Insulate Attic Without Removing Flooring

Rather than insulating the whole home and potentially causing problems like excess humidity you can properly seal the attic of an old house.

Insulate attic without removing flooring.

A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. Start with the attic floor. That means insulating the attic floor only not the walls and having vents in the roof. Upon inspection of the attic insulation we noticed that the underside was indeed wet.

How to insulate a finished attic. 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. This of course would preclude using the area for. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.

The attic floor which is the ceiling of the living space below often already is insulated. Roughly a quarter of the average home s heat is lost through the roof. Attic insulation between roof trusses. Insulating the attic and roof.

Without removing the flooring you have the option of blowing loose fill insulation fiberglass or cellulose fiber over the top of the floor. Without ventilation moisture can accumulate and condense eventually rotting. With a finished attic insulation must help keep the attic areas comfortable. Some common insulation methods can actually cause long term damage.

Stop using your attic for storage. It may seem counterintuitive but while attic insulation is critical ventilation of the attic is equally important. It will trap the heat up in the attic and the attic will get even hotter than it would without insulation on the attic floor. Laying devil s advocate the case for removing the insulation on the attic floor aka extraction is that leaving the insulation on the attic floor will work against the spray foam insulation on the roof deck.

If your existing attic flooring isn t adequate for conversion to a living space all is not lost. Plan to pull up the flooring and layer new. If it is and you plan to provide heating and cooling to the finished attic space you need to remove. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation.