Knots from boards
Round patches called knots from boards are manufactured from timber in a direction transverse to the grain. Each spot repair has a chamfer at the bottom for easier entry into the drilled hole. Knots are available in pine, spruce and larch species.
Round patches are manufactured in nominal diameters:
- Φ 15 mm
- Φ 20 mm
- Φ 25 mm
- Φ 30 mm
- Φ 35 mm
- Φ 40 mm
Standard height is 9 mm touch. Other custom height available for example: 6, 14, 21 mm.
To facilitate the fitting diameters are enlarged touch from 0.2 to 0.4 mm - the terminal.