As we mentioned previously vermiculite can often come with some asbestos mixed into it.
Old brown attic insulation.
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.
Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.
The libby mine was closed down in 1990 meaning any homes that were built and or remodeled prior to their closing date could have attic.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
Signs of asbestos contamination.
Handy homeowners can install blown in insulation in the attic.
How much does attic insulation cost.
You can do it yourself for about 500.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
Insulation comes in a variety of colors.
Vermiculite attic insulation originated from the libby mine while 30 came from other sources.
Department of energy notes that 75 percent of mineral wool is derived from post industrial content.
Old attic insulation types.
I m not really talking about the problems with existing old home insulation but rather the topic of how and where should you add insulation to an old home.
The mineral expands when heated creating the lightweight and somewhat stony looking particles that make up the insulation.
It is made from a natural mineral material that is mined from the earth.
The problems with old home insulation.
Believe it or not there are situations in a home when you should remove the old attic insulation before adding more over the existing and in this short video.
About 70 of u s.
Loose fill insulation could contain asbestos if.
And as we all know asbestos hardly needs an introduction anymore.
Vermiculite insulation has a pebble like appearance and typically is a grayish brown or silvery gold color.
Your home was constructed prior to 1990.
Homes built before the mid 20th century were not built with the same techniques that we use today.
Blown in spray foam batts and blankets.
One of the biggest problems with old attic insulation types is that some of them are contaminated with asbestos.
Loose lay greyish brown insulation with wood or paper chunks cant tell to scared to touch it also has green and pink red flecks like paper but looking atr iut in operson it looks greyish more so than brown but when i take a picture it looks more brownish in the picture could be the light playing tricks but in real like its a couple more shades.