What are the best joinery techniques for load-bearing teak outdoor sculptures?

When crafting load-bearing teak outdoor sculptures, selecting the right joinery techniques is crucial for durability and structural integrity. Teak, known for its natural resistance to weathering, still requires robust joints to withstand outdoor conditions. Here are the best techniques:

1. Mortise and Tenon Joints – A classic choice for strength, this interlocking joint is ideal for connecting beams and frames in teak sculptures.

2. Dovetail Joints – Perfect for angled connections, dovetails provide excellent tensile strength and aesthetic appeal.

3. Half-Lap Joints – Simple yet effective, these joints distribute weight evenly, making them suitable for larger sculptures.

4. Biscuit Joints – Reinforced with wooden biscuits and glue, they add stability without visible hardware.

5. Through-Wedged Tenons – Adds extra security by wedging the tenon, preventing loosening over time.

For outdoor use, always seal joints with waterproof glue and consider stainless steel or brass fasteners for added durability. Properly executed joinery ensures your teak sculpture remains sturdy and beautiful for years.