RJ Watson, Inc.

SIZING CHART

Joint Openings @ 20° C (measured perpendicular  to end of slab)	Total Joint Movement (mm)
25	13
32	20
38	26
44	33
51	39
60	45
67	52
76	58
89	64
101	70

Total movement is the longitudinal movement of the substructure from maximum contraction to maximum expansion multiplied by the cosine of the skew angle for skew angles less than or equal to 45° and multiplied by the sine of the skew angle for skew angles greater than 45°.