Floor An Attic That Is Insulated

Build up the height of the joists prior to installing flooring when the insulation reaches the tops of the joists.

Floor an attic that is insulated.

Take the insulation up to your attic so that you are above the garage ceiling. Insulating the attic floor. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Thus the air in the attic is connected with the air in the house.

With a finished attic insulation must help keep the attic areas comfortable. 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. So provisions must be made to reroute the attic s ventilation through the rafter spaces and the rafters must then be insulated. We have a heat pump and most of the ductwork is in the attic along with the heater itself.

If you do not use the attic much it is pointless heating this area. You should have a vapor barrier between the insulation and the ceiling of your garage. But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

Should we insulate the attic ceiling to keep the heater and ductwork at milder temps or just do the floor to keep the main living space insulated. Take up the floor allowing you to see the joists. In practical terms you can choose between mineral wool or insulation boards. How to insulate a finished attic.

1 put on work gloves safety glasses and a dust mask before entering the attic. Plan to pull up the flooring and layer new. 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. 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. Installing attic flooring for light storage only. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. 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.

Stop using your attic for storage. That means insulating the attic floor only not the walls and having vents in the roof. Attic insulation between roof trusses. This is particularly imnportant if you have heating and air in the garage.

Step 3 lay the insulation.