Sawdust Insulation In Attic Old

I have two questions.

Sawdust insulation in attic old.

This page contains a list of research papers on the use of sawdust as an insulation material. Vermiculite and perlite are older granulated insulations with relatively low r values which describes the product s thermal resistance. Shredded newspaper or loose fill cellulose was another common insulation in the past. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

I have an old house with an attic that is insulated with saw dust. My house has an original old part and a new addition. Newspapers sawdust catalogs and just about any cheap or free cellulose have all been used to provide minimal insulation in old homes. Seaweed in the maritimes and sawdust in the rest of canada were common insulation materials in the old days.

All about wood chip insulation october 27 2014 1 01 am. Commercial extruded polystyrene sheets and fiberglass insulation are expensive especially in the quantities required in solar passive homes hence the importance of local replacement materials. Attic hatch or door. In order to increase energy efficiency i would like to re insulate the attick.

Although insulation professionals will handle the installation for you here are some things to keep in mind about removing old insulation and installing new insulation over old insulation according to energy star. Attic insulation looks like sawdust. I have warm attic in old part and cold attic in addition so i have both of those setups. If they are still light and fluffy they are still insulating your home although not the best of insulating materials.

If your home is old enough 19th century your attic insulation that looks like sawdust could be sawdust. Faced insulation should not be placed on top of existing insulation in the attic. Pull down stair or ladder. In the original house insulation fiber is covered with hardboard so you don t breathe that fiber when you are in the attic.

1 what is the best bang for my buck ie vs r value 2 should i take out the sawdust before putting new insulation in. Does the job and easy to do. That is why we often just add new insulation right over the top of these old ones in an attic it is just not worth the mess of cleaning the old stuff out. Affix rigid foam insulation to the attic side of the hatch or door.

Sometimes wood products such as sawdust or balsa wood were used at insulation in old homes but these are very ineffective. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.