Double Layer Attic Insulation

Insulation radiant and vapor barriers does doubling insulation layer double r value ok.

Double layer attic insulation.

Or to achieve an r 60ish level i want to double layer the insulation if possible. A couple of different layers will keep a person warmer than one big single layer especially in one s attic. 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. 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.

I am trying to build a dwarf wall and build a conservatory. For diy attic insulation you ve got two choices. Both can be added to uninsulated attics or layered over existing material. A tip for doubling up on attic insulation.

It could also be that the upper layer is not well adhered to the bottom layer and they. Loose fill or batt the common term for blanket insulation. I want to cover the exposed insulation with plywood on the floor of my attic. 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.

I have access to some metal insulation panel s. The insulation is with facing against the inside. Also it is an unfinished extra room. With that said would i roll an r 19 on top of existing.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Improper installation can damage attic framing promote mold. I have 2x8 floor joists and replaced the loose fill fiberglass insulation with 2 layers of comfort therm batt insulation.