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.
In general one 25 lb.
This home was built with dense packed or dense blown cellulose as the wall insulation of choice.
Bag of cellulose will cover approximately 15 sq.
Of 2 6 wall at 3 5 lb.
High r values and reduces leakiness significantly.
The thicker the framing the denser the cellulose will need to be in order to be self supporting.
The dense pack cellulose insulation cost estimator will provide you with up to date pricing for your area.
Loose filledsanctuary loose fill can also be blown in or dense packed into walls and floors and it works great in attics.
It can often be installed over existing insulation without removing the old insulation letting you reach the necessary r value with no fuss.
0 2 to 1 0 l s m 2 at 75 p.
The r value per inch decreases slightly as density is increased from 3 0 to 4 0 lbs ft3.
Dense pack cellulose insulation.
5 this is unbelievably impressive.
I think i mentioned this earlier.
In 2005 metric homes of carp ontario designed and built canada s first energy star labelled home in canada.
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.
Has the greatest advantage in houses with leaky walls especially walls where one cavity is connected to the next plaster and lathe.
The goal on any application is to assure complete coverage that is installed at a density that will not settle over time.
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 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.
Of 2 12 rafters at 3 8 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.