Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.
Best type of blown in attic insulation.
In particularly cold climates you might go up to r 60.
Handy homeowners can install blown in insulation in the attic.
Closed cell and open cell aka 2 pound and pound respectively.
Choose from two types.
Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold.
Loose fill or batt the common term for blanket insulation.
For diy attic insulation you ve got two choices.
Both can be added to uninsulated attics or layered over existing material.
The third major type of insulation is spray foam.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
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.
In general an attic s r value should be between r 30 and r 49.
That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.
The answer to the question of which attic insulation is best is of course entirely circumstantial.
It is effective in filling in areas that are difficult to reach.
R values vary based on the type thickness and density of the insulation material.
We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
Insulation is rated by its r value.
R value measures how resistant types of insulation are to heat flow.
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.
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.
Blown in spray foam batts and blankets.
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.
Spray foam attic insulation.
Your home s r value score will guide you toward the type of insulation you need.
Blown in insulation also fills the tiny crevices where heat or air conditioning can escape from your home.