Double Layer Attic Insulation

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

Double layer attic insulation.

It could also be that the upper layer is not well adhered to the bottom layer and they. Insulation radiant and vapor barriers does doubling insulation layer double r value ok. 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. 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. For diy attic insulation you ve got two choices. The insulation is with facing against the inside.

A tip for doubling up on attic insulation. Roll out the second layer so it installs perpendicular to the attic floor joists and the existing insulation between them. Or to achieve an r 60ish level i want to double layer the insulation if possible. 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 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. I want to cover the exposed insulation with plywood on the floor of my attic. Also it is an unfinished extra room.

Loose fill or batt the common term for blanket insulation. With that said would i roll an r 19 on top of existing. In other words i see pink.