Attic Insulation Layers

Below the joists is 1 5 16 center to center supporting lathe and plaster for ceiling below i am trying to create some walkways and storage space by placing boards on top of the joists.

Attic insulation layers.

Multi layer insulation mli is thermal insulation composed of multiple layers of thin sheets and is often used on spacecraft and cryogenics it is one of the main items of the spacecraft thermal design primarily intended to reduce heat loss by thermal radiation in its basic form it does not appreciably insulate against other thermal losses such as heat conduction or convection. The second step in insulating your attic involves building up the layers of your batt insulation. Attic insulation labs after waiting for me to respond came in with a bid for r 38 bats rodent proofing and. Thus far you will only have installed one layer of batt insulation above the vapor barrier.

Although installing insulation in an unheated attic is usually a fairly straightforward job a variety of pitfalls await the unwary. In my attic i currently have usg thermafiber insulation in the 5 75 6 75 between joists with 9 unfaced fiberglass batts on top. Commonly used for diy projects they work well in open spaces like attic floors. Determine the type of insulation needed for your attic.

And a family of birds. 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. Now you are going to want to add a second layer of the batt insulation on top of the first.

For diy attic insulation you ve got two choices. I was in the attic insulation market because my attic was 3 layers deep of insulation trashed by water messy electricians and gross roof debris from a reroof. A guide to proper attic insulation. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.

I did my due diligence and got many bids. Batt and roll insulation also called blanket insulation are designed to fit between joists and wall stud cavities. Loose fill or batt the common term for blanket insulation. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Both can be added to uninsulated attics or layered over existing material. We used batt insulation for our project. The vapor retarder on top of or between layers of insulation can trap moisture.