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 ...

The average shiplap ceiling cost per square foot is $2.50 to $7 or about $1,000 for a flat 200-square-foot ceiling. Many factors affect the cost of a shiplap ceiling, including the ceiling size and ...