This is still an effective insulation material but it must be handled with care during installation because any tear will diminish the quality of the insulation.
Is extra attic insulation worth it.
Fiberglass batting insulation comes in packaged in rolls in a standard thickness between 16 inches sometimes in 24 inches.
However there are certain circumstances where they can prove useful.
There are different types of attic insulation and they each have their pros and cons.
For inexpensive insulation fiberglass batts are recommended.
Attic insulation is one of the best investments you can make in a long term residence.
A blower door is a large calibrated fan used to measure house tightness before and after air sealing.
Attic insulation that is less than r 19.
Some types of insulation are found in older homes and some of them may no longer be used.
In either case get an extra bag or roll you really don t want to run out when you re almost done putting it in.
Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.
An attic floor that is thoroughly air sealed.
Savings from additional insulation will be minor.
It may be starting to sound like attic ventilation fans aren t worth the hassle and could cause more problems than they solve.
Insulating your home with spray foam insulation saves the average homeowner between 15 and 50 percent on their monthly energy bills.
The number one prep step.