Dower bar cages are used to support dowel bars in expansion and contraction joints of road and floor slab construction. They are manufactured in 1.2 meter lengths to suit any depth.
H= height from base to underside of dowel bar
Contraction Bar Height in mm: 65-90 / 91-115 / 116-140
Expansion Bar Height in mm: 65-80 / 81-115 / 116-155