Topic 8 Products for gardens and landscapes

Possible problems with the base

1. When water is retained in the base, there is a potential risk that the tiles or the paving material may rise and break due to periodic ‘freezing-thawing’ of water.



2. For bases made from Portland cement binder there is danger of carbonate removal and deposition of limestone on the pavement (salting).



3. When the base is unbound (it is made from weaker material), there is danger of sagging and deterioration of the pavement iunder heavier loads.



4. When the base is unbound, there is danger of the appearance of organic material (roots, plants) between the joints of the pavers.



5. Problems caused by the incorrect laying/installation of paving materials considering the planned vehicle traffic: