Double Layer Attic Insulation

I have 2x8 floor joists and replaced the loose fill fiberglass insulation with 2 layers of comfort therm batt insulation.

Double layer attic insulation.

I want to cover the insulation with a thin layer of plywood or paneling on the walls of the stairway going up to the attic. A tip for doubling up on attic insulation. Insulation radiant and vapor barriers does doubling insulation layer double r value ok. Insulation radiant and vapor barriers adding new insulation over double faced attic insulation hi all i recently bought a home built in the 60 s that had double faced insulation.

Also it is an unfinished extra room. Improper installation can damage attic framing promote mold. For diy attic insulation you ve got two choices. Roll out the second layer so it installs perpendicular to the attic floor joists and the existing insulation between them.

I am trying to build a dwarf wall and build a conservatory. Or to achieve an r 60ish level i want to double layer the insulation if possible. Loose fill or batt the common term for blanket insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Normally r 13 or r 19 insulation is installed between the ceiling joists in the direction of the joists and then another layer of insulation usually r 30 is applied perpendicular to the initial layer on top of the first. The insulation is with facing against the inside. With that said would i roll an r 19 on top of existing. Double layer of insulation vapor barrier i am converting my attic into storage space and in the next few years hope to convert it to a living space.

Both can be added to uninsulated attics or layered over existing material. I want to cover the exposed insulation with plywood on the floor of my attic. In other words i see pink.