Attic insulation keeps homes comfortable and energy-efficient. Learn how to inspect attic insulation (and what you can do if your insulation has problems).
Most people understand that attic insulation can help to keep a home’s temperatures in check. Even so, you may not be sure how much insulation your attic needs or what signs can indicate that your insulation should be replaced.
When you know a thing or two about the attic insulation inspection process, you won’t have to worry about missing problems with this material. Keep reading for an in-depth guide on how to inspect attic insulation (and what to do if you need attic insulation installation or other services).
Why Are Attic Insulation Inspections Crucial?
The average homeowner doesn’t spend much time thinking about attic insulation, but this material has multiple essential jobs to do. Your house’s insulation is responsible for:
- Controlling temperatures in your home. Without enough attic insulation, the upstairs rooms in your house could suffer from fluctuating temperatures.
- Keeping utility costs under control. The United States Environmental Protection Agency has said the typical homeowner stands to save about 15% on heating/cooling costs by installing insulation and air-sealing their home.
- Controlling indoor air quality. The insulation in your attic can prevent pollutants from outside from entering your home, protecting your house’s air quality in the process.
- Reducing noise pollution. Having enough attic insulation can reduce the level of outside noise that enters your home, as well.
Unfortunately, your insulation may not be fully functional if it’s dealing with issues such as age and damage. Along with that, you won’t fully enjoy these benefits if your insulation doesn’t have the right R-value for your climate. By visually inspecting and measuring your insulation every so often, you can make sure it stays in good shape (and replace it if the need arises).
Tips on Checking Your Insulation Levels
According to ENERGY STAR, here’s how homeowners can take care of:
Quick Insulation Level Checks
One of the easiest ways to gauge your attic’s insulation level is to compare your insulation with your attic’s floor joists. If your insulation is below or level with the floor joists, there’s a good chance you need to add more insulation. On the other hand, you probably have enough insulation if you can’t see any floor joists above this material.
The distribution of your attic insulation matters, too. If your insulation is unevenly distributed (for example, if you have a sufficient level of insulation in the middle of your attic but not enough along the eaves), your insulation may not be able to do its job like it should.
Insulation Level Measurement
The method described above can provide an “at-a-glance” look of your insulation levels, but there are also ways to get a more detailed understanding of this situation. If you use batt insulation, finding your insulation’s R-value will be as easy as checking the number printed on your batts.
The process of determining R-values for other types of insulation is slightly more complicated. To measure insulation levels in your attic, you’ll need to find the depth of your insulation with a measuring tape. Once you have that number, use this table to calculate your insulation’s R-value:
Insulation Type
Next, compare your R-value to the recommended R-value for your climate zone (which you can find at the ENERGY STAR link above). From there, you can decide whether or not you have enough insulation and schedule insulation installation as needed.
Does Your Insulation Have Other Problems?
Even if you have enough insulation in your attic, there are other factors that could leave this material unfit for use. Some warning signs to look out for during your insulation inspection include:
- Water damage. Leaks, humidity, and other sources of moisture can all point to trouble with your insulation.
- Temperature issues. If your home is too hot, cold, or drafty, there’s a good chance that your insulation isn’t as effective as it should be.
- The presence of pests. Can you see droppings or hear scratching sounds in your attic? If so, you may have an infestation of rodents or other pests, and these creatures can easily shred insulation and use it for their own purposes.
- Aging insulation. Insulation materials lose their effectiveness over time. When it’s been 15-20 years since you last installed insulation, you may need to remove and replace this material.
- Mold growth. If you have mold on attic insulation, this material should be disposed of immediately. Even if you can’t see mold on your insulation, mold growth could be hiding there, especially if you’ve started noticing a musty smell in your attic.
- High heating and cooling costs. Have your energy expenses been skyrocketing lately? Less-than-effective attic insulation may be to blame.
- Weather damage. Storms, house fires, and even strong winds can do serious damage to your home’s insulation.
Safety Tips to Remember During Insulation Inspections
If you’re checking insulation in an older home, you’ll need to watch out for vermiculite insulation—a form of insulation that can contain asbestos. During your inspection, keep an eye out for insulation that consists of a “pebble-like” gray, gold, or light brown material. If you find material that matches this description, there’s a good chance that you have vermiculite insulation, and you should stop inspection work immediately.
Still, asbestos isn’t the only significant health risk that can arise during insulation inspections. When you’re checking insulation in your attic, look out for nails pointing down from the roof deck and up from the ceiling. Additionally, be sure not to step on insulation or ceiling drywall, as doing so could cause you to fall through your ceiling.
Know Where to Turn for Attic Inspection and Insulation Services
Now that you know how to inspect attic insulation, you may be wondering what to do when you find problems with this material. Hiring insulation experts is the safest, quickest, and easiest way to take care of jobs like insulation installation and removal. No one does this work better than the team at Attic Projects, so get started by contacting us today!