Crown molding repair

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Crown Molding

Questions and Answers

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Brittany E.  asked

on Crown molding:

A piece of crown molding in my living room has shifted down leaving a gap.  What is the best way to fill in the space?

 

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Hello Brittany,

It may be a wast of effort to fill the space between the crown molding and wall or ceiling if the under-lying problem is left unresolved.  Improperly secured crown molding will likely continue to shift with changes in temperature and humidity, rendering any effort to fill the gap unsuccessful.   If you have a newer home the crown molding was probably installed with a pneumatic finish nail gun.  It is not uncommon for nail guns to misfire or mis-align  a nail, leaving the  molding inadequately secured in that area.  On older homes where the  molding was hand nailed wood shrinkage may have caused a nail to loosen allowing it to shift.

To permanently resolve the problem secure the loose crown molding using a finish nail or nails with a minimum length of 2-1/2 inches. It is acceptable and even advisable to pre-drill the crown molding with a bit slightly smaller than the finish nail.  Angle the drill approximately 55 degrees off the plane of the wall.  Move the  molding back into proper position if possible and drive the finish nail in until it is almost flush with the surface of the crown molding taking care not to mark the surface with the hammer.   Use a nail set to finish driving the nail just below the surface of the  molding.    Once the crown molding is secured use wood putty to fill the nail holes and use a latex caulk to fill the crack. Cut the caulk nozzle at  an angle and force the caulking into the crack without letting it build up on the surface.  Using a damp finger and applying moderate pressure smooth the caulking out while pressing it into the crack.   When the caulk has dried the repaired area can be painted.  DO NOT use silicone on any area that will ever be painted as paint will not stick to silicone.

Good luck,

Tony


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About Tony Wood

Tony is a life time resident of North Carolina with over 30 years experience in multiple facets of the industrial, commercial and residential construction industry. For the past 23 years he has owned and operated Wood's Home Maintenance Service, providing services primarily in Johnston, Wake and Sampson Counties of North Carolina. ______________ ______________________________________________________ The information contained in this Blog is opinion derived, from hands on experience of over 30 years in the construction industry and by extensive research by the author. All postulations are referenced to the geographic location in which this experience was gained.
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