Dense Pack Cellulose Wall Insulation

When we blow them with insulation we dense pack them to around 3 5 lb ft 3 56 kg m 3 density the leakage drops to 0 04 to 0 2 cfm ft 2 at 0 3 in.

Dense pack cellulose wall insulation.

Of 2 12 rafters at 3 8 lb. Bag of cellulose will cover approximately 15 sq. Me thods and verification of density high density cellulose. Of 2 6 wall at 3 5 lb.

The installer fills the cavities with dense pack cellulose in a way that crushes the existing insulation without balling up the batts achieving a full uniform application of the new cellulose fiber. Dense pack cellulose insulation. A 10 x 10 area equal 100 square feet. In new construction this can be done after rough wiring and plumbing and either before netting the cavities or after adding finish drywall.

Has the greatest advantage in houses with leaky walls especially walls where one cavity is connected to the next plaster and lathe. In general one 25 lb. It can often be installed over existing insulation without removing the old insulation letting you reach the necessary r value with no fuss. 5 this is unbelievably impressive.

The thicker the framing the denser the cellulose will need to be in order to be self supporting. The r value per inch decreases slightly as density is increased from 3 0 to 4 0 lbs ft3. The r value of wet spray and dense pack cellulose insulation depends slightly on its installed density and the exact type of cellulose used but commonly ranges between 3 6 and 3 8 per inch 1 as measured by the standard astm c518 test. Dense pack cellulose insulation is when cellulose is blown under heavy pressure into an enclosed wall cavity.

High r values and reduces leakiness significantly. The goal on any application is to assure complete coverage that is installed at a density that will not settle over time. I think i mentioned this earlier. The dense pack cellulose insulation cost estimator will provide you with up to date pricing for your area.

Dense packed cellulose insulation the history. This home was built with dense packed or dense blown cellulose as the wall insulation of choice. Their intent was to produce a better built home with the goal of creating a proper balance between additional efficiency and price such that it would be attractive to future clients. Simply enter your zip code and the square footage next click update and you will see a breakdown on what it should cost to have dense pack cellulose insulation installed in your home.