- 1). Mark the logs to create an angled lap joint. Place a 12-inch speed square on both logs and mark off a 45-degree angle. Mark from the outside of one log and inside of the other. Marking from the same side on each log will not create a lap joint. However, if you do accidentally mark from the outside of both logs, then just roll one until the mark is on the inside.
- 2). Cut the angle in both logs with a chainsaw. Wear safety glasses, safety pants and a dust mask before proceeding. Place each log on a raised section of 2-by-4s, raising the log 12 inches off of the ground. Have a helper hold the log in place while you cut it.
- 3). Apply silicone caulk to both logs prior to attachment. Use a caulk gun to place 1/2-inch caulk beads onto the end of each log. The caulk will help seal off the log joint and bond the logs together.
- 4). Lay the logs in place, and lap each of them at the 45-degree angles. Place the laps on the top and bottom of the logs rather than to the outsides. This will help hide the lap joints and attachment screws. Insert two 6-inch log screws through the top of the logs and two through the bottom of the logs, connecting the lap joints.
- 5). Attach the logs in place and proceed to the next row of logs. When splicing the next row of logs, do not splice the logs at the same point as the previous row. Stagger the log splices so that no splice aligns with the previous log splice.
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