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Interlock installation

Things to know about interlock installation


  • What is the correct depth to excavate for a interlock project?
    This is a tricky question to answer because there are a few key factors that contribute to what the correct depth of excavation should be.

  • Soil Type: For example, if the project is to be installed onto a sandy soil area then we wouldn't have to excavate to the same depth as we would a similar project installed onto a clay foundation (Clay requires a deeper excavation because it retains water which contributes to the base heaving up during winter cycles; whereas sand filters the moisture away more efficiently).


    Repairs

    interlock Repair

    Problem: The most common type of repair with interlock projects is known as a "lift and relay." This repair is required when the initial installation of the interlock stone has been installed onto an insufficient base therefore causing the stone to sink in places.

    Solution: The method of repair is to lift the area of sunken interlock, add more base material and then compact the area. A thin levelling layer of screening or sand is then added. At this point, the interlock stone is ready to be reinstalled. Once reinstalled the area is compacted to level and polymeric sand is swept into the stone joints to prevent weeds and insects. The area is lightly hosed to harden the sand.

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Testimonials


"We are very pleased with the patio that Highbury Stone laid down for us. The quality of their work is outstanding. I highly recommend them."

by Geoff Grayson



"Hi Dave, Our interlocking/steeps are sinking and we would like to relay them. We also need to replace our grass in the front and back. Regards, Yvonne"

by Yvonne Grillo





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