Even a smile will seem spooky reflected in a haunting Halloween mirror. Make one with this ghostly, curved shape in a weekend using simple skills and materials.
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Have a Lowe's associate cut a 4-ft x 8-ft sheet of hardboard into two 4-ft square pieces and save one of those for future projects. On the other square, mark centered lines vertically and horizontally. Have a copy shop print the mirror pattern download on 11-in x 17-in paper, cut out and tape together the printout sections, and cut out the design. Tape the pattern on the hardboard and trace the design. Save the pattern to use later for positioning the reinforcement strips on the back and the mirror backer frame on the front.
Fit a jigsaw with a fine-tooth blade and cut out the design. Sand the edges smooth with 120-grit sandpaper.
Apply a coat of primer to the hardboard cutout, let dry, and lightly sand any rough edges. Then apply two coats of paint. We used Valspar Signature in Vivid Orange (#2011-3).
From a 3/4-in x 1-1/2-in board, cut one 42-in-long piece, two 18-in-long pieces, and two 11-in-long pieces. From a 3/4-in x 3-1/2-in board, cut two 24-in-long pieces.
Mark the locations of the 3/4-in x 1-1/2-in x 42-in board and two 3/4-in x 3-1/2-in x24-in boards on the back of the painted cutout. Apply construction adhesive to the back of a reinforcement board and clamp it in position. Apply weight to the center of the board until the adhesive cures. Repeat for the other two reinforcement boards.
Make sure the tops of the two shorter reinforcement boards are even with each other. If not, the mirror will hang crooked when you attach the D-ring hanging hardware.
Turn the mirror right side up and center the mirror support frame pieces on the face. (You can measure or use the printed pattern.) Apply mirror mastic to the frame parts, press them in place on the hardboard, and add weights to hold the frame in place. After the adhesive cures, you can drive 3/4-in reinforcing screws into the frame pieces from the back.
Apply a wavy bead of mirror mastic to the mirror support frame. (Avoid using general-purpose construction adhesive on the back of a mirror. Mirror adhesive won't weaken or dissolve the reflective coating on the back.)
Press the mirror onto the support frame, leaving a 3-in overhang on each side. Apply weight near the corners of the mirror until the adhesive cures. (Avoid anything heavy enough to crack the glass.)
On the back of the mirror, drill pilot holes and screw D-ring hangers with the tips of the loops 2-in from the top ends of the short support frame boards. Add nails or hangers to your wall where you'll install the mirror, and hang it in place.