Trimming kitchen cabinets with crown moulding adds an elegant, custom style to the kitchen. Fussing to make angles perfect is rarely a problem because cabinets generally have perfectly square corners. The back of a crown moulding has two flat surfaces that allow it to sit at an angle between a wall and ceiling. Installed on cabinets, the wall flat goes against the cabinet and the ceiling flat is not attached.
- Skill level:
- Moderately Challenging
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Things you need
- Combination square
- 1-by-2-inch popular lumber
- Tape measure
- Mitre saw
- Finish nail gun
- Yellow wood glue
Loosen the adjustment screw on the square and set the 90-degree square edge to 1/4-inch or the amount of crown to cover the upper cabinet face. Place the square edge on the cabinet top with the 1/4-inch ruler end pointing down on the outside face of the cabinet case. Mark the cabinet case every 1 to 2 feet with a pencil. This makes a line of marks 1/4-inch from the cabinet top.
Install 1-by-2-inch popular lumber on the top of the cabinet wherever the crown moulding will be installed. Measure and cut the lumber to length and fasten it to the top of the cabinet about 1/8-inch back from the cabinet face. Nail the lumber to the cabinet top with the finish nailer and 1 1/2-inch finish nails.
Place a piece of crown moulding on the mitre saw table upside down with the wall flat on the back of the moulding against the mitre saw fence and the ceiling flat against the mitre saw table. Set the table to 45 degrees right and cut off the right end of the moulding.
Measure along the top face of the cabinet or series of cabinets from corner to corner. On the crown piece just cut, measure along the bottom wall edge -- the side against the fence -- from the cut end and mark for the cut. Set the mitre saw table to 45 degrees left, align the blade next to the mark to leave the exact length of crown measured and make the cut.
Hold the crown moulding on the cabinet with shortest edge down and against the cabinet face. The bottom ends of the moulding should align perfectly with the corners of the cabinet while the bottom edge aligns with the marks made earlier. Fasten the crown to the popular board using 2-inch finishing nails.
Measure the left and right cabinet sides from back to front. Set the saw table to 0 degrees. Place a piece of crown moulding on the mitre saw table as before and cut off the left and right ends to make them square. Measure and mark from the right end for the left side of the cabinet. Set the saw table to 45 degrees right, align the blade with the mark and make the cut. Measure and mark from the left end for the right side of the cabinet. Set the saw table to 45 degrees left, align the blade with the mark and make the cut.
Hold the pieces against the cabinet and align the cut moulding corners. Fine tune the fit if necessary. Add wood glue to both faces of the cut. Fasten the crown moulding to the popular 1-by-2 with 2-inch finishing nails from the nailer.
Tips and warnings
- These cuts describe outside corners. If you need an inside corner, cut off the same end, but reverse the table so 45 degrees left becomes 45 degrees right.
- Make your cuts just a bit long and fine tune the pieces for a perfect fit. You can always cut off more, but you can't add more length after making a cut.
- Nail guns damage particle board. Drill pilot holes for particle board screws to fasten the popular to the cabinet top.
- Always wear safety glasses while using power tools and nail guns.
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