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Here s another great tip from BobVila.com. Although the two words are often used interchangeably, sheetrock is actually a brand name for drywall, which is gypsum sandwiched between two sheets of paper or, more recently, between two sheets of fiberglass. Any way you say it, drywall makes finishing walls very practical. For large jobs or those with very high ceilings, hire a pro. But most smaller jobs can be tackled by do-it-yourselfers. Before you get started, run the side of a hammer head along the framing to check for uneven surfaces or any protruding staples or nails. The tools you ll need are a straightedge and measuring tape for sizing your pieces, a utility knife for scoring and snapping, and a keyhole saw or rotary tool for cutting holes for outlets and windows. While some pros still attach drywall with nails, most find it easier to use an electric drill and that wonderful multi-purpose fastener, the drywall screw. You ll need about a pound of nails or screws for every 5 sheets of drywall. Metal corner beads go on all outside corners; inside corners get taped along with the joints between panels. Using pre-mixed joint compound is easier and less messy than mixing your own. You want a mix that s not too quick-drying if you re a beginner so you have a grace period to work in. Pros use about 5 gallons of compound for every 100 square feet, but you may need more depending on your level of experience. Installing drywall involves a series of short steps over a 3- to 4-day period. Follow the steps on BobVila.com for taping and finishing joints, and be sure to wear safety gear and a dust mask while sanding. If you re doing a ceiling, get a helper or a drywall lift. Find out more at BobVila.com: the ultimate home improvement web site! 2008 BobVila.com

Here s another great tip from BobVila.com. Drywall has been the wall finishing material of choice for most of a century because it s so easy to install and finish. Another of its virtues is that when it s damaged, it s easy to repair. For scratches or small dents, a quick swipe of joint compound with a 3- or 4-inch putty knife and a bit of sanding before priming and painting will do fine. For small holes up to 3 inches, self-adhesive plastic mesh tape and then a coat or two of patching compound will work. For medium-sized holes between 4 and 6 inches, try a drywall bandage. Check to make sure there s no electrical wiring in the area first, then use a keyhole saw to cut the hole into a neat square or rectangle. Transfer that shape onto a piece of new drywall, add 2-inch margins and cut out the larger patch piece. Trim off the back and gypsum in the 2-inch margin but leave the face paper uncut. Spread patching compound around the outside edges of the hole and press the bandage into it, feathering the edges. Let it dry. Then sand and re-coat with compound. Finally, sand again, prime and paint. For really big holes, you can use the tie and twist bracing method. Cut a piece of drywall or a length of 2x4 a few inches larger than the hole. Drill two small holes in the center and loop a 2-foot string through it like a button. Tie the ends around the middle of a stick. Apply adhesive to the back edges of the hole inside the wall. Adhere the patch piece and twist the stick from your side of the wall until it holds tight. Then, fill the remaining space with drywall patch pieces and mesh tape. Finish with compound as usual, cutting the string and pulling it out just before it dries. For super-large holes bigger than a foot wide, cut the drywall back to the two nearest studs and expose them halfway. Cut a new panel of drywall to fit and attach it as you normally would with drywall screws, joint compound and tape. Find out more at BobVila.com: the ultimate home improvement web site! 2008 BobVila.com

Bob interviews Larry Lelflar from Bonita Drywall as they hang drywall on a ceiling, then apply the first coat of tape and compound.

Barry Driscoll from Driscoll Electric is installing some new Lightolier recessed fixtures specially designed for use in remodels. These are low voltage fixtures with the new evolution trim, Lightolier's new recessed style light. It has a transformer inside it and is fed with regular fourteen two cable. The light gets wired with regular 110 and the step down transformer steps it down to 12 volts, 50 watts. As Bob is trying to preserve the original horsehair and plaster ceiling, Barry carefully makes a 5" hole for the housing of the fixture with a hole saw. Next he uses a Rotozip to cut through the old lath. Then he moves some of the existing insulation at least 3 inches away from any part of the light that will be recessed into the ceiling. After connecting the wires, Barry puts the housing into the ceiling, pulls a strap down through the housing, pushes the housing into place and folds the strap back up. To further secure the housing he lifts the two sets of clips to the top of the drywall where the wood lath is and push them straight in and tightens the set screw inside the housing to secure the trim.