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We specialize in blown-in insulation for residential and commercial properties in St. Charles and St. Louis, MO. This energy-efficient insulation method, also known as loose-fill insulation, is designed to fill air gaps and prevent energy loss, ensuring your homestays comfortable year-round. Call 636-233-7314 for quote
Blown-in insulation is made of loose particles—commonly fiberglass or cellulose—that are blown into attics, walls, or other spaces to seal gaps and improve thermal performance. It’s an ideal solution for upgrading your home’s insulation, reducing energy costs, and enhancing overall comfort.
We proudly provide blown-in insulation services to homes and businesses in St. Charles, St. Louis, Ballwin, Chesterfield, O'Fallon, Wentzville, Florissant, Hazelwood, and beyond.

Unfinished attics are a common source of energy loss in homes. We offer a comprehensive service that includes:

Upgrade your exterior walls with our drill-and-fill method, which injects insulation into wall cavities without major renovations. This improves thermal performance and reduces energy costs in older homes.

Whether you’re a homeowner looking to lower energy bills or a contractor managing new construction, we provide tailored insulation solutions for:
Serving St. Charles, St. Louis, and surrounding areas with over 15 years of experience.
We prioritize sustainable materials like cellulose insulation.
Get a detailed, no-obligation quote for your insulation project.
rust our team for professional and reliable service.
Blown-in cellulose insulation creates a seamless, airtight barrier that prevents air leakage and drafts, ensuring your home stays comfortable year-round.
Save on your utility bills with the energy efficiency of cellulose insulation. By reducing heat loss in winter and heat gain in summer, it can lower your energy costs by up to 20-30%.
Guard your home against water damage, condensation, and mold growth. Cellulose insulation’s natural density and fire-retardant additives help maintain a dry, healthy living space.
Enjoy an insulation solution built to last. Blown-in cellulose resists settling and degradation over time, outperforming many traditional insulation options in both durability and thermal performance.
Great company to work with. Getting my attic insulated was easy they were fasting on time. Definitely recommend. - Jayden S.
I am very impressed with the service from Addict Insulation. Fast and reliable. - Nijaz M
Very pleased with the job done to insulate our garage walls and ceiling. Reasonable price. Great customer service. Very responsive. Highly recommend. - Hal H
Stop wasting energy and start saving money! Contact Addict Insulation for a free consultation and estimate. Let us help you create a more energy-efficient, comfortable property with expert blown-in insulation services.
St. Charles, St. Louis, Ballwin, Chesterfield, O'Fallon, Wentzville, Florissant, Hazelwood, and beyond.
Addict Insulation, LLC
2413 Charann St, St Charles, MO 63301, USA
Addict Insulation, LLC is based on the belief that our customers' needs are of the utmost importance. We are committed to meeting those needs
Located in St Charles and St Louis Missouri Insulation Company - Professional Installation of Quality Insulation
St Louis, MO | St. Charles, MO | Ballwin, MO | Chesterfield, MO | O'Fallon, MO | Florissant, MO | Hazelwood, MO | Warrenton, MO | Lake St. Louis, MO | St. Peters, MO | Wentzville, MO | Maryland Heights, MO | Wildwood, MO | Webster Groves, MO | Lake of the Ozarks, MO
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