When we seal the attic with spray foam it s as tight as a butter tub.
Can you spray foam attic ceiling.
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.
That s how you can save up to 40 on your energy bills.
But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor.
Spray foam insulation is an insulating air barrier material that works by sealing the walls floors and ceiling cavities from airflow.
Yes using spray foam we have added your attic to the conditioned space.
And the benefits range from much lower utility bills to fewer pests to reduced sound transfer.
If you re using the attic for living space then you need to insulate the rafters.
However in a traditionally insulated attic insulation on the ceiling the attic is vented.
The installer sprayed foam directly on the metal flues.
You should never do this.
Sealing the top of the house keeps the air you paid to heat and cool inside your home.
Thus the air in the attic is connected with the air in the house.
It s quick and easy to do.
You ll also see another safety hazard and code violation.
If you look closely you ll see two exhaust flues on the left side.
Insulate your attic floor unless you intend to use the attic for living space.
It s important you spray foam attic rafters only if you need to.
If you leave the insulation in the attic floor after insulating the roofline the attic will be cooler in winter than if you remove the insulation.
Using spray foam insulation in an attic is a popular energy saving project.
If you re not do the attic floor.
Here s the answer to the question posed in my article title.