The Real Cost of Skipping Base Preparation in Calgary
Base Preparation Is Not Optional in Calgary
Alberta’s freeze-thaw climate demands:
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Proper excavation depth
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Compacted road crush
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Drainage control
Skipping this step guarantees failure.
What Happens Without Proper Base?
1. Sinking Patios
Uneven settlement after 1–2 winters.
2. Heaving Driveways
Moisture expansion shifts pavers.
3. Retaining Wall Movement
Improper drainage leads to wall failure.
Cost Comparison
Doing it right first time:
$10,000–$25,000 patio (depending on size/material)
Rebuild after failure:
Demolition + disposal + rebuild
$15,000–$40,000+
Minimum Base Depth Guidelines (Calgary)
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Patio: 8–12 inches compacted
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Driveway: 12–18 inches compacted
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Retaining wall base: 12+ inches
FAQs
Can I add base later if patio sinks?
Not without removing the pavers.
Is base prep more important than paver brand?
Yes. Installation quality matters more than brand name.