Installing Crown Molding with Crown Corner Blocks

Count the number of inside and outside corners in the room to determine the number of inside and outside corner blocks you will need. There are a few different ways to install your crown corner blocks. 

1.   A.) Brad nails using a 2 inch brad nail gun. Hold your crown corners snuggly into your wall and ceiling corner. Shoot a few brad nails in at an angle into the crown corners 3/4 of an inch from the edge of the wall and ceiling. The crown molding you install should hide any nail holes.  

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      B.) Liquid Nails (panel adhesive). Use the Liquid Nails brand that says panel adhesive on the tube. It is thicker to hold the corner in place with less mess and more stability. Place a bead of liquid nails on the block edge part of the crown corners for instant mounting. A bit of masking tape to hold your corners in will help as you set all corners in the rooms. Read setting instructions on tube for best results.

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      C.) Pre-drill and screw. Pre-drill holes in the corner blocks for screw mounting. Drill the holes in at an angle into the crown corners 3/4 of an inch from the edge of the wall and ceiling. Use 2 inch or longer screws to mount the crown corners in place. The crown molding you install should hide any screw heads.

2.      Measure the distance between the first two corner blocks (flat part). Cut a piece of molding flat for this measurement.

3.      Place the cut length of molding between the corner blocks. Shoot a nail into the crown at each wall stud . (TIP: use a stud finder and mark the wall with a small piece masking tape for each stud just below where your crown will set on the wall) To avoid denting the molding, use a nail set to finish driving the nails home. You may need someone to help hold long pieces while you nail. Continue this process until all the molding is up. Use white spackle, latex caulk, wood putty or a filler stick to cover any noticeable holes. If needed, apply a bead of caulk where the molding meets the ceiling or walls to close any gaps.