Installation – Cobblestone Tiles
Cobblestone tiles should normally be set in mortar over a reinforced concrete base if subject to vehicular traffic.
Although the intrinsic strength of Archatrak cobblestone 8″ x 8″ and 8″ x 12″ tiles allows them to support vehicular traffic, their relatively small size and 3/4″ thickness can give rise to some instability or movement if laid directly on a sand/gravel base. Hence for driveways, parking areas and other areas subject to light vehicular traffic, cobblestone tiles should normally be laid with mortar over a reinforced concrete base, followed by grouting, as described here.
For patios and other spaces subject to infrequent vehicular traffic, the tiles can also be laid over the interlocking panel system supplied by Ultra Base Systems. The basic installation method is described in outline below.
The basic benefit of the Ultra Base System is that the high psi strength and structural integrity of the Ultra Base Systems interlocking panels requires minimal ground excavation to be undertaken but nevertheless a structurally sound base capable of supporting the weight of vehicles is created. It also enables the pavers to maintain planarity – less likely to become misaligned or uneven in height due to movement in the sub-base.
