Sawdust Insulation In Attic Old

Affix rigid foam insulation to the attic side of the hatch or door.

Sawdust insulation in attic old.

In order to increase energy efficiency i would like to re insulate the attick. Does the job and easy to do. Shredded newspaper or loose fill cellulose was another common insulation in the past. Seaweed in the maritimes and sawdust in the rest of canada were common insulation materials in the old days.

My house has an original old part and a new addition. 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 hatch or door. This page contains a list of research papers on the use of sawdust as an insulation material.

Faced insulation should not be placed on top of existing insulation in the attic. I have an old house with an attic that is insulated with saw dust. Newspapers sawdust catalogs and just about any cheap or free cellulose have all been used to provide minimal insulation in old homes. To improve the comfort of the home pictured above one solution is to remove the wood chip insulation and re insulate the entire attic cavity with blown in fibreglass insulation.

I have warm attic in old part and cold attic in addition so i have both of those setups. 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. Before you install insulation over the sawdust check the attic for old knob and tube wiring commonly installed from the late 1800s until the late 1950s. Sometimes wood products such as sawdust or balsa wood were used at insulation in old homes but these are very ineffective.

Knob and tube wiring is made of two individual wires that run through and are connected to porcelain insulators. In the original house insulation fiber is covered with hardboard so you don t breathe that fiber when you are in the attic. 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. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

Attic insulation looks like sawdust. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. All about wood chip insulation october 27 2014 1 01 am. I have two questions.

Pull down stair or ladder. 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.