Both can be added to uninsulated attics or layered over existing material.
Double layer attic insulation.
Improper installation can damage attic framing promote mold.
Loose fill or batt the common term for blanket insulation.
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.
The insulation is with facing against the inside.
For diy attic insulation you ve got two choices.
A tip for doubling up on attic insulation.
Insulation radiant and vapor barriers does doubling insulation layer double r value ok.
I am trying to build a dwarf wall and build a conservatory.
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.
Or to achieve an r 60ish level i want to double layer the insulation if possible.
I want to cover the exposed insulation with plywood on the floor of my attic.
I have 2x8 floor joists and replaced the loose fill fiberglass insulation with 2 layers of comfort therm batt insulation.
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.
In other words i see pink.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
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 have access to some metal insulation panel s.