Sealants are used to seal a surface and prevent the passage of a liquid or a gas.
Dry fit all trays on the table. Make sure all the seams fall into the recess in the table extrusions. Clean all surfaces that will be bonded with Isopropyl alcohol and clean cloths. Before using bond three lap tray sealant adhesive, carefully read and follow all warnings and directions for use. This can be found on the package itself and in the instructions.
Beginning with arch one, install trellis brackets by inserting them into the cavity and tightening via center screws on the handle. Slide the drain tray against one side of the extrusion as shown. Apply tray sealant to the seam and install trellis brackets to help keep trays tight and aligned while drying. Wait for the adhesive to cure.