Project Guide

How to Build a Concrete Tray

1
MEASURE AND MARK CUTS
step 1

Using the measuring tape, measure and mark the cuts as listed below.


On the 1- x 3-inch x 8-foot common board:

  • Two 14-inch sections
  • Two 9 ½-inch sections


On the 2- x 2-foot plywood: 

  • One 15 ½- x 9 ½-inch section
2
MAKE CUTS
step 2
  • Make the marked cuts on the common board and plywood using a circular saw.
  • Use a sanding sponge to smooth any rough edges.
3
BUILD THE MOLD
step 3
  • Set the two 14-inch sections vertically on the table.
  • Place the two 9 ½-inch sections vertically at the top and bottom of each of the 14-inch sections to form a rectangle.
  • Pre-drill holes using the 1/8-inch drill bit and secure frame with screws.
  • Place plywood on top of frame and attach with screws.
4
PREPARE HANDLES
step 4

Prepare handles for insertion into cement by attaching the smallest supplied screw into each and securing tightly.

5
MIX AND POUR CEMENT
step 5
  • Mix 80 ounces of cement with 20 ounces of water in mixing the pail and stir well until completely mixed.
  • Pour the cement into your mold and distribute evenly using a trowel.
  • Insert handles. Make sure they are centered and that the screws are entirely covered by cement.
  • Allow cement to set for an hour or more.
6
REMOVE MOLD
step 6
  • Once set, flip the frame over and remove the screws in the plywood.
  • Remove the plywood by prying apart from cement.
  • Flip over again and remove the screws from wood frame.
  • Remove the frame by prying apart or tapping with hammer.
  • Attach vinyl bumpers to corners of bottom of tray.