Double Layer Attic Insulation

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

Double layer attic insulation.

In other words i see pink. It could also be that the upper layer is not well adhered to the bottom layer and they. 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. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

With that said would i roll an r 19 on top of existing. Loose fill or batt the common term for blanket insulation. For diy attic insulation you ve got two choices. The insulation is with facing against the inside.

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. Improper installation can damage attic framing promote mold. I want to cover the exposed insulation with plywood on the floor of my attic.

Or to achieve an r 60ish level i want to double layer the insulation if possible. I have 2x8 floor joists and replaced the loose fill fiberglass insulation with 2 layers of comfort therm batt insulation. A tip for doubling up on attic insulation. Also it is an unfinished extra room.

I have access to some metal insulation panel s. 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. Roll out the second layer so it installs perpendicular to the attic floor joists and the existing insulation between them.