A drywall patch can be commonly done with a patch kit; a "California" patch; or a patch with a support board. I test all three methods.
Soundproof Music Room : r/DIY
Fix-It Chick: Pick Out The Right Spackle For The Job News,, 56% OFF
12X12 CALIFORNIA DRYWALL REPAIR PATCH
Fix-It Chick: Pick Out The Right Spackle For The Job News,, 56% OFF
Patching Drywall: 10 Tips & Techniques For Repairs
Lafayette Parish Business Database 211, PDF
Drywall Works – K.U.S Electrical & Finishing Solutions
Fix-It Chick: Pick Out The Right Spackle For The Job News,, 56% OFF
How to Patch and Repair Drywall
Building a Custom Media Wall - granworks
Help with drywall repair - cracks around window frame and sill
Repairing Drywall: How to Get Professional-Looking Results - Bob Vila
Projects - Page 2 of 5 - granworks