Truevalue stores offer cocoon insulation at less than 10 per 19 pound bag.
Old attic walls made of paper.
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.
Home depot sells greenfiber in individual bales by the pallet and offers an all borate product.
Most often used for attics since most heat enters through the attic.
Always read manufacturers instructions and safety guidelines before beginning your project.
You can install it in your home usually in the attic to save energy and insulate the house.
Made from a reflective material such as aluminum foil over a substrate like kraft paper or foam board.
It needs a certain amount of loft to work properly.
Handy homeowners can install blown in insulation in the attic.
Best for attics unfinished walls ceilings floors and attached garages in hot climates.
It is priced at about 12 for a 19 pound bag.
Manufactured by greenfiber it also contains up to.
Now that we know the old attic insulation types on the market the question is whether there is a newer more modern alternative available.
Not measured in r values.
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.
Greenfiber is described by the manufacturer as made with up to 85 recycled material and has an r value of 3 7 per inch.
The most common blown in material used but it can rot and grow moldy if exposed to moisture.
How to replace it.
It likely has the same 100 year old kraft paper behind it that provides virtually no water proofing support.
Recycled clothing insulation has been properly treated for fire safety.
Fibers from recycled post consumer paper that are treated for insect and fire resistance.
Use r 30 insulation for the ceiling and r 13 for the walls.
Staple insulation between the wall studs and ceiling joists image a.
One of the more sophisticated products lately is spray foam insulation.
Please note simply placing your old clothes around the attic constitutes a fire hazard not to mention a possible nesting haven for rodents.
As we mentioned at the beginning insulation has come a long way in the past several years.
Fibers from rock or recycled slag from blast furnaces.
Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.
If building a knee wall for storage like karl did with this project make sure to insulate that area as well.
Loose fill insulation comes in a variety of materials.
Designed to keep your home cool.
Cellulose insulation an eco friendly alternative to conventional insulation primarily comprises newspaper shreds.