Gerber joint
An inclined scarf joint with two bolts for hinged splicing of timber beams.
200 × 400 mm / L 400 mm / 2 × Ø22 mm
Geometry proposal · capacity not verified

Timber joints. From detail to partnership.
Technical reference for designers, structural engineers and timber construction specialists. Look at the geometry and design principles, then agree the detail for your project with us.
An inclined scarf joint with two bolts for hinged splicing of timber beams.
200 × 400 mm / L 400 mm / 2 × Ø22 mm
Geometry proposal · capacity not verified
Rounded tenon locating a post below an intermediate or ridge purlin. Centred and offset variants.
160 × 160 mm / 160 × 240 mm / 100 × 60 × 60 mm
Geometry proposal · capacity not verified
Direct timber bearing between an inclined member and a horizontal beam. Angle 30°, notch depth 40 mm.
160 × 240 mm / 30° / tᵥ 40 mm / lᵥ 400 mm
Geometry proposal · capacity not verified
Three variants for 160 × 160 mm members: 200 mm longitudinal lap, 160 mm corner lap and a corner lap on a tenoned post.
160 × 160 mm / L 200 / 160 mm / 80 + 80 mm
Geometry proposal · capacity not verified
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We keep adding detailed joints to the catalogue. All share the same structure, comparable data and documentation in seven languages.