Timberguard Wood Protector is an oil-based wood preservative that penetrates wood to form a barrier against insect pests, wood rot, and moisture, preserving its natural beauty and durability for various uses, including exterior timber, fencing, gates, and interior components like joists. It also contains UV filters to protect against sun damage. The product is applied to bare, dry wood by brush, immersion, or spray, with a focus on ensuring deep penetration into joints and ends for complete protection.