Crown Molding Separating From Ceiling

It s probably the paint and the solution is the caulk.

Crown molding separating from ceiling. Gaps and cracks develop making the crown molding separate from the wall. You can try caulking the cracks but if there s movement it s goin. Second you don t state your location or climate.

It is most noticeable in the center of the truss. Crown is especially helpful when you are remodeling early 20th century and 19th century homes as it fits in with styles from those periods. First a wise painter will never paint in or try to seal crown molding to the ceiling if it is affixed to the wall.

It s actually i guess the caulk or the paint between the ceiling and crown moulding. Separation from temperature changes. Nail it to the ceiling joists or blocking in lieu of joists.

The thing to do it to rip the corners off a 2x4 or whatever you have laying around and fasten those to the corners using screws behind where the crown will be installed. You will notice them more in the winter. Assuming that the material came from the same run of lumber and the moisture content was acceptable at the time of delivery it seems that there are numerous supporting arguments that shrinkage is not the cause.

On a run of crown two joints might be fine and the third is spread apart. Crown molding gaps at ceilings can be eliminated if you attach the crown molding this way. This makes it so there s no need to find framing members.

Do this in winter when the distention is at a maximum to avoid seeing telltale lines. No nails should enter the wall studs or top plate. Note the blue triangular block that is custom cut to fill the void behind the crown molding.