Old Cellulose Attic Insulation

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Old cellulose attic insulation.

Second story addition with 40 year old r 19 insulation in the attic that could be replaced or added to. Recycled glass or sand that s melted and spun into fibers. 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. Of attic space above the ground floor with no insulation and problematic access.

And approximately 550 sq. Many types of cellulosic materials have been used including newspaper cardboard cotton straw sawdust hemp and corncob. 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.

Here are some tips and precautions that should be taken. We are also hopeful of being able to take advantage of. In this unfortunate journey i have learned a lot about cellulose insulation and insulation installers. Cellulose insulation is treated with boric acid which acts as a fire retardant pest repellent and aids the insulation in resisting mold and moisture.

A closer inspection indicates this gray puffy material has no minerals but appears like gray shredded paper. If you need commercial or home insulation in san diego or los angeles call us today for a free estimate 800 707 9278. Monticello was insulated with a form of cellulose. Cellulose is among the oldest types of building insulation material.

Fiberglass is just that thin fibers of glass that trap air. Cellulose contains a high percentage of recycled paper and does not contain minerals. Before even calling any insulation companies have your attic checked by an hvac professional for loose torn damaged or old air ducts. 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. Cellulose is recycled newsprint treated with a fire retardant. 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.

Whether you want to insulate your attic or walls with fiberglass cellulose or radiant barrier we can help. If this sounds like what you have it is likely cellulose insulation which contains a higher amount of recycled paper without minerals. Have them repaired or replaced if needed.