Title: How To Cut Drywall - This Old House
Headings: How To Cut Drywall
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How To Cut Drywall
Read this DIY guide to learn how to cut drywall.
How to Make Simple Knife Cuts to Drywall
Making Saw Cuts to Drywall
How to Cut Out Drywall for Electrical Boxes
Tools Needed:

Content: Blades are cheap. Once that side is scored, bending the drywall away from the cut breaks the gypsum core. Cut the brown paper on the back of the board at the break to complete the cut. The cut gypsum is usually ragged, but a pass or two with a drywall rasp cleans it up nicely. There’s no point in cutting drywall precisely—cutting it about ¼-inch short makes it easier to fit, and the gaps will be filled with joint compound. For crosscutting, guide the knife with a 4-foot drywall square to ensure accuracy. To cut along the length, snap a chalk line as a guide. Making Saw Cuts to Drywall
There are times you’ll have to use a drywall saw. For example, if you need to cut out for a door, you’ll need to make the two vertical cuts with a saw. Then, connect the ends of those cuts with a regular knife cut and snap the piece out.