Differences In Insulation For Attics

Blanket insulation is available as batts or rolls and is the easiest diy insulation material.

Differences in insulation for attics.

Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier. Loose fill or batt the common term for blanket insulation. This type of insulation. For diy attic insulation you ve got two choices.

The table below shows what levels of insulation are cost effective for different climates and locations in the home. Closed cell and open cell aka 2 pound and pound respectively. 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. Both can be added to uninsulated attics or layered over existing material.

Insulating basement walls or slab foundation can reduce heating costs by10 to 20. In the baltimore area the u s. 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. The higher the r value the better the thermal performance of the insulation.

Spray foam offers the best attic insulation performance available. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Insulation level are specified by r value. Fiberglass insulation in rolls or batts can be easily added by the homeowner.

Cellulose insulation is calculated based on the depth of the blown in insulation. Batt spray and blown. However building codes only require an r 38. It s available in fiberglass mineral wool plastic fibers and natural fibers.

Some types of insulation are found in older homes and some of them may no longer be used. Department of energy recommends r 49 attic insulation. Attic insulation is measured by an r value which indicates how insulation controls the flow of heat and cold through your home. Fiberglass insulation is calculated based on the number of batts or rolls you need.

When installed properly both types of insulation fill all of the nooks and crannies in a space and make for a perfect air barrier. Choose from two types. There are three common attic insulation types used today. There are different types of attic insulation and they each have their pros and cons.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. R value is a measure of insulation s ability to resist heat traveling through it.