Using spray foam insulation in an attic is a popular energy saving project.
Can you spray foam attic ceiling.
That s how you can save up to 40 on your energy bills.
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.
The attic you see in the photo here is a different home but it does have one feature in common besides the spray foam.
You should never do this.
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 look closely you ll see two exhaust flues on the left side.
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.
But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor.
If you re not do the attic floor.
Yes using spray foam we have added your attic to the conditioned space.
Thus the air in the attic is connected with the air in the house.
It s quick and easy to do.
The installer sprayed foam directly on the metal flues.
And the benefits range from much lower utility bills to fewer pests to reduced sound transfer.
You ll also see another safety hazard and code violation.
Here s the answer to the question posed in my article title.
This foam can be placed around light fixtures electrical outlets windows and doors attics and crawl spaces.
Sealing the top of the house keeps the air you paid to heat and cool inside your home.
Consumers are often told by spray foam contractors to do the rafters.