Attic Insulation Layers

Between the two layers of insulation.

Attic insulation layers.

Increase your r value by layering insulation. Both can be added to uninsulated attics or layered over existing material. A guide to proper attic insulation. Loose fill or batt the common term for blanket insulation.

Thus far you will only have installed one layer of batt insulation above the vapor barrier. For diy attic insulation you ve got two choices. Now you are going to want to add a second layer of the batt insulation 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.

The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below. Cold areas require a higher r value like an r 49. So with cold weather. Layer more insulation over the old for more effectiveness.

The best approach for a vented attic in a cold climate is installing a layer of drywall with a good coat of latex paint the paint creates a semi permeable vapor barrier. Improper installation can damage attic framing promote mold. Keep your space dry with faced insulation. Although installing insulation in an unheated attic is usually a fairly straightforward job a variety of pitfalls await the unwary.