Spray On Attic Ceiling Insulation

The higher the r value the better the thermal performance of the insulation.

Spray on attic ceiling insulation.

Loose fill or batt the common term for blanket insulation. The installer sprayed foam directly on the metal flues. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic.

Installing insulation attics one of the high tech insulation products being utilized these days is a foam spray product called icynene which is a foam that starts as two liquid components a and b if you will that are heated up and sent through two hoses and meet at a tip of a gun where the magic begins. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. When we seal the attic with spray foam it s as tight as a butter tub. Spray foam insulation kits.

Spray foam comes in two flavors open cell and closed cell and provides both parts of the building envelope the insulation and the air barrier. R value is a measure of insulation s ability to resist heat traveling through it. For pricing and availability. However in a traditionally insulated attic insulation on the ceiling the attic is vented.

For diy attic insulation you ve got two choices. For pricing and availability. Touch n foam touch n foam foam insulation kit. I d blow insulation on the attic floor after air sealing of course.

If you look closely you ll see two exhaust flues on the left side. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any gaps around plumbing pipes ceiling perforations and holes where electrical wires snake through. Insulation level are specified by r value. The building envelope should completely surround the conditioned space and the insulation needs to be in contact with the air barrier.

The attic you see in the photo here is a different home but it does have one feature in common besides the spray foam. Dow froth pak 200 sealant foam insulation kit. Make sure to seal all the way around the pipe says olson. You should never do this.

Both can be added to uninsulated attics or layered over existing material. The big disadvantage with spray foam is cost. The table below shows what levels of insulation are cost effective for different climates and locations in the home. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.