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paysagement

isolation joint

In French: joint de désolidarisation

Definition

Flexible joint left through the full paver thickness where paving meets a fixed element founded below frost (house foundation, step on piers, garage slab). It lets the paving move with frost without catching on the fixed element.

Also called

  • expansion joint (common usage)

Other names in French

  • joint d'isolation

Sources

  1. Montreal requires an isolation joint through the full paver thickness against any fixed element founded below frost. (s. 7.7.5)

    DTNI-3C, Mise en oeuvre des pavés et des dalles en béton ou en pierre naturelle sur lit de pose granulaire · Ville de Montréal