Mechanical Ventilation for Attached Garage Description Guide describing how to install an exhaust fan in an attached garage to pull fumes out of the garage and to depressurize the garage with reference to the home.
Unvented Conditioned Attic with Spray Foam Insulation Below Roof Deck Description Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.