Old Blown In Attic Insulation

On 2020 05 08 by mod.

Old blown in attic insulation.

Loose fill insulation consists of natural or man made fibers that are blown into the ceiling cavity. As we mentioned previously vermiculite can often come with some asbestos mixed into it. One of the biggest problems with old attic insulation types is that some of them are contaminated with asbestos. Insulating the attic and roof.

If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos. Adding new insulation over old insulation. Blown in insulation is popular in spaces where it would be difficult to install insulation using other methods. Loose fill insulation comes in a variety of materials.

Batt or blanket insulation is made from glass or cotton fiber and comes in roll form usually in widths of 16 or 24 inches. In most cases homeowners will add new insulation over old insulation. Rigid insulation is extruded into board form and is often made of plastic. Always use unfaced batts both when laying product for the first time and to prevent moisture from becoming trapped between new and old layers of insulation.

You can buy them unfaced or simply remove the paper or foil backing. If you re shivering in an old house you may be tempted to hire someone to blow insulation in. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. How old is the insulation in your attic.

Some common insulation methods can actually cause long term damage. If you are unsure if asbestos is present you should hire a professional. Signs of asbestos contamination. Old attic insulation types.

And as we all know asbestos hardly needs an introduction anymore. 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. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation. If your structure is older it may contain asbestos insulation.

Before you take that step learn how to insulate an old house effectively. I m looking at a 1930s house that the inspection report listed as having loose fill fiberglass insulation in the attic however the photo of the insulation in the attic doesn t look like fiberglass to me. Blow in the fill between and over the joists rather than across them. There are test kits available to test for asbestos.

But that might be a bad idea.