Crete-joint is a 2 - piece control joint former , it is inserted into the concrete when it is still wet , preferably after screeding , a straight vertical line of weakness is formed , the top piece of the strip is removed leaving the vertical part in the concrete to form a weakness in the surface of the slab to the ground.
Crete-joint comes in 3.05 meter lengths and is available in 3 sizes, 25mm , 38mm & 50mm
