Step 2 install insulation boards.
Insulation attic over existing floor boards.
This method can be used in any climate though it historically has been most popular in colder climates.
Virtually any attic floor can be brought up to code it s just a matter of how much.
How to lay attic flooring on top of fiberglass insulation.
If your existing attic flooring isn t adequate for conversion to a living space all is not lost.
Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.
Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.
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.
Box out light fixtures.
Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation.
Attic flooring consists of materials as basic as sheets of plywood as well as more elaborate interlocking floor systems.
Recommended insulation levels for retrofitting existing wood framed buildings.
Unless you re using mineral wool insulation or your fixtures are rated safe for contact with any type of insulation don t allow the material to touch or cover recessed cans or.
Faced insulation should not be placed on top of existing insulation in the attic.
The solid base.
Foam insulation boards can be attached to concrete walls as well and in such a case care should be taken not to chip the cement.
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.
Remove the old insulation boards carefully without causing any damage to the walls.
Remove any existing pieces of insulation that might have been covering the attic walls until now.
Existing 3 4 inches of insulation.
Laying foil on top of insulation on the attic floor.