Animal hide glue (hot glue) in various viscosity. The U.S. Department of Agriculture tested the various grades of hide glue, and considered them all to be capable of producing a joint as strong or stronger than the wood itself.
Sold in bags of 500 gram weight.
| Viscosity | Strength | Working Time | Uses & Recommendations |
| 250g | medium | medium | for medium size surfaces. Good for seams |
| 315g | medium | medium-short | for all around gluing of joints; our most popular |
| 380g | high | short | for repairs of cracks, for best results, size (prime) wood with lower strength glue before gluing |
| 420g | very high | short | for repairs of cracks, size (prime) wood with lower strength glue before gluing |
| 480g | ultra high | very short | can be used very thin and hot, for repairs of cracks, size (prime) wood with lower strength glue before gluing |
