sheathingflat
Sheathingflat is not a widely standardized term in construction nomenclature, but it is used informally in some product literature and contractor discussions to describe flat-lying exterior sheathing panels installed on a building’s frame. The term highlights the planar, non-profiled nature of the panels, in contrast to curved, ribbed, or shaped panel systems.
Common materials used for sheathingflat include plywood, oriented strand board (OSB), gypsum board, and fiber cement.
Role and installation: Sheathingflat panels are attached to the framing with corrosion-resistant fasteners, spaced according to
Considerations: Proper installation requires dry panels, appropriate flashing at openings and penetrations, and correct detailing to
See also: Exterior sheathing, Plywood, OSB, Gypsum board sheathing, Weather-resistive barrier.