How To Join Laminate Countertop Corners

Check the underside of the miter joints to ensure the mortise joints align as well.

How to join laminate countertop corners.

When connecting two pieces along a run such as in a galley kitchen make the cuts straight across at a 90 degree angle. Sand down any rough edges with a sander or file. Either glue works well. I ve seen where after you stick the laminate to the counter you trim it with a router.

Check that the fronts and backs of each piece align with each other. In most of the videos i ve seen the counters are removed or if they re not removed they simply show how you trim the front edge with a router. However carpenter s glue sets up more quickly. I haven t seen anything that shows how to trim tight spots such as the side edge of the laminate up to the wall.

For joining in a corner the pieces should be cut at a 45 degree angle. Using the straightedge draw a line on the countertop between the l s inside and outside corners. Mark a straight pencil line along this straight edge. Apply yellow carpenter s glue or liquid hide glue to both edges of the mitered joint and reposition the two sections.

Place the two sections of countertop on top of the sawhorses so the laminate side is facing up and the corners are together. Rout a straight edge on one piece of laminate photo 1. They let you position the sheet exactly before gluing it down. Before you join the pieces mark the ends where you need to cut them to length.

When it dries set a sheet on dowels placed on the substrate. Remove the burr with a file so the laminate will glue down completely flat. Mark the miter angle on the back of the laminate countertop. Use an angle square to determine the perfect 45 degree angle.

Measure and cut the laminate countertops to the desired size. This must be done on the back of the countertop because this is the side.