Wallspray cellulose insulation is often used in new construction. The cellulose is sprayed directly into the cavities, between the studs and against the exterior sheathing, filling them completely, leaving no gaps or voids.
Spray Insulation being installed
Above we have a newly sprayed wall. The cellulose insulation is tight and flush with studs. NO EMPTY SPACE
Above is a typical foam job. Much harder to fill the space, you can see the many gaps and holes allowing air loss and moisture to collect
Cellulose Insulation - best value for most wall applications. Sprayed cellulose flows around wiring and plumbing and fills irregular voids by over-spraying them, then trimming flush.
Sprayed Cellulose Insulation - Higher R Value than Open Cell Foam
Cellulose & open cell Foam are same R value IF foam is installed flush with studs
As the dry cellulose insulation is blown from the applicator hose, a small amount of water is added, activating the starches in the cellulose so it adheres to the surfaces within the wall and ceiling cavities. Just enough water is added to ensure good adhesion within the cavity.
The wall cavity is actually overfilled, until the cellulose extends beyond the face of the studs or rafters. The excess material is removed using a rotating scrubber brush, leveling the insulation with the face of the studs or rafters. The small amount of moisture added dries quickly, usually within 24 to 48 hours, and is then ready for drywall. The excess material is recycled back to the blowing machine by a return hose.
Because this technique requires very specialized equipment and training, it must be performed by experienced installers.
Cellulose Insulation Manufacturer's Association- on Installing Insulation
Read review of Wallspray
My experience:"$100 per month "
FOR YOUR PROTECTION
Licensed (Alabama State License)
Insured (2 Million Liability)
BBB Care Program
Energystar Home Ally
Cellulose Performance Stands the test of TIME!!
This wall was opened up FIVE YEARS later for remodeling. The wall is still filled completely and the cellulose is still tight around wiring and studs. No settling and still provides same R Value as day of installation. Delivering consistent insulation results year after year!
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