How To Insulate Your Attic Floor

How to insulate a finished attic.

How to insulate your attic floor.

If you have to insulate around electrical boxes or cables then support from an electrician might be needed as part of the process too. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. Attic insulation is installed in the floor of the attic so you ll need to do a few things to make the process straightforward. That means insulating the attic floor only not the walls and having vents in the roof.

First you ll need to measure the area you want to floor so you can calculate how much wood you ll require. In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. Attic flooring consists of materials as basic as sheets of plywood as well as more elaborate interlocking floor systems. If you do not use the attic much it is pointless heating this area.

Attic insulation between roof trusses. Start by installing temporary lighting such as clip lights and laying a few sturdy boards along the joists to create a walkway. You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.

If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or. With a finished attic insulation must help keep the attic areas comfortable. 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.

Start with the attic floor. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. However if you keep the storage weight to a minimum you may be able to build a storage platform above the insulation by attaching supporting beams to the sides of the trusses. Square footage of your attic.

Because the simplest and cheapest way to insulate an attic is. Stop using your attic for storage. Contractor or insulation installer s fee. How to lay attic flooring on top of fiberglass insulation.

If you need regular access to your attic it makes sense to build a catwalk before you insulate the floor of your attic. In practical terms you can choose between mineral wool or insulation boards. 1a attic access door.