Roofs, Attics & Ceilings -

Air Sealing/Insulation

Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.

Guide describing approaches to burying and encapsulating ducts in unconditioned attics to increase the overall R-value of duct insulation.

Guide describing steps to take to minimize indoor humidity in preparation for cold winter weather.

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.