Batt Insulation

Batt insulation is a reliable way to boost energy efficiency, comfort, and sound control in homes and light commercial spaces. Pre-cut panels and rolls fit standard stud and joist cavities, making it a popular choice for walls, attics, floors, basements, and crawlspaces. By reducing heat loss and heat gain, batt insulation can lower utility bills, stabilize indoor temperatures, and help HVAC systems run more efficiently. It also provides noticeable noise reduction between rooms and levels.

Common options include fiberglass batts and mineral wool batts. Fiberglass is lightweight and budget-friendly, while mineral wool offers superior fire resistance, water repellence, and sound absorption. You’ll find faced batts—with kraft or foil vapor retarder—and unfaced batts for layered installs or where a separate vapor control strategy is used. Sizes match typical framing: 16-inch or 24-inch on center, with R-values like R-13, R-19, R-21, R-30, and R-38 to meet climate and code requirements.

A clean, snug fit maximizes performance. Measure cavity depth and width, choose the correct thickness, and avoid compressing the batt. Split around wires and pipes, and cut neatly around electrical boxes to prevent gaps. Air seal with caulk or foam before installing batts to curb drafts. In attics, add rafter baffles to keep soffit vents clear. Keep safe clearances around chimneys and only cover IC-rated recessed lights.

Tools and accessories that simplify installation:
- Tape measure, straightedge, and sharp utility knife or insulation saw
- Staple gun or hammer tacker for faced flanges
- PPE: gloves, long sleeves, goggles, and a dust mask or respirator
- Insulation supports for floor joists, vapor retarder materials, and baffles

Whether you’re tackling a DIY upgrade or outfitting new construction, choosing the right batt insulation—fiberglass or mineral wool, faced or unfaced, and the correct R-value—helps you achieve thermal comfort, quiet rooms, and long-term energy savings. Search options by size, R-value, and application to find the best fit for your project.