Double Layer Attic Insulation

A couple of different layers will keep a person warmer than one big single layer especially in one s attic.

Double layer attic insulation.

For diy attic insulation you ve got two choices. I have 2x8 floor joists and replaced the loose fill fiberglass insulation with 2 layers of comfort therm batt insulation. Loose fill or batt the common term for blanket insulation. Improper installation can damage attic framing promote mold.

The insulation is with facing against the inside. I am trying to build a dwarf wall and build a conservatory. 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. Roll out the second layer so it installs perpendicular to the attic floor joists and the existing insulation between them.

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

Both can be added to uninsulated attics or layered over existing material. 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. In other words i see pink. Insulation radiant and vapor barriers does doubling insulation layer double r value ok.

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. It could also be that the upper layer is not well adhered to the bottom layer and they. Or to achieve an r 60ish level i want to double layer the insulation if possible.