Dense Pack Cellulose Insulation Cathedral Ceiling

By filling the entire cavity with a dense pack you get the highest insulation ratings fiberglass or cellulose can achieve.

Dense pack cellulose insulation cathedral ceiling.

So bees ants and termites won t find that ceiling so inviting. It is a. There are several major advantages to dense packing completely filling a cathedral ceiling cavity with cellulose. Figure 3 looks a whole lot better.

How can one be certain that the cavities are full and are there moisture concerns. Many cellulose manufacturers and veteran installers claim problem free slant and unvented cathedral ceiling installations though i would recommend against it and that s probably because most roofing in existing homes does breathe to some extent and the dense pack significantly reduces air flow to the roof deck and can also safely store and. This makes it much more difficult for air to move through the. Larry janesky of dr.

The insulation installer is recommending opening the soffits and ridge. Don t be dense cellulose and dense pack insulation. Cellulose dense pack cathedral ceiling. You achieve the maximum insulating capacity.

Thank you glenn berger. Shingles roof felt ice guard osb taped seams dense pack cellulose intello drywall paint. The insulation will continue to keep the cavity filled. The 475 blog has a new post about unvented dense pack cellulose cathedral ceiling flat roof systems using intello membrane on the inside to allow the assembly to dry to the inside.

First the good stuff. In unvented cathedral ceilings greenfiber stabilized insulation or greenfiber loose fill insulation is dry dense packed over an air impermeable insulation as prescribed per irc 2009. Cellulose is treated with borate a harmless naturally occurring mineral that has the ability to deter bugs. One of the most effective ways of dealing with existing uninsulated frame walls is to blow cellulose into the wall cavities.

First cellulose has a natural density about two times that of fiberglass batts and four to five times that of loose blown fiberglass. Advantages to dense packing. Energy saver uses a long pvc pipe against the chimney to fill the cathedral ceiling s rafter bays with dense pack cellulose insulation. Full of insulation and a well insulated building.

It is the dense packing of unvented cathedral ceilings or unvented flat roofs that is the problem. The pipe is inserted into each rafter bay through access openings made along the roof ridge. I am thinking about this and my assembly would look like.