How To Insulate The Attic Floor

Start with the attic floor.

How to insulate the attic floor.

How to lay attic flooring on top of fiberglass insulation. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. You should have a vapor barrier between the insulation and the ceiling of your garage. For example heating and air can come from clothes driers.

To insulate an attic get some batting made out of mineral wool fiberglass or recycled foam. This is particularly imnportant if you have heating and air in the garage. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

If you need regular access to your attic it makes sense to build a catwalk before you insulate the floor of your attic. If you have to insulate around electrical boxes or cables then support from an electrician might be needed as part of the process too. With a finished attic insulation must help keep the attic areas comfortable. Loftzone raises the height of the lower chord of the attic truss.

This allows the full depth of attic insulation to work as intended. How to insulate a finished attic. Stop using your attic for storage. That means insulating the attic floor only not the walls and having vents in the roof.

Take the insulation up to your attic so that you are above the garage ceiling. You ll want to buy enough batting to lay at least 10 to 14 inches over the entire space. If you insulate the attic floor it is also important to have a vapor barrier in place to prevent warm moist air from rising into the chilled attic from the living space below. The moisture will condense on the wood and insulation reducing the insulation r value and encouraging the growth of mold and mildew.

Additionally purchase some loose fill insulation to insulate corners and angles where the batting won t fit. The solid base. To build a catwalk you would usually elevate a section of the framing perhaps with 2x6s installed at 90 degrees to the joists and you would install osb or plywood on top of the elevated framing. Attic flooring consists of materials as basic as sheets of plywood as well as more elaborate interlocking floor systems.

In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.