Old Cellulose Attic Insulation

Monticello was insulated with a form of cellulose.

Old cellulose attic insulation.

Recycled glass or sand that s melted and spun into fibers. Cellulose is among the oldest types of building insulation material. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Fiberglass is just that thin fibers of glass that trap air.

The loose material is easily blown into cracks crevices and hard to reach areas of an attic space. Cellulose is recycled newsprint treated with a fire retardant. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. We are also hopeful of being able to take advantage of.

If this sounds like what you have it is likely cellulose insulation which contains a higher amount of recycled paper without minerals. And approximately 550 sq. In general it looks like shredded gray paper. Cellulose contains a high percentage of recycled paper and does not contain minerals.

If you need commercial or home insulation in san diego or los angeles call us today for a free estimate 800 707 9278. 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. Of attic space above the ground floor with no insulation and problematic access. A closer inspection indicates this gray puffy material has no minerals but appears like gray shredded paper.

We have a 700 sq. Second story addition with 40 year old r 19 insulation in the attic that could be replaced or added to. In this unfortunate journey i have learned a lot about cellulose insulation and insulation installers. Here are some tips and precautions that should be taken.

We are interested in the new owens corning pure safety insulation if you install it. If you have loose fill insulation that is gray soft and without a shine it is probably cellulose insulation. 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. Before even calling any insulation companies have your attic checked by an hvac professional for loose torn damaged or old air ducts.

Many types of cellulosic materials have been used including newspaper cardboard cotton straw sawdust hemp and corncob. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics. The vapor retarder on top of or between layers of insulation can trap moisture.