Styrofoam Peanuts For Attic Insulation

In a wall cavity they would offer little resistance to air movement so they would be of limited r value.

Styrofoam peanuts for attic insulation.

That means the flow of heat energy is essentially blocked making it difficult for the heat to escape. Styrofoam peanuts good for insulation. I can get plenty of peanuts from work to dump in the attic and pour down the walls in between studs but don t have the money now to tear the whole thing out and put fiberglass in. The very reason why plastic peanuts work well as packing makes them a bad choice for wall insulation.

Would the peanuts help at all. But the problem with using packing peanuts for attic insulation is that while the individual peanuts may have an r value of about 4 0 per inch the peanuts have large air spaces between them which allows air currents to easily flow through a layer of packing peanuts. Styrofoam is exceptionally lightweight an excellent shock absorber and an effective insulator making it one of the most common plastics used in the manufacture of packing and insulating materials. The r value of polystyrene is about 4 0 per inch.

Osborn a former associate editor replies. Regarding this can styrofoam be used for insulation. Found my new to me house has no insulation. By using styrofoam packing peanuts to trap heat the peanuts reduce conduction and convection which means that packing peanuts can insulate.