The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Are attics required to have insulation.
If the atmospheric combustion appliances start off in a vented attic the building code doesn t require those vents because the appliances are already connected to the outside and should get plenty of air.
Add the right kind of insulation when adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
There are different types of attic insulation and they each have their pros and cons.
If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job.
Attics more than any other area of the home usually lack the right amount.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
Some types of insulation are found in older homes and some of them may no longer be used.
Whether the home is old or new however anyone considering spray foam insulation would be wise to ask this question.