Double Layer Attic Insulation

It could also be that the upper layer is not well adhered to the bottom layer and they.

Double layer attic insulation. 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. 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 am trying to build a dwarf wall and build a conservatory.

I have access to some metal insulation panel s. 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. A tip for doubling up on attic insulation.

Improper installation can damage attic framing promote mold. Both can be added to uninsulated attics or layered over existing material. In other words i see pink. Or to achieve an r 60ish level i want to double layer the insulation if possible.

The insulation is with facing against the inside. With that said would i roll an r 19 on top of existing. Insulation radiant and vapor barriers does doubling insulation layer double r value ok. Roll out the second layer so it installs perpendicular to the attic floor joists and the existing insulation between them.

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. Also it is an unfinished extra room.