Attic Insulation and Rodent Proofing in Toluca Lake

Attic Insulation and Rodent Proofing in Toluca Lake

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The average home in Toluca Lake was built in 1965. Living in Toluca Lake is not without its benefits. Being in Central Los Angeles means that there is plenty to do, and Toluca Lake is no exception. With everything from beautiful architecture to breathtaking views, it is amazing that more people do not live there. 

Your attic is a key player when it comes to whole-home comfort and energy efficiency. The combination of your roof system, adequate attic design and insulation, and ventilation work together to keep conditioned air inside and regulate temperatures, so they don’t vary much from your preferred thermostat settings.  Proper installation of a radiant barrier is essential to ensure it performs as advertised. But, as we’ve mentioned before, the attic is part of a system that includes roofing materials, insulation adequacy, and ventilation. Therefore, an issue in any one of those departments negatively impacts radiant barrier performance. 

New Insulation Over Existing Layers in Toluca Lake

According to Energy Star, you can put new insulation over old insulation, “unless it is wet. If it is wet or appears that the insulation has previously been wet, you should look for the cause and repair the problem…” Wet insulation is problematic, as it can lead to mold, mildew and sometimes the rotting of ceilings or roof rafters.

Although insulation professionals will handle the installation for you, here are some things to keep in mind about removing old insulation and installing new insulation over old insulation.

  • “Faced” insulation should not be placed on top of existing insulation in the attic. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder (face). The vapor retarder on top of or between layers of insulation can trap moisture. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.
  • Batt or rolled insulation or blown loose-fill insulation (fiberglass or cellulose) can be installed on top of old insulation.
  • Insulation should be rolled out perpendicular to the joists — and unfaced rolls should be used.
  • Rolled insulation should not be tacked down. The R-value can be reduced if the insulation is squashed or flattened.
  • It’s recommended to air seal before installing insulation since air leaks can hinder the performance of insulation and significantly reduce the energy efficiency and comfort of your home.

The most important thing to keep in mind is that you don’t have to worry about all this. Professionals at Neo Attic Solutions In Toluca Lake can answer any questions you have about putting new insulation on top of existing insulation — and handle your entire home insulation project.

Contact Neo Attic Solutions to schedule a free, no-obligation consultation. We can look into your attic and crawl spaces to identify what if anything would make a difference for your comfort and peace of mind. 

Call us for a FREE INSPECTION today!