Insulation Buying Guide at Menards®

The Best Insulation for Each Area of Your Home
Attic: When attics are insulated, there is an increase in thermal performance and sound control, as well as year-round comfort. Loose fill insulation works well in attics with irregular spacing, many obstructions to work around, and old existing insulation, as well as low-clearance attics with little headspace. Loose fill insulation also offers extensive coverage throughout the attic, even covering hard-to-reach areas. With that said, loose fill insulation is the best kind of insulation for an attic. Rolls or batts are another option. Rolls or batts work great in attics with standard framing, few obstructions, and sufficient headroom. They're also great for attics that have no existing insulation. Without a doubt, though, loose fill insulation is the most cost-effective and efficient choice for attic applications.

Walls: Fiberglass batts or rolls are the most common type of insulation for wall applications in the United States. Mineral wool insulation is another viable option.

Floors: Loose fill insulation, rolls or batts of insulation, and foam boards can all be used to insulate your floors. The best option depends on what type of flooring you have and whether or not the flooring has already been installed. Loose fill insulation can be used to insulate an existing floor and is especially great for areas in between joists (the boards that support a floor or ceiling). Rolls or batts are commonly used for new construction. Like loose fill insulation, they're also great for use in between joists. In contrast, foam boards are typically placed before a concrete floor is poured. Foam board insulation is the best option when insulating underneath concrete slab flooring.

Basement: The basement is one of the most important rooms in a home to insulate. The most common way to insulate a basement is to use foam board insulation. Foam board insulation can be used on the interior or exterior of a basement, but it is typically glued and screwed directly to the foundation and walls and then sealed off with sheathing tape. It can also be helpful to install foam between the joists directly above the basement.

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