5 this is unbelievably impressive.
Dense pack cellulose wall insulation.
Has the greatest advantage in houses with leaky walls especially walls where one cavity is connected to the next plaster and lathe.
Dense pack cellulose insulation is when cellulose is blown under heavy pressure into an enclosed wall cavity.
Dense packed cellulose insulation the history.
In general one 25 lb.
Of 2 6 wall at 3 5 lb.
The r value per inch decreases slightly as density is increased from 3 0 to 4 0 lbs ft3.
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.
Bag of cellulose will cover approximately 15 sq.
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.
0 2 to 1 0 l s m 2 at 75 p.
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.
It can often be installed over existing insulation without removing the old insulation letting you reach the necessary r value with no fuss.
Of 2 12 rafters at 3 8 lb.
The dense pack cellulose insulation cost estimator will provide you with up to date pricing for your area.
This home was built with dense packed or dense blown cellulose as the wall insulation of choice.
High r values and reduces leakiness significantly.
I think i mentioned this earlier.
In new construction this can be done after rough wiring and plumbing and either before netting the cavities or after adding finish drywall.
Me thods and verification of density high density cellulose.
The thicker the framing the denser the cellulose will need to be in order to be self supporting.
The goal on any application is to assure complete coverage that is installed at a density that will not settle over time.
Dense pack cellulose insulation.
A 10 x 10 area equal 100 square feet.
Loose filledsanctuary loose fill can also be blown in or dense packed into walls and floors and it works great in attics.