Replacing Old Insulation In Attic

Old attic insulation is often inefficient and could lead to unnecessarily high energy bills.

Replacing old insulation in attic.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. There are a few telltale signs it s time to replace your old attic insulation with new insulation by able roof. This is likely the type of insulation you are most familiar with as it is the most common variety used in homes. Mold can grow from the warm humid atmosphere in an attic causing hazardous air quality for your home.

If your attic has old or dirty insulation it may be time to get it looked at and replaced. Just add non faced batt insulation on top of the existing. Removing the old insulation while most blown in insulation contains cellulose fibers if the house was built and insulated before 1950 the insulation might contain asbestos. A typical insulation project can range from 1 500 to 5 000 depending on the size of the project.

If your crawl space or attic insulation is ineffective it can create problems with indoor air quality temperature regulation and heat transfer all of which can affect your roof. Dirty attic insulation on the other hand could have been the result of pests like rodents and birds that contaminated the insulation which can lead to an unhealthy home. Or you could blow in more insulation but then you ll find out what dust is really like. Nothing wrong with the old insulation unless it s been disturbed and compressed.

Plan to pull up the flooring and layer new insulation on top of the old. We typically work through and seal the attic bypasses with the existing insulation in place olson says. Signs it s time to replace insulation in. Any moldy insulation should be replaced immediately.

0but olson says in many cases the old insulation does not need to be removed which keeps costs down. You should also replace insulation if your roof has had a leak or you suspect water has gotten into the insulation.