Interlock Installation Contractor in Oakville

Interlock That Stays Flat on Halton Clay

Nearly every Oakville lot sits on heavy Halton clay, and clay is the reason so much interlock in town heaves, sinks and spreads after a few winters. Clay holds water, water freezes and lifts the stones, and a shallow base cannot fight that. We excavate deeper than the usual spec, lay and compact granular in lifts, add geotextile where the subgrade is soft, and set a grade that carries water away from the foundation rather than along it. Polymeric sand in the joints keeps weeds and ants out.

The projects differ by neighbourhood. In Old Oakville, Morrison and Eastlake we build long walkways, front courtyards and driveway aprons on deep lots full of mature trees; Oakville's private tree by-law may require a permit and protection fencing, and we check before quoting so roots are not cut by the excavator. In Joshua Creek and Iroquois Ridge the typical job is a pool-surround patio or a backyard entertaining area tied into existing grading. In Palermo and The Preserve the ground is graded fill under young sod, which settles unevenly, so we compact the subgrade before the base goes in. Driveway widening and curb-side changes can involve the Town, and we flag that at the quote stage.

• Base depth and compaction set for Halton clay, not a generic spec
• Tree permit and protection fencing checked before we quote
• Grading planned to move water away from the house