Save Money and Stay Warm: The Truth About Johns Manville Fiberglass Blown-In Insulation
Table of Contents
1. Introduction
2. Why Choose Johns Manville Fiberglass Blown-In Insulation for Your Attic
3. Understanding the Average Cost of Blown Attic Insulation
4. Maximizing Energy Efficiency and Savings with Johns Manville Fiberglass Blown-In Insulation
5. Q&A
6. Conclusion
Introduction
When energy bills soar and indoor comfort feels out of reach, a properly insulated attic can be your best defense. Investing in quality insulation not only keeps your home cozy year-round but also slashes heating and cooling costs. Among the top contenders, Johns Manville fiberglass blown-in insulation stands out for its performance, durability, and ease of installation. In this article, you’ll discover the real benefits, true costs, and long-term savings you can expect when you upgrade your attic with this premium insulation solution.
H2: Why Choose Johns Manville Fiberglass Blown-In Insulation for Your Attic
Johns Manville fiberglass blown-in insulation delivers a host of advantages that make it ideal for attics:
• Superior Coverage – The loose-fill fibers expand to fill every nook, cranny, and joist bay. No gaps, no weak spots.
• High R-Value – With an R-value of up to 2.7 per inch, it outperforms many batt and roll products at equivalent thicknesses.
• Moisture and Mold Resistance – Inorganic glass fibers don’t absorb moisture, so mold and mildew won’t find a foothold.
• Fire Safety – Non-combustible by nature, this insulation adds an extra layer of fire protection to your home.
• Eco-Friendly Composition – Made with a significant percentage of recycled glass, Johns Manville fiberglass blown-in insulation is a responsible choice for green-minded homeowners.
• Long-Term Stability – Unlike cellulose or some batt products, it won’t settle or compress over time, maintaining its insulating power for decades.
H2: Understanding the Average Cost of Blown Attic Insulation
Before you commit, it’s wise to know what to expect in terms of expense. Several factors influence the total investment:
Attic Size
• Small (up to 1,000 sq. ft.): $1,000–$1,800
• Medium (1,000–1,500 sq. ft.): $1,500–$2,500
• Large (1,500–2,500 sq. ft.): $2,200–$4,000
Material Type
• Fiberglass blown-in: $0.50–$1.00 per sq. ft.
• Cellulose: $1.00–$1.50 per sq. ft.
Labor and Accessibility
• Easy access: Standard rates apply.
• Restricted access (kneewalls, HVAC ducts): May add 10–25% to labor costs.
Existing Insulation Removal
• If old insulation must be removed, budget an additional $0.50–$1.00 per sq. ft. for cleanup and disposal.
Regional Variations
• Urban areas and regions with high labor rates can see total costs 10–20% above the national average.
By comparing quotes from licensed contractors and accounting for local labor rates, you can pinpoint a realistic budget for your blown attic insulation project.
H2: Maximizing Energy Efficiency and Savings with Johns Manville Fiberglass Blown-In Insulation
An up-to-code attic barrier offers more than just comfort; it delivers measurable savings:
• Up to 20% Reduction in Heating and Cooling Bills – According to the Department of Energy, proper attic insulation yields substantial HVAC savings.
• Year-Round Comfort – Stop battling hot upper floors in summer and icy bedrooms in winter.
• Extended HVAC Lifespan – Reduced runtime eases wear and tear on your furnace and air conditioner.
• Environmental Impact – Lower energy consumption means fewer greenhouse gas emissions.
Installation Tips
• Seal air leaks first – Insulation works best when combined with caulk and weatherstripping at penetrations, hatchways, and recessed lighting.
• Aim for recommended R-values – R-49 in colder climates, R-38 in moderate zones.
• Hire certified installers – Proper coverage and depth are critical.
H2: Q&A
1. What makes fiberglass blown-in insulation different from batt insulation?
Fiberglass blown-in reaches tight spots and settles uniformly, whereas batts can leave thermal bridges between studs.
2. How long does blown-in insulation last?
With Johns Manville fiberglass, you can expect consistent performance for 50 years or more, as it resists settling and degradation.
3. Can I install it myself?
DIY kits exist, but professional equipment and expertise ensure correct density and coverage—key to achieving the stated R-value.
4. Will blown-in insulation help with soundproofing?
Yes. The dense fiber network absorbs airborne noise, reducing sound transfer between rooms and from outside.
5. Is it safe for my family?
Johns Manville fiberglass contains no formaldehyde, VOCs, or other harmful chemicals. Proper protective gear during installation addresses dust concerns.
Conclusion
Upgrading your attic with Johns Manville fiberglass blown-in insulation is a smart investment that pays dividends in comfort, safety, and energy savings. While the upfront cost typically ranges from $1,000 to $4,000 depending on your attic’s size and accessibility, the long-term reduction in heating and cooling bills can recover your investment in just a few years. From its superior coverage and lasting performance to its mold resistance and fire safety, this insulation solution offers an unbeatable blend of benefits. Don’t let another season of wasted energy dollars pass you by—choose Johns Manville fiberglass blown-in insulation and start saving money while staying warm.
