Different Types Of Insulation For Attics

Wall insulation can reduce a home s heat loss by 67 while attic insulation can lead to a 40 decrease in heating and cooling costs.
Different types of insulation for attics. Closed cell and open cell aka 2 pound and pound respectively. What we talk about when we talk about attic insulation. In general an attic s r value should be between r 30 and r 49. For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed.
R value measures how resistant types of insulation are to heat flow. Types of heat pumps types of dehumidifiers types of generators alternatives to central air conditioning heat loss statistics. Loose fill or batt the common term for blanket insulation. For loose fill insulation each manufacturer must determine the r value of its product at settled density and create coverage charts showing the minimum settled thickness minimum weight per square foot and coverage area per.
Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists. For diy attic insulation you ve got two choices. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Spray foam offers the best attic insulation performance available.
Your home s r value score will guide you toward the type of insulation you need. When installed properly both types of insulation fill all of the nooks and crannies in a space and. Insulation is rated by its r value. Because blown in insulation which is fiberglass generally can go on top of the existing insulation the negative thing about blown in insulation is that it makes the attic absolutely impassable when you re done and you need a lot more thickness of it because it has more air inside of it than you would if you used fiberglass bats.
Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. A higher insulation r value usually means a higher price point as well. R value ratings vary among different types and forms of home insulations and among products of the same type and form. In particularly cold climates you might go up to r 60.
Both can be added to uninsulated attics or layered over existing material. Choose from two types. Read on for our comprehensive list of the different types of attic insulation the pros and cons of each and which one is likeliest to keep your thermostat on an even keel. In general the insulation s method of installation can give you an idea of how it compares to other types of insulation.