Approximate calculation of the necessary material. To calculate how many sheets of drywall you need, you must first calculate the surface area of walls and ceilings. Do not subtract the area of doors and windows. In store add 10% to the resulting figure. Divide the total surface area of 32, if you want to work with sheets of drywall size 4×8 inches (40 to 4×10-inch sheets, 48 sheets for 4×12 inches). Round the resulting amount, so that you do not had to buy a half sheet.
In addition to drywall sheets you will need to have a lot of building materials. Namely, the connecting strip, the combined dry mix, screws, nails. As well as tools for of work. All this must be purchased before you start to avoid any interruption in the process of finishing the interior. Safety precautions when working with drywall. Gypsum dust may cause eye irritation and respiratory tract. It is necessary to take care of protecting the eyes and lungs. You must use protective goggles and a mask or respirator, and ensure proper ventilation space repairs.
Carefully study the function of each tool and use these tools only for those operations for which they are specially designed. Dull tools are dangerous and can become a nuisance, if not harm the work. Always use sharp blades. Keep track of your tools, keep them in safe places. Always turn off the electricity in the room if you are working in potentially flammable locations. Be careful when working on trestles, scaffolding and ladders. We should not forget that if you install all of its construction ladder feet shall stand firmly on the ground. Never try to go somewhere to side or up, working on a ladder. Make sure that children do not appear on the site and do not allow them to power tools and construction materials, solvents, etc., that may be hazardous to their health. Keep the work cleanliness and avoid congestion at the construction site debris and waste. How to cut sheets of drywall. Use whole sheets of drywall whenever possible. Cut along the sheet so that the end of the sheet accounted for the support beams, beams, posts or jambs. In order to correctly cut the leaf lengthwise, first set it up so that it stood for an end to edge up to which you plan to put a plaster cover. Measure the desired length by means of roulette. Then use the T-square and mark with a knife on a piece of drywall the place of beginning and end of the section. Spend a special knife incision along the length of the sheet of drywall. Get more background information with materials from Home Depot. Clap on one side of the sheet. Drywall should be broken in exactly the place you have made cuts. It does not rip the paper, covering the core plasterboard underneath. Therefore, in order to completely separate the pieces sheet, draw a knife blade to cut the place to share and back cover. A different technique is used when you need to cut a sheet of drywall in places where there are interior angles. To perform these cuts use a special knife for drywall. Make an incision in a place where you cut the leaf and sharp bend one end back, as described above. After that, you'll need to cut the paper covering core gypsum board on the reverse side. Another way to accomplish the cut for the inside corner – first fix drywall sheet at the place where you do overlap, and then drywall knife to do the right hole.