Can You Spray Foam Attic Ceiling

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 ll also see another safety hazard and code violation. The installer sprayed foam directly on the metal flues.

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When we seal the attic with spray foam it s as tight as a butter tub.

Can you spray foam attic ceiling.

You should never do this. Insulate your attic floor unless you intend to use the attic for living space. However in a traditionally insulated attic insulation on the ceiling the attic is vented. Consumers are often told by spray foam contractors to do the rafters.

If you re using the attic for living space then you need to insulate the rafters. Spray foam insulation is an insulating air barrier material that works by sealing the walls floors and ceiling cavities from airflow. Sealing the top of the house keeps the air you paid to heat and cool inside your home. Here s the answer to the question posed in my article title.

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. If you re not do the attic floor. It s quick and easy to do. Using spray foam insulation in an attic is a popular energy saving project.

This foam can be placed around light fixtures electrical outlets windows and doors attics and crawl spaces. That s how you can save up to 40 on your energy bills. Thus the air in the attic is connected with the air in the house. Yes using spray foam we have added your attic to the conditioned space.

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. If you look closely you ll see two exhaust flues on the left side. It s important you spray foam attic rafters only if you need to. And the benefits range from much lower utility bills to fewer pests to reduced sound transfer.

But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor.

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