Floor An Attic That Is Insulated

Stop using your attic for storage.

Floor an attic that is insulated.

Insulating the attic floor. The insulation is so thin that in some places you can see the sheet rock of the room below. A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. So provisions must be made to reroute the attic s ventilation through the rafter spaces and the rafters must then be insulated.

With a finished attic insulation must help keep the attic areas comfortable. You should have a vapor barrier between the insulation and the ceiling of your garage. That means insulating the attic floor only not the walls and having vents in the roof. 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 do not use the attic much it is pointless heating this area. Because the simplest and cheapest way to insulate an attic is to add material to the floor. In practical terms you can choose between mineral wool or insulation boards. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest.

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. This is particularly imnportant if you have heating and air in the garage. If you leave the insulation in the attic floor after insulating the roofline the attic will be cooler in winter than if you remove the insulation. Installing attic flooring for light storage only.

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. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Take the insulation up to your attic so that you are above the garage ceiling. 1 put on work gloves safety glasses and a dust mask before entering the attic.

Thus the air in the attic is connected with the air in the house. How to insulate a finished attic. But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor. Start with the attic floor.

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. Build up the height of the joists prior to installing flooring when the insulation reaches the tops of the joists. Plan to pull up the flooring and layer new. We have a heat pump and most of the ductwork is in the attic along with the heater itself.

Step 3 lay the insulation.