Best Attic Insulation Rating

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.

Best attic insulation rating.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and an inch of blown cellulose in an attic has an r value of 3 2 3 7 along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. Both can be added to uninsulated attics or layered over existing material. It s an r 10 rated insulator.

The thermoclimb attic door insulation is different from most models on the market thanks to the combination of durable fibres and poly textile. This eco friendly insulator has a wide range of advanced features that will prevent heat from entering your. As a benchmark one inch of solid wood has an r value of 1. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.

Let s say the insulation you ve selected has an r value of three per inch. Energy wise is an excellent attic opening insulation cover. For diy attic insulation you ve got two choices. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Energy wise attic stairs insulation cover ac 1. Loose fill or batt the common term for blanket insulation. In general an attic s r value should be between r 30 and r 49. Add insulation to attic.

When the design of your attic allows the best attic insulation is inexpensive easy to install and will yield the performance you re looking for. Thermoclimb attic door insulation. Whistler extra thick fireproof attic stairway insulator. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.

The big disadvantage with spray foam is cost. Recommended insulation levels for retrofitting existing wood framed buildings. In particularly cold climates you might go up to r 60. Check price on amazon.

Existing 3 4 inches of insulation. I d blow insulation on the attic floor after air sealing of course. The answer to the question of which attic insulation is best is of course entirely circumstantial. To choose the best insulation for your home from the many types of insulation on the market you ll need to know where you want or need to install the insulation and what r value you want the installation to achieve.