Blow In Insulation Attic Crawl Space

We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

Blow in insulation attic crawl space.

Blown in spray foam batts and blankets. Why you may need to remove and replace your attic insulation. However it is more complicated than other energy saving projects such as blowing loose fill insulation into an attic or even stapling on insulation behind drywall. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

There are two main types of insulation. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Batt and roll insulation and loose fill sometimes known as blown in insulation. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace.

Though it is a large investment the benefits of rodent proofing your attic are vast and very worth the cost. Loose fill or batt the common term for blanket insulation. If you are adding new attic insulation to your home you must first make sure that no rodents are present and then entirely rodent proof the space before putting the insulation in. The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot.

Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. Both can be added to uninsulated attics or layered over existing material. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Crawl space insulation as a part of overall home air sealing and insulation helps maintain your entire home s energy efficiency without insulation heat and cool air are easily lost through the floor.

Over time attic insulation under performs because of a build up of dirt dust and or moisture. Handy homeowners can install blown in insulation in the attic. Insulating a dirt crawl space can reduce your heating bill and keep your home s floors warmer in winter. When this happens your energy bills increase.

Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Department of energy estimates that improper or old under performing attic insulation can increase your heating costs by 10 to 50 percent. See install batt and roll insulation for details. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.