Attic Insulation Layers

A guide to proper attic insulation.

Attic insulation layers.

Although installing insulation in an unheated attic is usually a fairly straightforward job a variety of pitfalls await the unwary. Thus far you will only have installed one layer of batt insulation above the vapor barrier. The second step in insulating your attic involves building up the layers of your batt insulation. For diy attic insulation you ve got two choices.

The format of house insulation you need depends on where you put it and if you need to control moisture. 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. 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.

Keep your space dry with faced insulation. Layer more insulation over the old for more effectiveness. So with cold weather. Loose fill or batt the common term for blanket insulation.

Between the two layers of insulation. Now you are going to want to add a second layer of the batt insulation on top of the first. Both can be added to uninsulated attics or layered over existing material. A tip for doubling up on attic insulation.