Old Cellulose Attic Insulation

Second story addition with 40 year old r 19 insulation in the attic that could be replaced or added to.

Old cellulose attic insulation. Cellulose is recycled newsprint treated with a fire retardant. Here are some tips and precautions that should be taken. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Of attic space above the ground floor with no insulation and problematic access.

We are also hopeful of being able to take advantage of. Recycled glass or sand that s melted and spun into fibers. 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.

Many types of cellulosic materials have been used including newspaper cardboard cotton straw sawdust hemp and corncob. If you need commercial or home insulation in san diego or los angeles call us today for a free estimate 800 707 9278. Fiberglass is just that thin fibers of glass that trap air. 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. And approximately 550 sq. In general it looks like shredded gray paper. If you have loose fill insulation that is gray soft and without a shine it is probably cellulose insulation.

Cellulose is among the oldest types of building insulation material. Cellulose insulation is treated with boric acid which acts as a fire retardant pest repellent and aids the insulation in resisting mold and moisture. Cellulose contains a high percentage of recycled paper and does not contain minerals. The loose material is easily blown into cracks crevices and hard to reach areas of an attic space.

Monticello was insulated with a form of cellulose. 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. In this unfortunate journey i have learned a lot about cellulose insulation and insulation installers.

If this sounds like what you have it is likely cellulose insulation which contains a higher amount of recycled paper without minerals. We are interested in the new owens corning pure safety insulation if you install it. A closer inspection indicates this gray puffy material has no minerals but appears like gray shredded paper.