
Guides and resources
Everything we tell customers on the site visit, written down
Costs, permits, drainage, clay soil and how to spot a wall that is about to fail. Written by the crew that builds them.
Design
Building a Retaining Wall on Clay SoilHow heavy clay soil around London changes retaining wall base, drainage and material decisions, and what happens when a wall is built without those adjustments.
8 min read
Do Retaining Walls Add Property ValueHow a properly built retaining wall affects Ontario resale value, usable yard space and buyer confidence, and how a failing wall shows up in an inspection.
8 min read
How Retaining Wall Drainage Actually WorksA breakdown of the drainage stone, weeping tile and filter fabric behind every wall we build, and why skipping any layer shortens a wall's life.
9 min read
Permits
Do You Need a Permit for a Retaining Wall in OntarioWhen Ontario retaining walls require a building permit and engineering, how the 1 metre threshold is measured, and how the permit process runs.
8 min read
Retaining Wall Height Limits and When Engineering Kicks InHow Ontario retaining wall design, permits and engineering requirements scale with height, and how tiered walls change the calculation.
8 min read
Maintenance
How Long Do Retaining Walls Last, By MaterialLifespan ranges for concrete, block and timber retaining walls, plus the drainage and base factors that make or break those numbers.
8 min read
How to Stain a Wooden Retaining Wall the Right WayHow to clean, dry, choose stain for and apply protective coating to a wood retaining wall, plus how often Ontario weather requires re-staining.
9 min read
Retaining Wall Maintenance: A Seasonal ChecklistA twice-yearly retaining wall maintenance checklist covering drainage outlets, movement, vegetation and when a problem needs a professional.
8 min read
Materials
How to Choose the Right Retaining Wall MaterialA practical walkthrough of block, concrete, timber and natural stone retaining walls, matched to height, soil and budget for Ontario properties.
9 min read
Timber vs Block Retaining Walls: Which Fits Your YardA side by side comparison of timber and interlocking block retaining walls on upfront cost, lifespan, maintenance, appearance and height limits.
8 min read
Cost
Retaining Wall Cost in Ontario: 2026 Pricing GuideCurrent 2026 Ontario retaining wall prices per linear foot by material, plus the height, access, drainage and permit factors that move the number.
8 min read
Repair
Signs Your Retaining Wall Is FailingHow to read the warning signs of a failing retaining wall, from cosmetic cracking to urgent bowing, and what each one means for your timeline.
8 min read
Free site visit and written quote
Still have a question the guides did not answer?
Call or send a photo of the wall. Kyle will tell you what he sees, free, before you decide anything.
