Install Attic Floor Over Blown Insulation

This is probably the easiest method to install radiant barrier atticfoil is to lay the foil out over the existing insulation on the attic floor.

Install attic floor over blown insulation.

Laying foil over on top of insulation on the attic floor. Drill 3 inch screws through the boards and into the joist where they cross over the joists. You need about 22 inches of blown in or about 19 inches of unfaced insulation in that attic space to give you the maximum amount of warmth. Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation that just needs to be topped off.

Handy homeowners can install blown in insulation in the attic. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Watch this easy diy guide on how to fit an attic sub floor and boards. This method can be used in any climate though it historically has been most popular in colder climates.

Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. Then you ll be good to go. See install batt and roll insulation for details. Loftzone gives you a strong storage platform above even thick insulation in your attic.