Dipping CeilingsĬeilings should be made from 5/8-inch drywall sheets. Any irregularity could be a sign that the drywaller was not careful. Dents or scratches in the drywall that were never repaired.Splashes of drywall compound that got spilled and never cleaned up.Scratches where low grit sandpaper wasn’t followed up with high grit sandpaper.Raised drywall compound that didn’t get sanded down enough.You can look out for rough patches, including: Some walls and ceilings are intentionally textured to varying degrees. If you have smooth walls, it could be easy to spot rough spots that weren’t finished well. Wall corners should look uniform for their entire length. You can recognize a bad drywall job by wavy corners, indentations, bubbles, creases or gaps. The tape should be completely concealed by the drywall compound. Like on joints, corners are sealed with drywall tape and compound. The corners should be sharp and straight. Where one wall meets the another or the ceiling meets the walls are places to look for drywall mistakes. Then they fill the small hole with drywall compound and sand it to a smooth finish. They look like a circle on the wall.Ī skilled drywall installer sinks the drywall screws into the sheet about one millimeter. In an older home, it is possible to find nails attaching drywall to the studs.Ī bad drywall job could have visible screw or nail heads popping up or an indent where the installer forgot to cover it with drywall compound. Modern drywallers use Phillips head screws to attach drywall sheets to the wall studs. Any indication that there are multiple drywall sheets is a sign of poor installation. In a good drywall installation, you can’t tell where one sheet ends and the other begins. A hump on the wall from the application of too much drywall compound.An indent between the two sheets of drywall.Bubbles or creases in the drywall tape.The exposed edge of drywall tape from a lack of drywall compound.Drywall tape and compound(mud) seal the joints between sheets of drywall. In a bad drywall job, you will be able to tell where one sheet meets another, called the joints or seams. It takes several sheets to cover your entire wall. The most common drywall sheet is eight feet by four feet.
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