Insulating the attic floor.
Floor an attic that is already insulated.
That makes the surface of the spray foam cooler possibly even below the dew point.
Attic hatch or door.
Pull down stair or ladder.
That means insulating the attic floor only not the walls and having vents in the roof.
This guide is primarily for insulating an attic without a floor.
One could remove the floor and add the insulation between the joists and then reattach the floor.
Removing the attic floor insulation will solve this problem.
Affix rigid foam insulation to the attic side of the hatch or door.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
In practical terms you can choose between mineral wool or insulation boards.
Or one could attach insulation to the underside of the floor if the wood and pier foundation is tall enough to get under the shed.
If you need regular access to your attic it makes sense to build a catwalk before you insulate the floor of your attic.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Hiring a professional contractor to install loose fill insulation is the wisest choice in such cases.
The attic is much warmer than outdoors in winter but significantly cooler than the living space if you leave the old insulation in the attic floor.
With a finished attic insulation must help keep the attic areas comfortable.
How to insulate a finished attic.
If your attic has been finished with a floor insulating it becomes much more complicated.
The attic floor which is the ceiling of the living space below often already is insulated.
So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest.
But now the attic isn t vented to outdoors.
If you do not use the attic much it is pointless heating this area.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.