A roof is more than simply the visible outer surface material. A roof is a system of interlocking components that must work together to ensure optimal performance. A home’s insulation and ventilation adjacent to the roof are two essential roofing system components. If a home lacks sufficient attic insulation and ventilation, the roofing system will fail to function correctly.
When insulation or ventilation problems arise, too much indoor heat might become trapped in the house, making it unable to escape. Likewise, cool, refreshing outside air will not have a veritable means to enter the home to offset the stale, warm air. Other issues (e.g., excess moisture and condensation, formation of mold or mildew, etc.) may also occur.
4 Benefits Of Good Attic Insulation & Ventilation
Consider the following advantages of pursuing reasonable levels of attic insulation and an effective ventilation system for your home:

Ensuring Reasonable Attic Insulation
Most homeowners don’t consider the critical importance of adequate attic insulation to their homes’ overall well-being. However, it is a factor that cannot be overlooked.
Understanding R-Value In Assessing Insulation
Attic insulation is measured by the R-value (resistance value). An R-value reveals how well a variety of insulation will perform to prevent heat loss. R-value ratings typically vary based on the density, thickness, and type of insulation material. A higher R-value provides greater energy efficiency and better indoor climate control. In Michigan, experts recommend attic insulation be between 49 and 60 as reasonable. Essentially, attic insulation should be 14 to 20 inches thick.
3 Tips For Ensuring Reasonable Attic Insulation
As a homeowner, you can take simple steps to guarantee reasonable insulation:
- Seal Air Pockets Adjacent To The Attic Insulation
Your house may have a reasonable level of attic insulation. However, if air leaks exist adjacent to the insulation, you could face potential problems. Outside factors (e.g., moisture intrusion, pest invasion, etc.) might adversely influence the performance of your insulation and reduce its efficiency.
- Select The Right Insulation For Your Home’s Attic
Many types of insulation exist. For example, blown-in/loose-fill insulation is frequently used in an attic. However, insulation blankets (batts and rolls) are another common alternative. Understanding what option makes the most sense for you may require guidance from a knowledgeable professional.
- Verify The Insulation Level With A Visual Inspection
If your attic insulation is level with or below the floor joists, you likely need more insulation. Additionally, if insulation is not evenly distributed across the attic, it might not perform as well as necessary. A reputable roofing contractor can assist you in measuring the sufficiency of your attic insulation.
The Importance Of Proper Attic Ventilation

All humans require lungs to breathe in oxygen and release carbon dioxide. A house needs reasonable ventilation to allow fresh outdoor air to enter (through an intake vent) and warm inside air to escape (via an exhaust vent). This exchange system enables air circulation to flow freely.
Experts generally recommend that the average house possess one square foot of ventilation for every 300 square feet of attic space. However, every attic space is unique and may have different requirements based on other factors (such as the home’s geographical location).
Hiring An Expert Installer Of Attic Insulation & Ventilation
If you own a home in Grand Rapids, MI, or surrounding areas, trust the professionals at Moore and Sons Roofing to address your attic insulation and ventilation needs. We know how to identify issues and provide reasonable solutions. Contact us today to learn more or to schedule an appointment (and receive a free estimate).