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Fasteners
Figure  5-5.Single-layer  application  of  drywall.

Builder 3&2 Volume 02 - Construction manual for building structures
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Figure  5-4.—Corner  and  casing  beads. Because  adhesives  are  matched  with  specific  materials, be sure to select the correct adhesive for the job. Read and follow the manufacturer’s directions. Accessories A number of metal accessories have been developed to finish off or protect drywall. corner beads (fig. 5-4) are used on all exposed comers to ensure a clean finish and to protect the drywall from edge damage. corner bead is nailed or screwed every 5 inches through the drywall and into the framing members. Be sure the corner bead stays plumb as you fasten it in place. Casing beads (fig. 5-4), also called stop beads, are used where drywall  sheets  abut  at  wall  intersections,  wall  and exposed  ceiling  intersections,  or  where  otherwise specified. Casing beads are matched to the thickness of the  drywall  used. Layout When laying out a drywall job, keep in mind that each joint will require taping and sanding. You therefore should  arrange  the  sheets  so  that  there  will  be  a minimum  of  joint  work.  Choose  drywall  boards  of  the maximum  practical  length. Drywall can be hung with its length either parallel or  perpendicular  to  joists  or  studs.  Although  both arrangements work sheets running perpendicular afford better attachment. In double-ply installation, run base sheets  parallel  and  top  sheets  perpendicular.  For  walls, the height of the ceiling is an important factor. When 5-5







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