Frequently Asked Questions

Yes. Building codes provide for the use of spray polyurethane insulation in the Foam Plastic section. This section of the code also describes the use of thermal barriers.

Normally, spray polyurethane insulation is installed at the same point in the construction cycle as other types of insulation. That is, it should be installed after the rough plumbing, electrical wiring, and heating and air conditioning ducts have been installed. If you decide to seal the entire exterior shell with spray polyurethane, spray insulation may need to be applied in some areas before the ductwork is installed.

Yes. Building codes provide for the use of spray polyurethane insulation in the Foam Plastic section. This section of the code also describes the use of thermal barriers.It seems like the radiation of heat through the windows would make the attic hot.

Windows in a conditioned attic are similar to windows in your home. They are holes in the insulation. The energy they allow through them will have to be made up from your heating or cooling system. Consider removing them or covering them from the inside in some manner and insulating them.

Realizing the need to consider proper ventilation is a very important first step when you install spray polyurethane foam in your house. Now that you’re installing a wood stove, it is even more critical. Not being a ventilation expert, I would recommend first contacting the stove manufacturer to determine how to provide proper ventilation. They may be able to help to ensure it works properly and doesn’t cause any issues.