RXFoam

If your home has rooms that can't stay warm on very cold  days or if space heater are needed then your home is not well insulated.

Most poorly insulated homes will pay off initial investment in 4-5 years. But in some homes with next to no insulation the saving can be as high as 75% saving annually

1st by using and infrared camera 2nd by opening walls to see the actual interior of the cavities