Should I Replace or Add More Insulation?

If your insulation is wet or damaged, it is highly recommended that you replace it before applying a new coat. Otherwise, the problem will spread throughout the new insulation and could cause significant damage to the roof structures. If the insulation is in good condition, a new layer can be placed on top without difficulty. Removing insulation in Toronto can be expensive and time-consuming, so it is important to understand when uninstallation may be necessary.

This device will be used to suck dirt, debris, and insulating material out of desired areas without the insulating material entering other living spaces. It causes isolation to lose effectiveness and, instead of offering a solution, isolation makes things worse. In addition, condensation leaks in air conditioning systems, ventilation problems, and wet insulation caused by poorly ventilated bathroom fans can damage insulation. According to the International Association of Certified Inspectors, the lifespan of attic insulation is about 80 years or more, depending on the insulation material you choose. Any space where spray foam insulation is installed, such as the attic, mezzanine, edge joist, or open walls during a remodel, will require complete removal of the old insulation. This process of removing attic insulation can take you between five and eight hours, depending on the size of the attic.

Expert contractors who specialize in insulation advise that it is best to remove old fiberglass insulation before installing a new cellulose insulation due to the possibility of fungus, mold, or rodent excrement. In 15 years, attic insulation can degrade due to several factors such as humidity, heat, humans, and animals. Old attic insulation, mezzanine, and tire joist don't do you any favors and make it difficult to install your new spray foam insulation. If your insulation has been converted to a condo for these animals then it would be best to remove it before adding new insulation because attics are empty spaces where you can store your personal items regardless of their effect on insulation. In conclusion, if your attic insulation is wet or damaged then it should be replaced before adding a new layer. If it is in good condition then you can simply add a new layer without having to remove the old one.

However, if there are any signs of mold or rodent excrement then it should be removed before installing a new layer.