Double Layer Attic Insulation

Both can be added to uninsulated attics or layered over existing material.

Double layer attic insulation. In other words i see pink. 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. It could also be that the upper layer is not well adhered to the bottom layer and they. 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. Insulation radiant and vapor barriers does doubling insulation layer double r value ok. I have 2x8 floor joists and replaced the loose fill fiberglass insulation with 2 layers of comfort therm batt insulation. Also it is an unfinished extra room.

For diy attic insulation you ve got two choices. Improper installation can damage attic framing promote mold. The insulation is with facing against the inside. Loose fill or batt the common term for blanket insulation.

With that said would i roll an r 19 on top of existing. A couple of different layers will keep a person warmer than one big single layer especially in one s attic. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Or to achieve an r 60ish level i want to double layer the insulation if possible.

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 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.