Joints and Borders

Pavers are assembled with mortar joints and borders :

• 30mm joints minimum
• 70mm minimum perimeter border to allow minimum 40mm bearing.

Mortar

1. Resistance of at least 300 bars (pressure unit)
2. Composition : 400kg/m3 of CPA 55 Portland Cement (white cement allows a better light transmission), 560 litres of washed sand with a 0 - 3 mm particle size and 740 litres stone particles from 5 - 7mm and 90 litres of water and water repellent additive. Note : HRI Cements should not be used, the same for all retractable types of cement.

Reinforcement Rods

1. Steel Rods : ribbed bars
2. Section : 6, 8 10 or 12mm depending on length and supported weight of the panels
3.  Laying : 1 rod in each row, 2 rods in the borders. Prefabricated panels include small additional rods on upper side. Rods must at no time, come into contact with the pavers.

Calculating opening sizes for panel

1. Allow 30mm for the joints and 70mm for the borders.
2. Allow an additional 10mm all around the panel for expansion joint.
3. The height should equal the thickness of the panel, plus the expansion joint it rests on.