PreloaderCustom Contracting - Professional Roofing and Exterior Services
Roofing • Siding • Windows & Doors • Eavestroughs
Back to Blog
SidingAttic Insulation

Importance of Attic Insulation for Energy Efficiency

Greg
June 24, 2024
Importance of Attic Insulation for Energy Efficiency

📌 TL;DR - Quick Takeaways
  • ✓ Types of Attic Insulation
  • ✓ Benefits of Proper Attic Insulation
  • ✓ How Attic Insulation Works
  • ✓ Signs Your Attic Needs More Insulation
  • ✓ Boost Your Home's Energy Efficiency With Custom Contracting

📑 Table of Contents
  1. Types of Attic Insulation
  2. Benefits of Proper Attic Insulation
  3. How Attic Insulation Works
  4. Signs Your Attic Needs More Insulation
  5. Boost Your Home's Energy Efficiency With Custom Contracting
  Energy efficiency is one of the most talked-about and sought-after attributes in homes in today's increasingly environmentally friendly world. Whether it's to reduce your energy consumption and utility bills, improve the overall efficiency of your home, or reduce your environmental footprint, one of the most overlooked areas to help you achieve that is your attic. Attic insulation can play a crucial role in reducing your home's energy consumption. By understanding its purpose and significance, you can significantly help your cause and the environment. In this blog, we'll take a closer look at the importance and benefits of maintaining your attic insulation.

📊 Maintenance Schedule
Frequency Task Importance
Monthly Visual inspection Medium
Quarterly Clean gutters & downspouts High
Bi-Annually Professional inspection High
Annually Deep cleaning & repairs Medium

Types of Attic Insulation There are several types of attic insulation available, and they all come with their unique properties, benefits, and drawbacks. Let's examine the most common types:

Fibreglass Insulation

Fibreglass insulation is made from fine glass fibres and is available in two primary forms: batts and loose-fill. This type of insulation has become very popular because it is quite cost-effective and easy to install compared to its alternatives. One of its most notable properties is fire resistance, which adds an extra layer of safety to the home. On the downside, fibreglass insulation can irritate the skin and lungs during installation, especially if you're sensitive to small particles, and it can lose some of its effectiveness over time if it becomes compressed.

Cellulose Insulation Cellulose insulation is another option and is composed of recycled paper products that are treated with fire retardants. This makes it an environmentally friendly option that provides excellent coverage and good thermal performance. Other than that, another great benefit of cellulose insulation is that due to its consistency, it can conform to irregular spaces, ensuring thorough and even coverage even in uneven and oddly shaped spaces without losing its efficiency. However, similar to fibreglass insulation, it can settle over time, which can lead to a reduction in its insulating properties. It also has a higher risk of absorbing moisture, which could lead to mould growth if you don't address the issue.    

Spray Foam Insulation

The third popular option is spray foam insulation, which takes an entirely different approach. Spray foam insulation is applied as a liquid that expands into foam, filling cracks and crevices, making it an excellent choice for irregular and uneven spaces. Spray foam insulation is known for its high R-value, meaning it offers superior resistance to heat flow. It is available in two types: open-cell and closed-cell foam, with closed-cell foam providing the highest R-value out of all the options mentioned here. This type of insulation also provides air-sealing properties as it is applied to a surface and then expands as it dries, effectively sealing the space. This makes it an excellent choice for areas prone to drafts. However, despite its advantages, spray foam insulation comes with a higher cost (closed-cell foam is more expensive than open-cell) and usually requires professional installation. Additionally, there is a potential for off-gassing, meaning that the insulation releases chemicals into the air during and shortly after installation.

📊 Siding Material Comparison
Siding Type Durability Maintenance Cost Range
Vinyl Siding ⭐⭐⭐⭐ Low $3-$8/sq ft
Fiber Cement ⭐⭐⭐⭐⭐ Low-Medium $6-$12/sq ft
Wood Siding ⭐⭐⭐ High $8-$15/sq ft
Metal Siding ⭐⭐⭐⭐⭐ Very Low $7-$16/sq ft

Benefits of Proper Attic Insulation Proper attic insulation comes with a wide range of advantages you can benefit from, from its energy efficiency to increased home comfort. The most significant benefits include:
  • Energy Savings: Insulation reduces the heat lost in winter and gained in summer, leading to lower energy consumption.
  • Reduced Heating and Cooling Costs: Insulation maintains a consistent indoor temperature, lowering the demand for heating and cooling systems resulting in cost savings.
  • Return on Investment: The initial cost of insulation can be recouped through energy savings over time.
  • Environmental Impact: Improved energy efficiency reduces your home's carbon footprint and promotes sustainable living.
  • Home Comfort: Proper insulation enhances temperature regulation, boosting the comfort of your home year-round.
  • Noise Reduction: Insulation can also help dampen sound, creating a quieter living environment.

How Attic Insulation Works

Attic insulation effectively reduces heat transfer between your home's interior and exterior. Whether you opt for fibreglass, cellulose, or spray foam as insulation, it slows down the movement of heat, keeping warm air inside during the winter and outside during the summer. The effectiveness of insulation is measured by its R-value, which measures the resistance to heat transfer. This means the higher the R-value, the lower the heat flow and the insulation performance. It gives a good and easy-to-compare value when researching different options to determine which best fits your needs. When properly installed, the insulation helps reduce the workload on your heating, ventilation, and air conditioning (HVAC) systems, enhancing their efficiency and extending their lifespan.

   

Signs Your Attic Needs More Insulation There are some clear indicators that can help you determine if your attic requires additional or better insulation:
  • Uneven Insulation: If the insulation appears uneven or patchy, it may not provide full coverage.
  • Gaps or Holes: Visible gaps or holes in the insulation can lead to significant energy loss.
  • Performance Issues: Difficulty maintaining a consistent indoor temperature can be a sign of insufficient insulation.
  • High Energy Bills: Unexpectedly high heating or cooling bills may also indicate that the insulation is not performing effectively.
  • Professional Assessment: A professional assessment or home energy audit can thoroughly evaluate the insulation's condition and effectiveness.

Boost Your Home's Energy Efficiency With Custom Contracting Investing in proper attic insulation can significantly boost your home's energy efficiency, cost savings, and comfort. Understanding the different types of insulation can help you determine which best fits your needs. Recognizing the signs that your attic needs more insulation allows you to address problems as they arise to ensure you can keep energy efficiency as high as possible. If you have more questions or are interested in professional attic insulation services, Custom Contracting's experts are ready to assist. Custom Contracting has over 20 years of experience in roofing and exteriors with unmatched customer service. We offer a lifetime warranty on our shingles and countless colours. Also, check out our financing solutions. Call us at 2892728553 or fill out our convenient online form to find out how we can help you with all roofing services.

Ready to Start Your Project?

Contact Custom Contracting today for expert advice and a free, no-obligation estimate on your next project.

Get Your Free Estimate
60% OFF
Installation
Limited Time Offer!
⏰ Ends October 31, 2025
✅ All Roofing, Siding, Windows & More

Get Your FREE Estimate!

Don't miss this 60% OFF offer! Contact us today.

📞 Call Us

(226) 799-4975

Open 24 Hours

📍 Visit Us

45 Worthington Dr Unit H
Brantford, ON N3T 5M1

📋 Request Your Free Quote

⚡ Limited spots available - Offer ends October 31!