Improper installation can damage attic framing promote mold.
Double layer attic insulation.
A couple of different layers will keep a person warmer than one big single layer especially in one s attic.
Roll out the second layer so it installs perpendicular to the attic floor joists and the existing insulation between them.
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.
For diy attic insulation you ve got two choices.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
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.
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.
Loose fill or batt the common term for blanket insulation.
Or to achieve an r 60ish level i want to double layer the insulation if possible.
Both can be added to uninsulated attics or layered over existing material.
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 want to cover the exposed insulation with plywood on the floor of my attic.
In other words i see pink.
Insulation radiant and vapor barriers does doubling insulation layer double r value ok.
Also it is an unfinished extra room.
I have access to some metal insulation panel s.
I am trying to build a dwarf wall and build a conservatory.
It could also be that the upper layer is not well adhered to the bottom layer and they.