Old Brown Attic Insulation

If either of these situations are the case it s time to remove insulation.

Old brown attic insulation.

Vermiculite insulation has a pebble like appearance and typically is a grayish brown or silvery gold color. Brown insulation is made up of mineral wool which comes from either rock natural materials or slag the scum on the surface of molten metal. If the insulation lays flat. It is made from a natural mineral material that is mined from the earth.

If the insulation particles have a certain colour usually grey brown or silver gold. Old attic insulation is often inefficient and could lead to unnecessarily high energy bills. 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. Vermiculite loose fill insulation is one of the most common household materials that contains asbestos.

Brown insulation is available in either blanket rigid foam board or loose fill form. If your home was built before 1990 chances are you have one of the old attic insulation types. The particles of the insulation have an accordion like texture. Here are some guidelines.