Old Cellulose Attic Insulation

The loose material is easily blown into cracks crevices and hard to reach areas of an attic space.

Old cellulose attic insulation.

Second story addition with 40 year old r 19 insulation in the attic that could be replaced or added to. Lighter in weight than cellulose or mineral wool but it settles more than those materials so you ve got to put in a thicker layer to get the protection you need. Cellulose is recycled newsprint treated with a fire retardant. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics.

Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch. Here are some tips and precautions that should be taken. Recycled glass or sand that s melted and spun into fibers. Before even calling any insulation companies have your attic checked by an hvac professional for loose torn damaged or old air ducts.

Have them repaired or replaced if needed. Cellulose is among the oldest types of building insulation material. Many types of cellulosic materials have been used including newspaper cardboard cotton straw sawdust hemp and corncob. Cellulose contains a high percentage of recycled paper and does not contain minerals.

Fiberglass is just that thin fibers of glass that trap air. Whether you want to insulate your attic or walls with fiberglass cellulose or radiant barrier we can help. Monticello was insulated with a form of cellulose. Of attic space above the ground floor with no insulation and problematic access.

Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. In general it looks like shredded gray paper. If this sounds like what you have it is likely cellulose insulation which contains a higher amount of recycled paper without minerals. We have a 700 sq.

And approximately 550 sq. Cellulose insulation is treated with boric acid which acts as a fire retardant pest repellent and aids the insulation in resisting mold and moisture. If you have loose fill insulation that is gray soft and without a shine it is probably cellulose insulation. In this unfortunate journey i have learned a lot about cellulose insulation and insulation installers.

We are interested in the new owens corning pure safety insulation if you install it. The vapor retarder on top of or between layers of insulation can trap moisture. We are also hopeful of being able to take advantage of.