Old Cellulose Attic Insulation

Cellulose is recycled newsprint treated with a fire retardant.

Old cellulose attic insulation.

Of attic space above the ground floor with no insulation and problematic access. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. 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. Whether you want to insulate your attic or walls with fiberglass cellulose or radiant barrier we can help. Before even calling any insulation companies have your attic checked by an hvac professional for loose torn damaged or old air ducts. Cellulose insulation is treated with boric acid which acts as a fire retardant pest repellent and aids the insulation in resisting mold and moisture.

Second story addition with 40 year old r 19 insulation in the attic that could be replaced or added to. A closer inspection indicates this gray puffy material has no minerals but appears like gray shredded paper. Many types of cellulosic materials have been used including newspaper cardboard cotton straw sawdust hemp and corncob. Monticello was insulated with a form of cellulose.

If you have loose fill insulation that is gray soft and without a shine it is probably cellulose insulation. And approximately 550 sq. Have them repaired or replaced if needed. Fiberglass is just that thin fibers of glass that trap air.

In general it looks like shredded gray paper. Cellulose contains a high percentage of recycled paper and does not contain minerals. 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.

Recycled glass or sand that s melted and spun into fibers. If you need commercial or home insulation in san diego or los angeles call us today for a free estimate 800 707 9278. In this unfortunate journey i have learned a lot about cellulose insulation and insulation installers. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.

We have a 700 sq. Cellulose is among the oldest types of building insulation material. 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.