Staple insulation between the wall studs and ceiling joists image a.
Old attic walls made of paper.
Loose fill insulation comes in a variety of materials.
Don t mash or compress the insulation into the space.
Recycled clothing insulation has been properly treated for fire safety.
You can install it in your home usually in the attic to save energy and insulate the house.
Manufactured by greenfiber it also contains up to.
Home depot sells greenfiber in individual bales by the pallet and offers an all borate product.
The most common blown in material used but it can rot and grow moldy if exposed to moisture.
Fibers from rock or recycled slag from blast furnaces.
Use r 30 insulation for the ceiling and r 13 for the walls.
How to replace it.
Now that we know the old attic insulation types on the market the question is whether there is a newer more modern alternative available.
Fibers from recycled post consumer paper that are treated for insect and fire resistance.
It needs a certain amount of loft to work properly.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
Greenfiber is described by the manufacturer as made with up to 85 recycled material and has an r value of 3 7 per inch.
Truevalue stores offer cocoon insulation at less than 10 per 19 pound bag.
Not measured in r values.
If building a knee wall for storage like karl did with this project make sure to insulate that area as well.
Cellulose insulation an eco friendly alternative to conventional insulation primarily comprises newspaper shreds.
Handy homeowners can install blown in insulation in the attic.
Always read manufacturers instructions and safety guidelines before beginning your project.
Designed to keep your home cool.
Made from a reflective material such as aluminum foil over a substrate like kraft paper or foam board.
Best for attics unfinished walls ceilings floors and attached garages in hot climates.
It likely has the same 100 year old kraft paper behind it that provides virtually no water proofing support.
There are a couple creative yet expensive ways i would consider retroactively insulating the walls of an old house if you are in a far northern climate where it might make financial sense.
Install cellulose insulation by blowing it into the cavities in the attic with an blower machine.
Please note simply placing your old clothes around the attic constitutes a fire hazard not to mention a possible nesting haven for rodents.
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.
One of the more sophisticated products lately is spray foam insulation.
It is priced at about 12 for a 19 pound bag.