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.
Image A dormer with an openable window (not shown) can provide access to the roof if flood waters rise too high and too quickly; the dormer should be properly insulated, flashed, and air sealed
Roof Escape Openings for Flood-Prone Areas Description Guide describing options for providing access to the roof via openable skylights, dormer windows, or roof hatches, for occupants of homes in areas prone to severe flooding.
