Fasten wood backing wherever drywall ends have no support within four inches. Note: Make sure to check corners and ceiling/wall joints. Measure from the end of the ceiling to the middle of a joist and ...

Add Yahoo as a preferred source to see more of our stories on Google. Prefabricated three-way drywall corners are a Canadian invention that makes a tricky part of drywall finishing much easier.

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. Drywalling is one of those ...