gypsum sheathing

gypsum sheathing

A wallboard having a gypsum water-repellent core; surfaced with a water-repellent paper; usually 2 or 4 ft (61 or 122 cm) wide, 8 ft (243.8 cm) long, and ½ in. (1.27 cm) thick; used as a base for exterior wall coverings.
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6 acre site, gypsum sheathing, water proofing and metal roofing, windows, painting, earthwork, concrete paving, storm water, railing, utility improvements for sanitary sewer, water, electrical.
The walls of the buildings in the seven examples were constructed with gypsum wallboard, an interior vapor retarder, fiberglass batt insulation, OSB or plywood sheathing, gypsum sheathing for fire protection in most cases, housewrap or building paper WRB, and contact-applied vinyl siding.
Among the topics are energy and moisture impact of EIFS walls in the US, exterior continuous insulation and the positive impact on building envelope performance--achieving new energy code wall insulation metrics, energy saving from an EIFS retrofit of a single-family dwelling, using glass mat gypsum sheathing as a substrate for EIFS, and the applicability of fluid-applied air and water-resistive barriers in EIFS for use in other cladding systems.
Sheet-Applied (Exterior Air Barrier)--The surface of the exterior gypsum sheathing is wrapped with a sheet-applied membrane (e.
The building facade was constructed of Portland cement plaster (stucco) veneer over metal lath applied to concrete masonry units (CMU) or exterior gypsum sheathing over steel studs.
In addition, the rubberized asphalt adhesive provides a waterproof membrane that sticks to most clean, dry, smooth surfaces, including prepared concrete and concrete masonry, plywood and OSB sheathings, DensGlass Gold, gypsum sheathing, cement board, asphalt saturated felt and most housewraps.
In addition to Dens-Shield tile backer, G-P Gypsum also manufactures Dens-Glass Gold[R] gypsum sheathing, another member of the company's innovative family of Dens-Products, and ToughRock[TM] brand gypsum board.
Shaded areas in the figures included in Figure 1 represent the sheathing panels (OSB or plywood on one side and gypsum sheathing on the other side).
In many instances of damage, both the EIFS and gypsum sheathing had been blown off, leaving only the metal studs.
Typically two-hour rated exterior walls use one or two layers of exterior gypsum sheathing on the exterior side of the framing, often in combination with a layer of wood structural panels.
please note that this may require removal of gypsum sheathing and replacement with wood.
The permeance of the gypsum sheathing is too great: 30 perms to 50 perms.