace attic insulation is $2 to $8.50 per square foot , including $1 to $1.50 per square foot to remove old material. You may be able to keep what you have now, if it’s dry and in good condition. Most homeowners add blown-in insulation or spray foam on top of the existing material.