You can have the most expensive furnace in the world, but if your insulation is poor, you’re essentially heating the neighborhood. Think of insulation as a warm winter coat for your house — it keeps the heat in during the winter and the scorching sun out during the summer.
At Cornerstone Constructs, we don't just "stuff walls." We strategically select the right material to maximize your comfort and minimize your monthly bills.
Why Good Insulation is a "No-Brainer" Investment
- Lower Energy Bills: Proper insulation can save you up to 15–20% on heating and cooling costs.
- Sound Proofing: Blocks noise from traffic, neighbors, and rain.
- Pest & Moisture Control: Modern materials help prevent mold and discourage critters.
Our Insulation Materials: The Breakdown
1. Fiberglass Batt — The "Traditional Reliable" Choice
Classic pink or white blankets installed between studs.
- Pros: Most affordable and very effective when installed correctly.
- Cons: Can lose performance if wet or compressed.
- Best For: Standard wall cavities in new builds or additions.
2. Mineral Wool (Roxul) — The "Fire-Safe & Quiet" Choice
Dense material made from stone and recycled slag.
- Pros: Fireproof, water-resistant, and excellent soundproofing.
- Cons: Higher cost than fiberglass.
- Best For: Home theaters, laundry rooms, or fire-prone areas.
3. Blown Cellulose — The "Eco-Friendly" Choice
Grey recycled newspaper treated with fire retardants.
- Pros: Fills every gap and is environmentally friendly.
- Cons: Can settle slightly over decades.
- Best For: Attics and topping up older homes.
4. Closed-Cell Spray Foam — The "Ultimate Barrier" Choice
Expands into a hard, dense seal.
- Pros: Highest R-value per inch and complete air/vapor barrier.
- Cons: Highest cost.
- Best For: Basements, crawl spaces, and extreme climates.
5. Rigid XPS (Blue Board) — The "Moisture Master" Choice
Stiff foam boards for continuous insulation.
- Pros: Excellent moisture resistance and thermal break.
- Cons: Must be covered with drywall for fire safety.
- Best For: Basement walls and exterior insulation under siding.
💡 Pro-Tips for a More Efficient Home
- Attic First Rule: If you can only do one area, start with the attic — heat rises and this is where you lose the most energy.
- Sound of Silence: Use Mineral Wool in interior walls (especially bathrooms) for dramatically better privacy.
- The Comfort Factor: A well-insulated home feels noticeably better and sells faster for a higher price.
Stop Throwing Money Out the Window
Is your upstairs too hot in summer or your floors freezing in winter? It’s time to upgrade your insulation.
Book a Free Home Efficiency Audit Today →