mortise and tennon joint oblique mortise and Tennon joint butt joint mitred joint
Answer Discuss in Comment
eaves board valley rafter hip rafter ridge board
there is no horizontal tie beam there is a horizontal tie at the feet of rafters only there is a horizontal tie at almost the middle of rafters only there are two horizontal ties, one at the feet and other at the middle of the
300 to 350 mm 400 to 450 mm 500 to 550 mm 600 to 650 mm
18 19 20 21
2 and 1 3 and 2 2 and 2 2 and 3
90° 180° 270° 360°
75° and 30° 90° and 0° 60° and 10° 40° and 25°
2.5 m 3.5 m 4.5m 5.5 m
two directions without break in the slope on each side two directions with break in the slope on each side four directions without break in the slope on each side four directions with break in the slope on each side
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