Laying Insulation Over Attic Floor

Stop using your attic for storage.

Laying insulation over attic floor.

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. To give yourself enough space to ensure adequate insulation under the flooring construct a riser of 2 x 4 s in the attic over the existing joists. How to lay attic flooring on top of fiberglass 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.

The solid base. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Laying foil on top of insulation on the attic floor. You ll have to construct a wooden frame or sub floor with boards 16 inches apart to provide extra support for the floor.

This will make the installation of these new joists easier. This method can be used in any climate though it historically has been most popular in colder climates. For joists spaced 24 inches oc use thicker inch plywood to prevent. The joists for this riser should run perpendicular to the existing ceiling joists.

It also makes navigating the attic space more dangerous as you won t be. Osb in 4 foot by 8 foot panels over existing 16 inch oc joists. Start with the attic floor. First you ll need to measure the area you want to floor so you can calculate how much wood you ll require.

Ensuring adequate insulation under the flooring. Attic insulation between roof trusses. Installing attic flooring for light storage only. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

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. Laying the radiant barrier on top of attic floor insulation is the easiest way to install it but it s more likely to get dusty that way and the department of energy estimates that as a radiant barrier accumulates dust its efficiency can be decreased by up to 50.