Yes, it all makes sense to you now. You just realized that insulation up there is just as old as the house. Other things to take into consideration is that some building codes require the removal of old insulation. Also, many energy efficiency programs will help with the cost of having spray foam installed but require the removal to be done.
You can check with Energy Star and most government programs for more information on assistance. Again every home is different and in some cases removal might not be necessary. But those decisions were based of 10 plus years of hands on experience in the business. Previous Next. View Larger Image. So here are the 3 options with removal. To Prevent Moisture Issues Think about how hot your attic gets as well as the dew point.
Storm damage, a leaky roof, or even AC condensation spilling out can damage your insulation. Depending on the material, insulation can absorb and hold water for a very long time. To add insult to injury, wet insulation loses its effectiveness at blocking temperatures between your home and your attic. Even insulation that was previously wet but has dried may have still lost its effectiveness.
Fortunately, only affected portions of the insulation should be removed and reinsulated. As previously said, pests can be a problem. One of the worst problems you can experience that require attic insulation removal is a rat infestation. Rats build nests among the insulation and we all know how quickly rats multiply. This is particularly bad as rat droppings and urine are health hazards to you and the air you breathe.
If you have a rat problem in your attic, it should be dealt with accordingly and your attic should be completely cleaned and disinfected.
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.
However, if you do not wish to install the new insulation over the mould-exposed insulation to avoid mould spreading. Insulation removal will be necessary.
Furthermore, if rats or other rodents have infested the original insulation, it is likely to have droppings and urine. In case you notice these kinds of signs, then removal is necessary. Insulation removal in Toronto will involve using a high-powered vacuum.
This device will be used to suck out dirt, debris and insulation material from the desired areas without the insulation material getting into other living spaces. It is also possible to remove specific sections of the insulation that have been affected rather than getting rid of all the old insulation, however, it depends on the situation.
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