Can you add new insulation on top? The answer, in many cases, is yes. Contact us for your free estimate, or keep reading to learn more about adding insulation to your Maryland home! 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, according to ENERGY STAR :.
Professionals can answer any questions you have about putting new insulation on top of existing insulation — and handle your entire home insulation project. Our insulation professionals follow these established industry practices to ensure you get the best performance and highest level of energy efficiency from your insulation installation. Accurate Insulation is happy to handle all the details of your new insulation installation, including old insulation removal, if necessary.
The simplest answer is to look, measure and audit. From the attic hatch, look around in every direction. If you can see the floor joists boards about eight inches high spread a few feet apart across the attic floor , you probably need more insulation. Loose-fill fiberglass is the best insulation material to use when adding more to your attic. Adding blown-in insulation over existing rolls is not a problem. No, faced insulation should not be added over existing insulation since the vapor retarder on top of or between layers of insulation can trap moisture.
Let Accurate Insulation handle your home insulation project from start to finish. Contact us online or give us a call today. The answer depends on where you live. Typically, houses in warm-weather states should have an R insulation in the attic, whereas houses in cold climates should have R These insulation levels will keep heated air from migrating out in winter. In a cooling climate, a good blanket of attic insulation helps keep the house cooler and reduces the load on air-conditioning equipment.
Most attics are insulated with blown-in loose cellulose R Cellulose is recycled newsprint treated with a fire retardant. Fiberglass is just that — thin fibers of glass that trap air. To determine if you need more insulation, measure what's in place with a ruler or tape. The chart included below shows you the approximate thickness of each type of insulation you should ideally have in the attic.
When you do the measuring, make sure you have plenty of light to work by, and work on a cool day. And be careful not to step through the ceiling. You can install fiberglass batts yourself right over existing insulation, but follow these precautions:. A tightly sealed house is just as important as insulation. In the summer months, warm air builds up in the attic and invades down below. Hot air is always seeking cold air. Insulation is the best way to keep it where you want it. This leads us to one of the most frequently asked questions among Colorado homeowners: can I add new insulation over old insulation?
Remove any wet insulation. Wet insulation can lead to mold, mildew, or even the rotting of your ceiling or roof rafters. In fact, you can add new insulation over the existing installation in other areas of your home, not just the attic. Rather, you should decide on the material that best meets your current needs, considering all of the following:.
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